./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_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/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_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:33:54,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:33:54,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:33:54,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:33:54,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:33:54,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:33:54,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:33:54,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:33:54,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:33:54,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:33:54,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:33:54,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:33:54,775 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:33:54,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:33:54,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:33:54,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:33:54,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:33:54,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:33:54,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:33:54,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:33:54,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:33:54,779 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:33:54,779 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:33:54,779 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_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f [2024-11-27 06:33:55,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:33:55,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:33:55,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:33:55,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:33:55,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:33:55,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-11-27 06:33:58,262 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/data/c8725b692/27738c2fe3754fffb827e7ed53a40673/FLAGfad623a75 [2024-11-27 06:33:58,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:33:58,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-11-27 06:33:58,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/data/c8725b692/27738c2fe3754fffb827e7ed53a40673/FLAGfad623a75 [2024-11-27 06:33:58,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/data/c8725b692/27738c2fe3754fffb827e7ed53a40673 [2024-11-27 06:33:58,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:33:58,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:33:58,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:33:58,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:33:58,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:33:58,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:33:58" (1/1) ... [2024-11-27 06:33:58,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226a2872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:58, skipping insertion in model container [2024-11-27 06:33:58,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:33:58" (1/1) ... [2024-11-27 06:33:58,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:33:59,470 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_03151ddc-1f9e-41b8-9ecc-9d762df0368e/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-11-27 06:33:59,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:33:59,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:33:59,618 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_03151ddc-1f9e-41b8-9ecc-9d762df0368e/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-11-27 06:33:59,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:33:59,710 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:33:59,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59 WrapperNode [2024-11-27 06:33:59,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:33:59,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:33:59,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:33:59,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:33:59,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,772 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 318 [2024-11-27 06:33:59,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:33:59,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:33:59,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:33:59,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:33:59,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:33:59,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:33:59,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:33:59,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:33:59,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (1/1) ... [2024-11-27 06:33:59,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:33:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:59,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:33:59,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:33:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 06:33:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 06:33:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 06:33:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:33:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:33:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 06:33:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:33:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 06:33:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 06:33:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:33:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:33:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:33:59,907 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:34:00,094 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:34:00,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:34:00,738 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:34:00,739 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:34:01,437 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:34:01,437 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-27 06:34:01,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:34:01 BoogieIcfgContainer [2024-11-27 06:34:01,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:34:01,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:34:01,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:34:01,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:34:01,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:33:58" (1/3) ... [2024-11-27 06:34:01,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c2ee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:34:01, skipping insertion in model container [2024-11-27 06:34:01,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:59" (2/3) ... [2024-11-27 06:34:01,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c2ee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:34:01, skipping insertion in model container [2024-11-27 06:34:01,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:34:01" (3/3) ... [2024-11-27 06:34:01,453 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2024-11-27 06:34:01,471 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:34:01,473 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 94 locations, 1 initial locations, 20 loop locations, and 3 error locations. [2024-11-27 06:34:01,474 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:34:01,548 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-27 06:34:01,622 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:34:01,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:34:01,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:01,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:34:01,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:34:01,731 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:34:01,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-27 06:34:01,764 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;@350f9f66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:34:01,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 06:34:02,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:02,134 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:02,135 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #1 [2024-11-27 06:34:02,135 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:34:02,135 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:02,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1568876922, now seen corresponding path program 1 times [2024-11-27 06:34:02,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:02,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229359036] [2024-11-27 06:34:02,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:34:02,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:02,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229359036] [2024-11-27 06:34:02,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229359036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:02,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:02,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:34:02,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233512391] [2024-11-27 06:34:02,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:02,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:34:02,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:02,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:34:02,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:34:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:02,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:02,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:02,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:02,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:02,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:34:02,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:02,674 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:02,674 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #2 [2024-11-27 06:34:02,675 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:34:02,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:34:02,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:34:02,676 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:34:02,676 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:02,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:02,676 INFO L85 PathProgramCache]: Analyzing trace with hash 934032029, now seen corresponding path program 1 times [2024-11-27 06:34:02,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:02,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869965882] [2024-11-27 06:34:02,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:34:02,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:02,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869965882] [2024-11-27 06:34:02,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869965882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:34:02,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546954380] [2024-11-27 06:34:02,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:02,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:02,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:34:02,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:34:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:03,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:34:03,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:34:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:34:03,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:34:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:34:03,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546954380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:34:03,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:34:03,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:34:03,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521083866] [2024-11-27 06:34:03,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:34:03,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:34:03,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:03,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:34:03,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:34:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:03,159 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:03,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:03,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:34:03,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:03,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:03,497 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:03,497 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #3 [2024-11-27 06:34:03,497 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:34:03,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:34:03,498 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:34:03,498 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:34:03,498 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:03,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:03,498 INFO L85 PathProgramCache]: Analyzing trace with hash 561947718, now seen corresponding path program 2 times [2024-11-27 06:34:03,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:03,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821267080] [2024-11-27 06:34:03,499 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:34:03,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:03,592 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:34:03,592 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:34:04,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821267080] [2024-11-27 06:34:04,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821267080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:04,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:04,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 06:34:04,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723533138] [2024-11-27 06:34:04,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:34:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:04,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:34:04,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:34:04,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:04,337 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:04,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:04,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:04,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:04,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:04,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:04,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:04,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:34:04,633 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:04,633 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:04,634 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #1 [2024-11-27 06:34:04,634 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:34:04,634 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:04,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1906437794, now seen corresponding path program 1 times [2024-11-27 06:34:04,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:04,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990240602] [2024-11-27 06:34:04,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:04,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:34:04,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990240602] [2024-11-27 06:34:04,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990240602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:34:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249963259] [2024-11-27 06:34:04,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:04,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:04,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:04,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:34:04,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:34:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:05,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:34:05,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:34:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:34:05,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:34:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:34:05,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249963259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:34:05,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:34:05,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:34:05,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148981979] [2024-11-27 06:34:05,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:34:05,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:34:05,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:05,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:34:05,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:34:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:05,158 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:05,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:05,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:05,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:05,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:05,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:05,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 06:34:05,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:05,436 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:05,436 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:05,436 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #2 [2024-11-27 06:34:05,437 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:34:05,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:34:05,437 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:34:05,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:34:05,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:05,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:34:05,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:05,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:34:05,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:05,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:34:05,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:05,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:34:05,438 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:05,438 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:34:05,438 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:05,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:05,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1360859326, now seen corresponding path program 2 times [2024-11-27 06:34:05,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:05,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180600559] [2024-11-27 06:34:05,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:34:05,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:05,526 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:34:05,526 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:06,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:06,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180600559] [2024-11-27 06:34:06,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180600559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:34:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917473510] [2024-11-27 06:34:06,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:34:06,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:06,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:06,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:34:06,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:34:06,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:34:06,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:06,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 06:34:06,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:34:07,039 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:34:07,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:34:07,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:07,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:07,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:07,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:07,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:34:08,083 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_217 Int) (v_ArrVal_214 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_217))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:34:08,278 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:34:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:08,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917473510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:34:08,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:34:08,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-27 06:34:08,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854680440] [2024-11-27 06:34:08,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:34:08,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 06:34:08,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:08,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 06:34:08,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=533, Unknown=16, NotChecked=98, Total=756 [2024-11-27 06:34:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:08,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:08,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:08,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:08,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:08,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:08,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:08,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:08,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:34:09,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:09,181 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:09,181 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:09,181 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #3 [2024-11-27 06:34:09,181 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:34:09,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:34:09,181 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:34:09,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:34:09,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:34:09,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:34:09,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:34:09,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:09,182 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:34:09,182 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:09,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash 42918814, now seen corresponding path program 3 times [2024-11-27 06:34:09,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:09,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693531785] [2024-11-27 06:34:09,183 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:34:09,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:09,251 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:34:09,251 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:11,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:11,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693531785] [2024-11-27 06:34:11,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693531785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:34:11,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993841123] [2024-11-27 06:34:11,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:34:11,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:11,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:34:11,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:34:11,280 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:34:11,280 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:11,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-27 06:34:11,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:34:11,439 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:34:11,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:34:11,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:11,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:11,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:11,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:11,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:12,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:12,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:12,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:34:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:16,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993841123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:34:16,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:34:16,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2024-11-27 06:34:16,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370129264] [2024-11-27 06:34:16,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:34:16,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 06:34:16,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:16,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 06:34:16,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1135, Unknown=44, NotChecked=0, Total=1332 [2024-11-27 06:34:16,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:16,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:16,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.45945945945946) internal successors, (165), 36 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:16,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:16,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:17,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:34:18,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:18,051 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:18,051 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:18,052 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #4 [2024-11-27 06:34:18,052 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:34:18,052 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:34:18,052 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:34:18,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:34:18,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:34:18,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:34:18,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:34:18,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:34:18,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:34:18,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:18,054 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:34:18,054 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:18,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:18,054 INFO L85 PathProgramCache]: Analyzing trace with hash 598807034, now seen corresponding path program 4 times [2024-11-27 06:34:18,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:18,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977937109] [2024-11-27 06:34:18,055 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:34:18,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:18,143 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:34:18,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:20,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:20,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977937109] [2024-11-27 06:34:20,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977937109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:34:20,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266287093] [2024-11-27 06:34:20,938 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:34:20,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:20,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:20,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:34:20,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:34:21,745 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:34:21,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:21,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-27 06:34:21,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:34:22,005 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:34:22,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:34:22,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:22,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:22,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:22,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:22,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:22,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:22,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:23,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:23,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:23,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:23,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:23,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:34:24,626 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 [2024-11-27 06:34:24,859 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:24,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266287093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:34:24,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:34:24,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 43 [2024-11-27 06:34:24,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323048275] [2024-11-27 06:34:24,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:34:24,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-27 06:34:24,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:24,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-27 06:34:24,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1592, Unknown=44, NotChecked=82, Total=1892 [2024-11-27 06:34:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:24,863 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:24,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.113636363636363) internal successors, (225), 43 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:24,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:27,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:27,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:34:27,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 06:34:27,922 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:34:27,922 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:34:27,923 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #5 [2024-11-27 06:34:27,923 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:34:27,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:34:27,923 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:34:27,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:34:27,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:34:27,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:34:27,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:34:27,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:34:27,925 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:34:27,925 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:34:27,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:27,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1659402838, now seen corresponding path program 5 times [2024-11-27 06:34:27,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:27,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582808238] [2024-11-27 06:34:27,927 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:34:27,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:28,069 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 06:34:28,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:30,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582808238] [2024-11-27 06:34:30,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582808238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:34:30,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838824451] [2024-11-27 06:34:30,654 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:34:30,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:34:30,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:34:30,656 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:34:30,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:34:52,892 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 06:34:52,893 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:52,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-27 06:34:52,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:34:53,059 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:34:53,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:34:53,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:53,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:34:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:53,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:53,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:53,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:53,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:53,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:53,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:54,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:54,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:54,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:54,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:34:54,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:34:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:54,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:34:58,116 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2024-11-27 06:34:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:58,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838824451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:34:58,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:34:58,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2024-11-27 06:34:58,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625436371] [2024-11-27 06:34:58,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:34:58,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 06:34:58,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:58,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 06:34:58,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1946, Unknown=45, NotChecked=90, Total=2256 [2024-11-27 06:34:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:58,465 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:58,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.9375) internal successors, (285), 47 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:58,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:00,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:00,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:35:00,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 06:35:00,315 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:35:00,315 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:35:00,315 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #6 [2024-11-27 06:35:00,316 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:35:00,316 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:35:00,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:35:00,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:35:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:35:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:35:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:00,318 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:35:00,318 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:35:00,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:00,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1957421902, now seen corresponding path program 6 times [2024-11-27 06:35:00,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:00,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787634363] [2024-11-27 06:35:00,318 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:35:00,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:00,470 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-27 06:35:00,470 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:04,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787634363] [2024-11-27 06:35:04,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787634363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:35:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889713185] [2024-11-27 06:35:04,056 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:35:04,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:35:04,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:35:04,060 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:35:04,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:35:07,792 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-27 06:35:07,792 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:07,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-27 06:35:07,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:35:07,956 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:35:07,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:35:08,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:35:08,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:35:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:08,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:08,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:08,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:08,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:08,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:09,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:09,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:09,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:09,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:09,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:09,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:09,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:35:14,090 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)))) is different from false [2024-11-27 06:35:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:14,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889713185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:35:14,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:35:14,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 18] total 54 [2024-11-27 06:35:14,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522353066] [2024-11-27 06:35:14,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:35:14,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-27 06:35:14,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:14,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-27 06:35:14,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2623, Unknown=31, NotChecked=104, Total=2970 [2024-11-27 06:35:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:14,233 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:14,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.2727272727272725) internal successors, (345), 54 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:14,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:17,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 06:35:17,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-27 06:35:17,216 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:35:17,216 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:35:17,217 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #7 [2024-11-27 06:35:17,218 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:35:17,218 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:35:17,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:35:17,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:35:17,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:35:17,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:35:17,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:35:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:35:17,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:17,220 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:35:17,220 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:35:17,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:17,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1567426290, now seen corresponding path program 7 times [2024-11-27 06:35:17,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:17,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138154827] [2024-11-27 06:35:17,223 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:35:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:35:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:19,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:19,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138154827] [2024-11-27 06:35:19,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138154827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:35:19,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973237156] [2024-11-27 06:35:19,963 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:35:19,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:35:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:35:19,964 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:35:19,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:35:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:35:20,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-27 06:35:20,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:35:20,343 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:35:20,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:35:20,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:35:20,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:35:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:20,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:20,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:21,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:21,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:21,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:21,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:21,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:21,544 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 [2024-11-27 06:35:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:21,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:21,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:22,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:22,319 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 [2024-11-27 06:35:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:22,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:22,613 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 [2024-11-27 06:35:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:22,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:35:24,354 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int)) (v_ArrVal_1227 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1227))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:35:24,657 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224) |c_~#cache~0.base|) (+ 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:35:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:24,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973237156] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:35:24,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:35:24,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2024-11-27 06:35:24,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764925903] [2024-11-27 06:35:24,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:35:24,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-27 06:35:24,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:24,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-27 06:35:24,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=2820, Unknown=39, NotChecked=218, Total=3306 [2024-11-27 06:35:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:24,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:24,801 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) [2024-11-27 06:35:24,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:24,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:27,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 06:35:27,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:35:27,393 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:35:27,393 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:35:27,393 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #8 [2024-11-27 06:35:27,394 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:35:27,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:35:27,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:35:27,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:35:27,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:35:27,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:35:27,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:35:27,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:35:27,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:35:27,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:35:27,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:27,397 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:35:27,397 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:35:27,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:27,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1463546006, now seen corresponding path program 8 times [2024-11-27 06:35:27,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:27,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24272733] [2024-11-27 06:35:27,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:35:27,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:27,479 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:35:27,480 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:30,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:30,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24272733] [2024-11-27 06:35:30,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24272733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:35:30,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485737878] [2024-11-27 06:35:30,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:35:30,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:35:30,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:35:30,763 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:35:30,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:35:31,039 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:35:31,039 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:31,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-27 06:35:31,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:35:31,186 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:35:31,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:35:31,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:35:31,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:35:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:31,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:31,594 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 23 treesize of output 11 [2024-11-27 06:35:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:31,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:32,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:32,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:32,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:32,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:32,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:32,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:32,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:33,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:33,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:33,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:33,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:33,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:34,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:35:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:35:34,086 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 23 treesize of output 11 [2024-11-27 06:35:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:34,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:35:36,882 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (v_ArrVal_1538 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534))) (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_1538))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:35:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:37,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485737878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:35:37,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:35:37,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 62 [2024-11-27 06:35:37,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084029129] [2024-11-27 06:35:37,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:35:37,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-27 06:35:37,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:37,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-27 06:35:37,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=3499, Unknown=35, NotChecked=120, Total=3906 [2024-11-27 06:35:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:37,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:37,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.380952380952381) internal successors, (465), 62 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:35:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:35:40,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 06:35:40,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:35:40,304 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:35:40,304 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:35:40,304 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #9 [2024-11-27 06:35:40,304 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:35:40,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:35:40,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:35:40,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:35:40,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:35:40,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:35:40,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:35:40,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:35:40,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:35:40,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:35:40,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:35:40,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:35:40,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:35:40,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:35:40,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:35:40,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:35:40,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:35:40,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:35:40,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:35:40,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:35:40,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:35:40,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-27 06:35:40,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:35:40,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:35:40,309 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:35:40,309 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:35:40,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:40,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1485201350, now seen corresponding path program 9 times [2024-11-27 06:35:40,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:40,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174126313] [2024-11-27 06:35:40,310 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:35:40,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:40,466 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 06:35:40,466 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:45,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174126313] [2024-11-27 06:35:45,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174126313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:35:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500985859] [2024-11-27 06:35:45,589 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:35:45,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:35:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:35:45,591 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:35:45,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:36:22,893 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 06:36:22,893 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:22,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-27 06:36:22,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:23,110 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:36:23,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:36:23,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:36:23,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:36:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:23,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:23,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:24,146 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 [2024-11-27 06:36:24,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:24,229 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 23 treesize of output 11 [2024-11-27 06:36:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:24,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:24,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:25,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:25,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:25,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:25,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:26,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:26,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:26,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:26,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:26,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:26,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:36:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:36:27,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:32,840 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109| Int) (v_ArrVal_1880 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-27 06:36:32,846 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:36:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:36:33,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500985859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:33,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:33,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 25] total 71 [2024-11-27 06:36:33,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107037852] [2024-11-27 06:36:33,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:33,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-27 06:36:33,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:33,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-27 06:36:33,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=4527, Unknown=44, NotChecked=274, Total=5112 [2024-11-27 06:36:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:33,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:33,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.263888888888889) internal successors, (523), 71 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:36:33,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:36:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:36:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:36:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:36:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:36:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:36:37,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:36:37,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:37,801 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:36:37,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:36:37,801 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #10 [2024-11-27 06:36:37,801 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:36:37,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:36:37,801 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:36:37,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:36:37,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:36:37,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:36:37,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:36:37,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:36:37,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:36:37,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:36:37,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-27 06:36:37,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:36:37,805 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:36:37,805 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:36:37,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:37,806 INFO L85 PathProgramCache]: Analyzing trace with hash -419894750, now seen corresponding path program 10 times [2024-11-27 06:36:37,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:37,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951130793] [2024-11-27 06:36:37,806 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:36:37,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:38,053 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:36:38,054 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:36:42,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:42,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951130793] [2024-11-27 06:36:42,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951130793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:42,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929287908] [2024-11-27 06:36:42,545 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:36:42,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:42,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:42,547 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:42,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03151ddc-1f9e-41b8-9ecc-9d762df0368e/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process