./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/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_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:20:41,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:20:41,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:20:41,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:20:41,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:20:41,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:20:41,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:20:41,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:20:41,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:20:41,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:20:41,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:20:41,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:20:41,402 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:20:41,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:20:41,403 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:20:41,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:20:41,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:20:41,404 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:20:41,405 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:20:41,405 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_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f [2024-12-05 08:20:41,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:20:41,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:20:41,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:20:41,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:20:41,656 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:20:41,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-12-05 08:20:44,245 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/data/b762ba133/c82f02d9f1b8445ca0aed8d59fb4b414/FLAGebc82dd44 [2024-12-05 08:20:44,537 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:20:44,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-12-05 08:20:44,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/data/b762ba133/c82f02d9f1b8445ca0aed8d59fb4b414/FLAGebc82dd44 [2024-12-05 08:20:44,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/data/b762ba133/c82f02d9f1b8445ca0aed8d59fb4b414 [2024-12-05 08:20:44,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:20:44,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:20:44,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:20:44,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:20:44,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:20:44,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:20:44" (1/1) ... [2024-12-05 08:20:44,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8e0a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:44, skipping insertion in model container [2024-12-05 08:20:44,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:20:44" (1/1) ... [2024-12-05 08:20:44,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:20:45,221 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_6761f8c9-c02a-4f7b-982a-773d704fe6d1/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-12-05 08:20:45,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:20:45,282 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:20:45,322 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_6761f8c9-c02a-4f7b-982a-773d704fe6d1/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-12-05 08:20:45,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:20:45,385 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:20:45,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45 WrapperNode [2024-12-05 08:20:45,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:20:45,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:20:45,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:20:45,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:20:45,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,426 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 318 [2024-12-05 08:20:45,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:20:45,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:20:45,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:20:45,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:20:45,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:20:45,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:20:45,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:20:45,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:20:45,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (1/1) ... [2024-12-05 08:20:45,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:20:45,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:45,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:20:45,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:20:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-05 08:20:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-05 08:20:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:20:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:20:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:20:45,522 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:20:45,647 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:20:45,649 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:20:46,061 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:20:46,061 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:20:46,511 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:20:46,511 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-05 08:20:46,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:20:46 BoogieIcfgContainer [2024-12-05 08:20:46,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:20:46,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:20:46,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:20:46,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:20:46,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:20:44" (1/3) ... [2024-12-05 08:20:46,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166ef09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:20:46, skipping insertion in model container [2024-12-05 08:20:46,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:20:45" (2/3) ... [2024-12-05 08:20:46,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166ef09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:20:46, skipping insertion in model container [2024-12-05 08:20:46,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:20:46" (3/3) ... [2024-12-05 08:20:46,521 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2024-12-05 08:20:46,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:20:46,536 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. [2024-12-05 08:20:46,536 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:20:46,584 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-05 08:20:46,635 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:20:46,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:20:46,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:46,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:20:46,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:20:46,722 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:20:46,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-12-05 08:20:46,746 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;@2f25d002, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:20:46,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-05 08:20:47,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:47,018 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:47,019 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #1 [2024-12-05 08:20:47,019 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:20:47,019 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:47,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:47,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1568876922, now seen corresponding path program 1 times [2024-12-05 08:20:47,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:47,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129949871] [2024-12-05 08:20:47,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:47,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:20:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:20:47,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:47,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129949871] [2024-12-05 08:20:47,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129949871] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:20:47,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:20:47,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:20:47,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833024470] [2024-12-05 08:20:47,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:20:47,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:20:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:47,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:20:47,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:20:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:47,340 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:47,341 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) [2024-12-05 08:20:47,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:47,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:47,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:20:47,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:47,410 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:47,410 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #2 [2024-12-05 08:20:47,410 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:47,410 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 08:20:47,411 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:47,411 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:20:47,411 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:47,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:47,411 INFO L85 PathProgramCache]: Analyzing trace with hash 934032029, now seen corresponding path program 1 times [2024-12-05 08:20:47,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:47,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624336573] [2024-12-05 08:20:47,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:47,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:20:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:20:47,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624336573] [2024-12-05 08:20:47,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624336573] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:20:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907772315] [2024-12-05 08:20:47,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:47,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:20:47,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:20:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:20:47,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 08:20:47,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:20:47,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:20:47,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907772315] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:47,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:47,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-05 08:20:47,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495969375] [2024-12-05 08:20:47,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:47,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-05 08:20:47,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:47,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-05 08:20:47,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-05 08:20:47,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:47,706 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:47,706 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) [2024-12-05 08:20:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:47,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:47,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:47,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:20:48,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:48,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:48,009 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:48,010 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #3 [2024-12-05 08:20:48,010 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:48,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:20:48,010 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:48,010 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:20:48,010 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:48,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:48,011 INFO L85 PathProgramCache]: Analyzing trace with hash 561947718, now seen corresponding path program 2 times [2024-12-05 08:20:48,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:48,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261721735] [2024-12-05 08:20:48,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:20:48,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:48,056 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:20:48,056 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 08:20:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:48,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261721735] [2024-12-05 08:20:48,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261721735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:20:48,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:20:48,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-05 08:20:48,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252017132] [2024-12-05 08:20:48,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:20:48,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:20:48,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:48,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:20:48,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-05 08:20:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:48,536 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:48,537 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) [2024-12-05 08:20:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:48,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 08:20:48,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:48,761 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:48,761 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #1 [2024-12-05 08:20:48,761 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:20:48,761 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:48,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:48,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1906437794, now seen corresponding path program 1 times [2024-12-05 08:20:48,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:48,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766685056] [2024-12-05 08:20:48,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:48,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:20:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:20:48,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:48,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766685056] [2024-12-05 08:20:48,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766685056] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:20:48,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429638921] [2024-12-05 08:20:48,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:48,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:48,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:48,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:20:48,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:20:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:20:49,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 08:20:49,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:20:49,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:20:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429638921] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:49,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:49,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-12-05 08:20:49,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544412317] [2024-12-05 08:20:49,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:49,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-05 08:20:49,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:49,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-05 08:20:49,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-05 08:20:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:49,146 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:49,146 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) [2024-12-05 08:20:49,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:49,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:49,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:49,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:20:49,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:20:49,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:49,415 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:49,415 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:49,415 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #2 [2024-12-05 08:20:49,415 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:49,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:20:49,416 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:49,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:20:49,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:49,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:20:49,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:49,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:20:49,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:49,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:20:49,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:49,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:20:49,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:49,416 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:20:49,416 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:49,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1360859326, now seen corresponding path program 2 times [2024-12-05 08:20:49,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:49,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595586837] [2024-12-05 08:20:49,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:20:49,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:49,481 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:20:49,481 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:20:50,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:50,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595586837] [2024-12-05 08:20:50,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595586837] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:20:50,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181577001] [2024-12-05 08:20:50,261 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:20:50,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:50,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:20:50,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:20:50,405 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:20:50,405 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:50,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 08:20:50,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:50,558 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:20:50,559 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 [2024-12-05 08:20:50,594 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 [2024-12-05 08:20:50,769 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 [2024-12-05 08:20:50,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:20:50,885 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 [2024-12-05 08:20:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:20:50,952 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 [2024-12-05 08:20:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:20:51,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:51,309 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 [2024-12-05 08:20:51,435 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 [2024-12-05 08:20:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:20:51,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181577001] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:51,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:51,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-12-05 08:20:51,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198151325] [2024-12-05 08:20:51,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:51,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-05 08:20:51,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:51,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-05 08:20:51,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=533, Unknown=16, NotChecked=98, Total=756 [2024-12-05 08:20:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:51,563 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:51,564 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) [2024-12-05 08:20:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:20:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:51,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:51,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:51,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:51,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:20:51,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:51,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:20:52,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:52,156 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:52,156 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:52,156 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #3 [2024-12-05 08:20:52,156 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:52,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:20:52,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:52,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:20:52,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:20:52,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:20:52,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:20:52,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,157 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:20:52,157 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:52,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:52,158 INFO L85 PathProgramCache]: Analyzing trace with hash 42918814, now seen corresponding path program 3 times [2024-12-05 08:20:52,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:52,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831826919] [2024-12-05 08:20:52,158 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:20:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:52,220 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 08:20:52,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:20:53,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:53,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831826919] [2024-12-05 08:20:53,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831826919] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:20:53,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264600542] [2024-12-05 08:20:53,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:20:53,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:53,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:53,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:20:53,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:20:53,737 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 08:20:53,738 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:53,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 08:20:53,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:53,851 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:20:53,852 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 [2024-12-05 08:20:53,891 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 [2024-12-05 08:20:54,026 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 [2024-12-05 08:20:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:20:54,126 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 [2024-12-05 08:20:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:20:54,184 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 [2024-12-05 08:20:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:20:54,376 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 [2024-12-05 08:20:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:20:54,429 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 [2024-12-05 08:20:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:20:54,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:58,024 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:20:58,030 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:20:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:20:58,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264600542] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:58,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:58,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2024-12-05 08:20:58,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293697900] [2024-12-05 08:20:58,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:58,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-05 08:20:58,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:58,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-05 08:20:58,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1036, Unknown=20, NotChecked=134, Total=1332 [2024-12-05 08:20:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:58,150 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:58,150 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) [2024-12-05 08:20:58,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:58,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:58,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:58,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:20:58,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:58,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:20:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:20:58,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:20:59,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-05 08:20:59,162 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:20:59,162 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:59,162 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #4 [2024-12-05 08:20:59,162 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:59,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:20:59,162 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:59,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:20:59,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:20:59,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:20:59,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:20:59,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:20:59,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:20:59,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:20:59,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:20:59,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:59,164 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:20:59,164 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:59,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:59,165 INFO L85 PathProgramCache]: Analyzing trace with hash 598807034, now seen corresponding path program 4 times [2024-12-05 08:20:59,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:59,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913968019] [2024-12-05 08:20:59,165 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:20:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:59,246 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:20:59,246 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913968019] [2024-12-05 08:21:01,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913968019] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180057479] [2024-12-05 08:21:01,229 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:21:01,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:01,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:01,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:01,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:21:01,860 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:21:01,860 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:01,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-05 08:21:01,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:01,979 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:21:01,980 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 [2024-12-05 08:21:02,009 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 [2024-12-05 08:21:02,158 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 [2024-12-05 08:21:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:02,270 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 [2024-12-05 08:21:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:02,328 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 [2024-12-05 08:21:02,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:02,544 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 [2024-12-05 08:21:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:02,600 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 [2024-12-05 08:21:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:02,784 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 [2024-12-05 08:21:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:02,862 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 [2024-12-05 08:21:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:03,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:03,872 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 [2024-12-05 08:21:03,878 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_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:21:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:04,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180057479] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:04,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:04,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 43 [2024-12-05 08:21:04,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802556105] [2024-12-05 08:21:04,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:04,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-12-05 08:21:04,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:04,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-12-05 08:21:04,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1535, Unknown=25, NotChecked=162, Total=1892 [2024-12-05 08:21:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:04,095 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:04,095 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) [2024-12-05 08:21:04,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:04,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:04,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:04,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:04,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:04,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:04,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:05,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:21:05,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-05 08:21:05,247 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:21:05,247 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:05,247 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #5 [2024-12-05 08:21:05,247 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:05,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:21:05,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:05,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:21:05,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:21:05,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:05,250 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:05,250 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:05,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:05,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1659402838, now seen corresponding path program 5 times [2024-12-05 08:21:05,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:05,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62400556] [2024-12-05 08:21:05,250 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:05,326 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-05 08:21:05,326 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:06,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:06,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62400556] [2024-12-05 08:21:06,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62400556] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:06,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128188597] [2024-12-05 08:21:06,648 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:06,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:06,650 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:06,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:21:28,360 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-05 08:21:28,361 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:28,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-12-05 08:21:28,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:28,488 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:21:28,489 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 [2024-12-05 08:21:28,524 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 [2024-12-05 08:21:28,681 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 [2024-12-05 08:21:28,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:28,788 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 [2024-12-05 08:21:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:28,840 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 [2024-12-05 08:21:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:29,084 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 [2024-12-05 08:21:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:29,146 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 [2024-12-05 08:21:29,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:29,335 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 [2024-12-05 08:21:29,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:29,412 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 [2024-12-05 08:21:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:29,598 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 [2024-12-05 08:21:29,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:29,663 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 [2024-12-05 08:21:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:29,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:30,584 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 [2024-12-05 08:21:30,607 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 [2024-12-05 08:21:30,613 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 [2024-12-05 08:21:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:30,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128188597] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:30,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:30,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2024-12-05 08:21:30,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273837200] [2024-12-05 08:21:30,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:30,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-05 08:21:30,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:30,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-05 08:21:30,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1803, Unknown=18, NotChecked=264, Total=2256 [2024-12-05 08:21:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:30,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:30,810 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) [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:30,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:31,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:21:32,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:32,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:21:32,182 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:32,182 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #6 [2024-12-05 08:21:32,182 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:32,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:21:32,182 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:21:32,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:21:32,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:21:32,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:32,185 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:32,185 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:32,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:32,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1957421902, now seen corresponding path program 6 times [2024-12-05 08:21:32,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:32,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996574333] [2024-12-05 08:21:32,186 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:21:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:32,256 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-05 08:21:32,256 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:34,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:34,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996574333] [2024-12-05 08:21:34,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996574333] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:34,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392487727] [2024-12-05 08:21:34,597 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:21:34,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:34,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:34,598 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:34,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:21:37,918 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-05 08:21:37,918 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:37,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-12-05 08:21:37,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:38,051 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:21:38,051 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 [2024-12-05 08:21:38,086 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 [2024-12-05 08:21:38,238 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 [2024-12-05 08:21:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:38,332 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 [2024-12-05 08:21:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:38,383 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 [2024-12-05 08:21:38,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:38,632 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 [2024-12-05 08:21:38,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:38,693 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 [2024-12-05 08:21:38,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:38,915 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 [2024-12-05 08:21:38,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:38,960 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 [2024-12-05 08:21:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:39,172 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 [2024-12-05 08:21:39,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:39,231 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 [2024-12-05 08:21:39,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:39,453 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 [2024-12-05 08:21:39,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:39,527 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 [2024-12-05 08:21:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:39,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:40,919 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 [2024-12-05 08:21:40,947 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_950 (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_61|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-12-05 08:21:41,052 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 [2024-12-05 08:21:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:41,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392487727] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:41,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:41,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2024-12-05 08:21:41,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949823753] [2024-12-05 08:21:41,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:41,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-12-05 08:21:41,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:41,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-12-05 08:21:41,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2544, Unknown=12, NotChecked=312, Total=3080 [2024-12-05 08:21:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:41,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:41,191 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) [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:21:43,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:21:43,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:43,231 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:21:43,231 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:43,231 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #7 [2024-12-05 08:21:43,231 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:43,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:21:43,231 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:43,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:21:43,231 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:21:43,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:21:43,233 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:21:43,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:21:43,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:21:43,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:21:43,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:21:43,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:21:43,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:21:43,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:43,235 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:43,235 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:43,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:43,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1567426290, now seen corresponding path program 7 times [2024-12-05 08:21:43,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:43,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340248042] [2024-12-05 08:21:43,236 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:21:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:45,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340248042] [2024-12-05 08:21:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340248042] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627121447] [2024-12-05 08:21:45,169 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:21:45,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:45,171 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:45,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:21:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:45,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-05 08:21:45,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:45,478 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:21:45,478 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 [2024-12-05 08:21:45,520 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 [2024-12-05 08:21:45,657 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 [2024-12-05 08:21:45,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:45,750 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 [2024-12-05 08:21:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:45,817 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 [2024-12-05 08:21:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,036 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 [2024-12-05 08:21:46,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,092 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 [2024-12-05 08:21:46,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,308 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 [2024-12-05 08:21:46,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,365 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 [2024-12-05 08:21:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,549 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 [2024-12-05 08:21:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,597 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 [2024-12-05 08:21:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,801 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 [2024-12-05 08:21:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:46,867 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 [2024-12-05 08:21:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:47,070 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 [2024-12-05 08:21:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:47,125 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 [2024-12-05 08:21:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:47,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:52,064 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| 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_75|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224) |c_~#cache~0.base|) (+ .cse0 168 |c_~#cache~0.offset|)) 0)))) is different from false [2024-12-05 08:21:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:52,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627121447] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:52,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:52,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2024-12-05 08:21:52,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977755981] [2024-12-05 08:21:52,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:52,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-12-05 08:21:52,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:52,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-12-05 08:21:52,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=2910, Unknown=54, NotChecked=110, Total=3306 [2024-12-05 08:21:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:52,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:52,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.982758620689655) internal successors, (405), 57 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) [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:52,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:21:52,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:21:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:21:53,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:21:54,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 08:21:54,130 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:21:54,130 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:54,130 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #8 [2024-12-05 08:21:54,130 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:54,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:21:54,130 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:54,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:21:54,130 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:21:54,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:21:54,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-05 08:21:54,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 08:21:54,134 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 08:21:54,134 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:54,134 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:54,134 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:54,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:54,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1463546006, now seen corresponding path program 8 times [2024-12-05 08:21:54,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:54,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752603617] [2024-12-05 08:21:54,134 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:21:54,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:54,179 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:21:54,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:56,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:56,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752603617] [2024-12-05 08:21:56,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752603617] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:56,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272268732] [2024-12-05 08:21:56,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:21:56,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:56,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:56,337 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:56,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:21:56,563 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:21:56,563 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:56,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-12-05 08:21:56,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:56,671 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:21:56,671 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 [2024-12-05 08:21:56,699 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 [2024-12-05 08:21:56,855 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 [2024-12-05 08:21:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:56,970 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 [2024-12-05 08:21:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,037 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 [2024-12-05 08:21:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,258 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 [2024-12-05 08:21:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,319 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 [2024-12-05 08:21:57,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,510 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 [2024-12-05 08:21:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,567 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 [2024-12-05 08:21:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,752 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 [2024-12-05 08:21:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:57,799 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 [2024-12-05 08:21:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:58,009 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 [2024-12-05 08:21:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:58,072 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 [2024-12-05 08:21:58,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:58,291 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 [2024-12-05 08:21:58,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:58,340 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 [2024-12-05 08:21:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:58,557 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 [2024-12-05 08:21:58,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:21:58,613 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 [2024-12-05 08:21:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:21:58,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:00,971 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534) |c_~#cache~0.base|) (+ 196 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:22:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:22:01,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272268732] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:01,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:01,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2024-12-05 08:22:01,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184154425] [2024-12-05 08:22:01,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:01,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-12-05 08:22:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:01,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-12-05 08:22:01,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=3614, Unknown=41, NotChecked=122, Total=4032 [2024-12-05 08:22:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:01,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:01,077 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) [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:01,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:22:02,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:22:03,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:03,112 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:22:03,112 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:03,112 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #9 [2024-12-05 08:22:03,112 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:03,112 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:22:03,112 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:03,112 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:22:03,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:22:03,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-05 08:22:03,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:03,115 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:03,115 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:03,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1485201350, now seen corresponding path program 9 times [2024-12-05 08:22:03,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:03,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590157092] [2024-12-05 08:22:03,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:22:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:03,245 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-05 08:22:03,245 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:22:06,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:06,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590157092] [2024-12-05 08:22:06,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590157092] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:06,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792084365] [2024-12-05 08:22:06,443 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:22:06,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:06,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:06,445 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:06,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:22:39,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-05 08:22:39,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:39,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-12-05 08:22:39,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:39,990 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:22:39,990 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 [2024-12-05 08:22:40,044 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 16 treesize of output 11 [2024-12-05 08:22:40,229 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 [2024-12-05 08:22:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:40,343 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 [2024-12-05 08:22:40,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:40,402 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 [2024-12-05 08:22:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:40,651 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 [2024-12-05 08:22:40,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:40,707 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 [2024-12-05 08:22:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:40,925 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 [2024-12-05 08:22:40,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:40,982 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 [2024-12-05 08:22:41,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:41,198 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 [2024-12-05 08:22:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:41,256 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 [2024-12-05 08:22:41,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:41,471 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 [2024-12-05 08:22:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:41,518 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 [2024-12-05 08:22:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:41,727 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 [2024-12-05 08:22:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:41,779 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 [2024-12-05 08:22:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:42,009 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 [2024-12-05 08:22:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:42,059 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 [2024-12-05 08:22:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:42,281 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 [2024-12-05 08:22:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:22:42,358 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 [2024-12-05 08:22:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:22:42,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:22:45,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792084365] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:45,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:45,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 70 [2024-12-05 08:22:45,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670130953] [2024-12-05 08:22:45,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:45,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-12-05 08:22:45,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:45,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-12-05 08:22:45,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=4642, Unknown=59, NotChecked=0, Total=4970 [2024-12-05 08:22:45,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:45,425 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:45,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 7.366197183098592) internal successors, (523), 70 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) [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:22:45,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:22:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:22:48,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 08:22:48,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:48,418 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:22:48,418 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:48,418 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #10 [2024-12-05 08:22:48,418 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:48,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:22:48,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:48,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:22:48,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:22:48,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-05 08:22:48,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-12-05 08:22:48,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:48,421 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:48,421 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:48,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:48,421 INFO L85 PathProgramCache]: Analyzing trace with hash -419894750, now seen corresponding path program 10 times [2024-12-05 08:22:48,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:48,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674350812] [2024-12-05 08:22:48,422 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:22:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:48,569 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:22:48,570 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:22:52,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:52,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674350812] [2024-12-05 08:22:52,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674350812] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:52,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433788818] [2024-12-05 08:22:52,024 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:22:52,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:52,026 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:52,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6761f8c9-c02a-4f7b-982a-773d704fe6d1/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process