./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.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_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:16:12,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:16:12,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:16:12,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:16:12,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:16:12,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:16:12,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:16:12,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:16:12,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:16:12,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:16:12,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:16:12,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:16:12,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:16:12,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:16:12,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:16:12,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:16:12,268 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:16:12,268 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_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba [2024-12-05 08:16:12,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:16:12,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:16:12,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:16:12,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:16:12,522 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:16:12,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-12-05 08:16:15,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/data/5117a5c13/8f0090c24e4e422493693768b335add1/FLAGd01d41c1d [2024-12-05 08:16:15,417 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:16:15,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-12-05 08:16:15,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/data/5117a5c13/8f0090c24e4e422493693768b335add1/FLAGd01d41c1d [2024-12-05 08:16:15,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/data/5117a5c13/8f0090c24e4e422493693768b335add1 [2024-12-05 08:16:15,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:16:15,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:16:15,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:16:15,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:16:15,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:16:15,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:15,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591b5611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15, skipping insertion in model container [2024-12-05 08:16:15,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:15,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:16:15,815 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_45bb2c72-c34e-431b-8408-95aa8fc07236/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2024-12-05 08:16:15,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:16:15,870 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:16:15,912 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_45bb2c72-c34e-431b-8408-95aa8fc07236/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2024-12-05 08:16:15,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:16:15,966 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:16:15,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15 WrapperNode [2024-12-05 08:16:15,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:16:15,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:16:15,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:16:15,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:16:15,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:15,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,010 INFO L138 Inliner]: procedures = 272, calls = 95, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 262 [2024-12-05 08:16:16,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:16:16,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:16:16,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:16:16,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:16:16,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,032 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:16:16,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:16:16,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:16:16,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:16:16,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (1/1) ... [2024-12-05 08:16:16,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:16:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:16,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:16:16,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-05 08:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:16:16,104 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:16:16,204 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:16:16,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:16:16,557 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:16:16,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:16:17,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:16:17,006 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-12-05 08:16:17,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:16:17 BoogieIcfgContainer [2024-12-05 08:16:17,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:16:17,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:16:17,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:16:17,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:16:17,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:16:15" (1/3) ... [2024-12-05 08:16:17,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4796615f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:16:17, skipping insertion in model container [2024-12-05 08:16:17,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:16:15" (2/3) ... [2024-12-05 08:16:17,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4796615f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:16:17, skipping insertion in model container [2024-12-05 08:16:17,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:16:17" (3/3) ... [2024-12-05 08:16:17,016 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2024-12-05 08:16:17,031 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:16:17,032 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_70-funloop_racefree.i that has 2 procedures, 69 locations, 1 initial locations, 15 loop locations, and 2 error locations. [2024-12-05 08:16:17,033 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:16:17,076 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-05 08:16:17,122 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:16:17,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:16:17,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:17,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:16:17,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:16:17,198 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:16:17,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-12-05 08:16:17,224 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;@3785b252, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:16:17,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-05 08:16:17,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:17,516 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:17,517 INFO L139 ounterexampleChecker]: Examining path program with hash 474099466, occurence #1 [2024-12-05 08:16:17,517 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:16:17,517 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:17,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1709475561, now seen corresponding path program 1 times [2024-12-05 08:16:17,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:17,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45679507] [2024-12-05 08:16:17,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:16:17,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:16:17,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:17,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45679507] [2024-12-05 08:16:17,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45679507] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:16:17,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:16:17,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:16:17,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509168358] [2024-12-05 08:16:17,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:16:17,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:16:17,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:17,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:16:17,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:16:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:17,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:17,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:17,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:17,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:16:17,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:17,894 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:17,894 INFO L139 ounterexampleChecker]: Examining path program with hash 474099466, occurence #2 [2024-12-05 08:16:17,895 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:17,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 08:16:17,896 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:17,896 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:17,896 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:17,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1411219918, now seen corresponding path program 1 times [2024-12-05 08:16:17,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:17,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707512841] [2024-12-05 08:16:17,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:16:17,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:16:18,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:18,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707512841] [2024-12-05 08:16:18,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707512841] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:18,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947853670] [2024-12-05 08:16:18,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:16:18,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:18,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:18,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:16:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:18,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 08:16:18,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:16:18,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:16:18,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947853670] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:18,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:18,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-05 08:16:18,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545139146] [2024-12-05 08:16:18,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:18,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-05 08:16:18,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:18,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-05 08:16:18,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-05 08:16:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:18,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:18,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:18,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:18,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:18,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:18,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:16:18,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-05 08:16:18,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:18,495 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:18,495 INFO L139 ounterexampleChecker]: Examining path program with hash 474099466, occurence #3 [2024-12-05 08:16:18,495 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:18,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:16:18,495 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:18,496 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:18,496 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:18,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:18,496 INFO L85 PathProgramCache]: Analyzing trace with hash 246640343, now seen corresponding path program 2 times [2024-12-05 08:16:18,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:18,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178727683] [2024-12-05 08:16:18,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:16:18,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:18,539 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:16:18,539 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 08:16:18,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:18,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178727683] [2024-12-05 08:16:18,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178727683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:16:18,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:16:18,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-05 08:16:18,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812144435] [2024-12-05 08:16:18,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:16:18,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:16:18,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:18,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:16:18,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-05 08:16:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:18,995 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:18,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:19,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:19,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 08:16:19,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:19,218 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:19,218 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #1 [2024-12-05 08:16:19,219 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:16:19,219 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:19,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:19,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1451463117, now seen corresponding path program 1 times [2024-12-05 08:16:19,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:19,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318347967] [2024-12-05 08:16:19,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:16:19,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:16:19,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:19,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318347967] [2024-12-05 08:16:19,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318347967] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:19,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603611746] [2024-12-05 08:16:19,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:16:19,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:19,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:19,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:19,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:16:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:19,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 08:16:19,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:16:19,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:16:19,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603611746] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:19,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:19,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-12-05 08:16:19,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245004730] [2024-12-05 08:16:19,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:19,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-05 08:16:19,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:19,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-05 08:16:19,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-05 08:16:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:19,595 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:19,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:19,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:19,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:16:19,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:19,912 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:19,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:19,912 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #2 [2024-12-05 08:16:19,912 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:19,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:16:19,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:19,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:16:19,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:19,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:16:19,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:19,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:16:19,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:19,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:16:19,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:19,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:16:19,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:19,913 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:19,913 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:19,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:19,914 INFO L85 PathProgramCache]: Analyzing trace with hash 793455315, now seen corresponding path program 2 times [2024-12-05 08:16:19,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:19,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65894011] [2024-12-05 08:16:19,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:16:19,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:19,961 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:16:19,961 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:20,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:20,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65894011] [2024-12-05 08:16:20,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65894011] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:20,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784982189] [2024-12-05 08:16:20,754 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:16:20,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:20,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:20,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:20,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:16:20,884 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:16:20,884 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:20,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 08:16:20,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:21,016 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:16:21,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:16:21,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:21,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:21,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:21,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:21,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:23,112 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25| Int) (v_ArrVal_214 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ .cse0 28 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25|)))) is different from false [2024-12-05 08:16:23,119 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|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:23,126 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:23,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784982189] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:23,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:23,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2024-12-05 08:16:23,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041581820] [2024-12-05 08:16:23,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:23,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-05 08:16:23,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:23,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-05 08:16:23,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=499, Unknown=10, NotChecked=144, Total=756 [2024-12-05 08:16:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:23,270 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:23,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 27 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:23,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:16:23,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:23,904 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:23,904 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:23,905 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #3 [2024-12-05 08:16:23,905 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:23,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:16:23,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:23,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:16:23,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:16:23,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:16:23,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:16:23,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:16:23,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:16:23,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:16:23,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:16:23,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:16:23,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:16:23,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:23,906 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:23,906 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:23,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:23,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1166388177, now seen corresponding path program 3 times [2024-12-05 08:16:23,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:23,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869759817] [2024-12-05 08:16:23,907 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:16:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:23,955 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 08:16:23,955 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:24,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:24,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869759817] [2024-12-05 08:16:24,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869759817] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:24,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898855926] [2024-12-05 08:16:24,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:16:24,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:24,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:24,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:24,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:16:25,097 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 08:16:25,097 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:25,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 08:16:25,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:25,221 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:16:25,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:16:25,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:25,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:25,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:25,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:25,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:25,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:25,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:26,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:26,407 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 Int) (v_ArrVal_343 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343))) (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_344 (- 1))))) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:26,555 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_343 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:26,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898855926] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:26,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:26,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 35 [2024-12-05 08:16:26,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669552401] [2024-12-05 08:16:26,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:26,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-05 08:16:26,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:26,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-05 08:16:26,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=961, Unknown=25, NotChecked=130, Total=1260 [2024-12-05 08:16:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:26,659 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:26,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.694444444444445) internal successors, (169), 35 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:27,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:16:27,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:27,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:27,565 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:27,565 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #4 [2024-12-05 08:16:27,565 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:27,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:16:27,565 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:27,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:16:27,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:16:27,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:16:27,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:16:27,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:16:27,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:16:27,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:16:27,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:16:27,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:16:27,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:27,568 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:27,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:27,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash -562874485, now seen corresponding path program 4 times [2024-12-05 08:16:27,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:27,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178326128] [2024-12-05 08:16:27,569 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:16:27,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:27,637 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:16:27,637 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:28,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:28,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178326128] [2024-12-05 08:16:28,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178326128] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:28,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155769937] [2024-12-05 08:16:28,980 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:16:28,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:28,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:28,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:16:29,217 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:16:29,217 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:29,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-05 08:16:29,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:29,338 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:16:29,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:16:29,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:29,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:29,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:29,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:29,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:29,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:29,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:30,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:30,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:30,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:30,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:31,045 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (v_ArrVal_509 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507))) (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_509 (- 1))))) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:31,064 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| 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_507) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2024-12-05 08:16:31,126 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507) |c_~#cache~0.base|) (+ 84 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:31,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155769937] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:31,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:31,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 18] total 46 [2024-12-05 08:16:31,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691536377] [2024-12-05 08:16:31,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:31,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-12-05 08:16:31,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:31,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-12-05 08:16:31,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1712, Unknown=12, NotChecked=258, Total=2162 [2024-12-05 08:16:31,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:31,233 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:31,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.787234042553192) internal successors, (225), 46 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:16:32,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:16:32,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:32,492 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:32,492 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:32,492 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #5 [2024-12-05 08:16:32,492 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:32,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:16:32,492 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:16:32,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:16:32,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:16:32,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:16:32,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:16:32,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:16:32,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:16:32,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:32,494 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:32,494 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:32,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:32,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2132071655, now seen corresponding path program 5 times [2024-12-05 08:16:32,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:32,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023089861] [2024-12-05 08:16:32,495 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:16:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:32,577 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-05 08:16:32,577 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:33,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:33,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023089861] [2024-12-05 08:16:33,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023089861] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:33,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374741715] [2024-12-05 08:16:33,997 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:16:33,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:33,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:33,998 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:33,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:16:36,142 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-05 08:16:36,142 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:36,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 08:16:36,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:36,252 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:16:36,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:16:36,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:36,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:36,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:36,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:36,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:36,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:36,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:37,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:37,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:37,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:37,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:37,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:37,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:37,494 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:38,801 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (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_706) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2024-12-05 08:16:38,887 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:38,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374741715] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:38,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:39,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 21] total 51 [2024-12-05 08:16:39,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853726454] [2024-12-05 08:16:39,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:39,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-12-05 08:16:39,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:39,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-12-05 08:16:39,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2237, Unknown=27, NotChecked=194, Total=2652 [2024-12-05 08:16:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:39,003 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:39,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.5) internal successors, (286), 51 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:39,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:39,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:39,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:39,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:39,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:39,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:39,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:16:39,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:16:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:16:40,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:16:40,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-05 08:16:40,461 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:40,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:40,461 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #6 [2024-12-05 08:16:40,461 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:40,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:16:40,461 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:40,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:16:40,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:16:40,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:16:40,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:16:40,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:40,464 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:40,464 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:40,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:40,464 INFO L85 PathProgramCache]: Analyzing trace with hash -625071037, now seen corresponding path program 6 times [2024-12-05 08:16:40,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:40,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233420413] [2024-12-05 08:16:40,464 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:16:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:40,556 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-05 08:16:40,557 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:42,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:42,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233420413] [2024-12-05 08:16:42,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233420413] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:42,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779518339] [2024-12-05 08:16:42,687 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:16:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:42,688 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:16:45,682 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-05 08:16:45,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:16:45,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-05 08:16:45,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:45,850 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:16:45,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:16:45,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 08:16:46,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 08:16:46,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-12-05 08:16:46,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-12-05 08:16:46,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:46,666 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-12-05 08:16:46,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2024-12-05 08:16:46,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:46,844 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-12-05 08:16:46,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 56 [2024-12-05 08:16:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 08:16:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-12-05 08:16:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 08:16:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:47,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-12-05 08:16:47,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-05 08:16:47,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-05 08:16:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:48,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:16:49,409 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_940) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:49,423 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_940) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:16:49,540 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:49,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779518339] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:16:49,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:16:49,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 20] total 61 [2024-12-05 08:16:49,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743640936] [2024-12-05 08:16:49,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:16:49,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-05 08:16:49,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:16:49,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-05 08:16:49,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=3259, Unknown=2, NotChecked=234, Total=3782 [2024-12-05 08:16:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:49,543 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:16:49,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 5.564516129032258) internal successors, (345), 61 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:16:49,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:16:49,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:16:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:16:52,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:16:52,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:52,507 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:16:52,507 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:16:52,507 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #7 [2024-12-05 08:16:52,507 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:16:52,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:16:52,507 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:16:52,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:16:52,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:16:52,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:16:52,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:16:52,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:16:52,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:16:52,510 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:16:52,510 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:16:52,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:16:52,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1246641567, now seen corresponding path program 7 times [2024-12-05 08:16:52,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:16:52,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256269391] [2024-12-05 08:16:52,511 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:16:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:16:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:54,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:16:54,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256269391] [2024-12-05 08:16:54,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256269391] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:16:54,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666026586] [2024-12-05 08:16:54,769 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:16:54,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:16:54,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:16:54,771 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:16:54,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:16:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:16:54,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-05 08:16:54,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:16:55,033 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:16:55,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:16:55,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:55,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:16:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:55,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:55,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:55,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:55,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:55,765 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 [2024-12-05 08:16:55,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:55,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:56,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:56,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:56,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:56,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:56,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:16:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:16:56,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:16:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:16:56,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:17:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:17:01,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666026586] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:17:01,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:17:01,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 26] total 61 [2024-12-05 08:17:01,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023145512] [2024-12-05 08:17:01,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:17:01,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-05 08:17:01,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:17:01,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-05 08:17:01,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=3463, Unknown=61, NotChecked=0, Total=3782 [2024-12-05 08:17:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:17:01,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:17:01,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.5) internal successors, (403), 61 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:17:01,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:17:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:17:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:17:03,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:17:03,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 08:17:03,794 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:17:03,794 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:17:03,794 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #8 [2024-12-05 08:17:03,795 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:17:03,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:17:03,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:17:03,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:17:03,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-05 08:17:03,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-05 08:17:03,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-05 08:17:03,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 08:17:03,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 08:17:03,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:03,798 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:17:03,798 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:17:03,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:17:03,799 INFO L85 PathProgramCache]: Analyzing trace with hash 19138811, now seen corresponding path program 8 times [2024-12-05 08:17:03,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:17:03,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449599195] [2024-12-05 08:17:03,799 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:17:03,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:17:03,844 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:17:03,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:17:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:17:06,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:17:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449599195] [2024-12-05 08:17:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449599195] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:17:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278523878] [2024-12-05 08:17:06,157 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:17:06,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:17:06,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:17:06,159 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:17:06,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:17:06,391 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:17:06,391 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:17:06,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-12-05 08:17:06,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:17:06,506 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:17:06,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:17:06,550 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 16 treesize of output 11 [2024-12-05 08:17:06,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:17:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:06,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:17:06,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:06,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:07,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:17:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:07,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:17:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:07,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:17:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:07,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,912 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 [2024-12-05 08:17:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:07,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:08,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:17:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:08,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:08,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:17:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:17:08,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:17:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:17:08,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:17:12,849 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| 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_91|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-12-05 08:17:12,938 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:17:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:17:13,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278523878] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:17:13,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:17:13,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2024-12-05 08:17:13,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112019066] [2024-12-05 08:17:13,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:17:13,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-12-05 08:17:13,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:17:13,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-12-05 08:17:13,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=4250, Unknown=30, NotChecked=266, Total=4830 [2024-12-05 08:17:13,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:17:13,060 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:17:13,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.628571428571429) internal successors, (464), 69 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:17:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:17:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:17:15,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:17:15,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-05 08:17:15,681 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:17:15,681 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:17:15,681 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #9 [2024-12-05 08:17:15,681 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:17:15,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:17:15,681 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:17:15,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:17:15,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:17:15,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:17:15,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:17:15,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:17:15,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:17:15,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-05 08:17:15,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:17:15,684 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:17:15,684 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:17:15,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:17:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash -853635497, now seen corresponding path program 9 times [2024-12-05 08:17:15,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:17:15,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134832664] [2024-12-05 08:17:15,685 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:17:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:17:15,829 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-05 08:17:15,829 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:17:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:17:18,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:17:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134832664] [2024-12-05 08:17:18,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134832664] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:17:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196373255] [2024-12-05 08:17:18,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:17:18,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:17:18,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:17:18,814 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:17:18,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:18:01,196 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-05 08:18:01,196 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:01,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-12-05 08:18:01,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:01,328 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:18:01,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-05 08:18:01,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:18:01,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 08:18:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:01,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:01,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:01,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:01,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:02,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:02,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:03,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:03,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:03,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:03,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 08:18:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:18:03,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-05 08:18:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:18:03,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:08,216 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109| Int) (v_ArrVal_1852 (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_1852) |c_~#cache~0.base|) (+ 224 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-12-05 08:18:08,222 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-12-05 08:18:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:18:08,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196373255] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:08,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:08,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 33] total 79 [2024-12-05 08:18:08,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011441551] [2024-12-05 08:18:08,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:08,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-12-05 08:18:08,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:08,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-12-05 08:18:08,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=5655, Unknown=49, NotChecked=306, Total=6320 [2024-12-05 08:18:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:08,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:08,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.5375) internal successors, (523), 79 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:18:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:18:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:18:11,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 08:18:11,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:11,549 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-05 08:18:11,549 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:11,549 INFO L139 ounterexampleChecker]: Examining path program with hash -1900315946, occurence #10 [2024-12-05 08:18:11,549 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:11,549 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:18:11,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:18:11,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:18:11,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:18:11,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:18:11,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:18:11,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:18:11,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 08:18:11,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-12-05 08:18:11,552 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-12-05 08:18:11,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-12-05 08:18:11,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-12-05 08:18:11,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-12-05 08:18:11,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:11,553 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:11,553 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:11,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:11,553 INFO L85 PathProgramCache]: Analyzing trace with hash -694366797, now seen corresponding path program 10 times [2024-12-05 08:18:11,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:11,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012120864] [2024-12-05 08:18:11,554 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:18:11,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:11,960 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:18:11,961 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:18:15,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:15,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012120864] [2024-12-05 08:18:15,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012120864] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:15,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478012535] [2024-12-05 08:18:15,323 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:18:15,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:15,325 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:15,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bb2c72-c34e-431b-8408-95aa8fc07236/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process