./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_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/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_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:19:05,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:19:05,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:19:05,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:19:05,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:19:05,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:19:05,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:19:05,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:19:05,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:19:05,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:19:05,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:19:05,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:19:05,327 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:19:05,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:19:05,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:19:05,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:19:05,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:19:05,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:19:05,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:19:05,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:19:05,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:19:05,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:19:05,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:19:05,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:19:05,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:19:05,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:19:05,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:19:05,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:19:05,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:19:05,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:19:05,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:19:05,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:19:05,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:19:05,330 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:19:05,330 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:19:05,331 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:19:05,332 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:19:05,332 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_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba [2024-11-27 06:19:05,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:19:05,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:19:05,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:19:05,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:19:05,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:19:05,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-11-27 06:19:08,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/data/59d11857c/2adc384bc9b546d89a34bca97a3b25ab/FLAGf2444f13b [2024-11-27 06:19:09,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:19:09,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-11-27 06:19:09,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/data/59d11857c/2adc384bc9b546d89a34bca97a3b25ab/FLAGf2444f13b [2024-11-27 06:19:09,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/data/59d11857c/2adc384bc9b546d89a34bca97a3b25ab [2024-11-27 06:19:09,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:19:09,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:19:09,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:19:09,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:19:09,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:19:09,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:19:09" (1/1) ... [2024-11-27 06:19:09,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f54a066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:09, skipping insertion in model container [2024-11-27 06:19:09,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:19:09" (1/1) ... [2024-11-27 06:19:09,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:19:09,893 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_c5112466-0201-431b-86d9-ca6e368cbf04/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2024-11-27 06:19:09,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:19:09,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:19:10,013 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_c5112466-0201-431b-86d9-ca6e368cbf04/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2024-11-27 06:19:10,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:19:10,096 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:19:10,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10 WrapperNode [2024-11-27 06:19:10,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:19:10,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:19:10,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:19:10,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:19:10,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,182 INFO L138 Inliner]: procedures = 272, calls = 95, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 262 [2024-11-27 06:19:10,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:19:10,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:19:10,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:19:10,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:19:10,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:19:10,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:19:10,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:19:10,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:19:10,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (1/1) ... [2024-11-27 06:19:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:19:10,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:10,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:19:10,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:19:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 06:19:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 06:19:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 06:19:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:19:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:19:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 06:19:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:19:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 06:19:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 06:19:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:19:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:19:10,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:19:10,341 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:19:10,547 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:19:10,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:19:11,107 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:19:11,107 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:19:11,911 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:19:11,912 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-27 06:19:11,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:19:11 BoogieIcfgContainer [2024-11-27 06:19:11,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:19:11,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:19:11,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:19:11,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:19:11,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:19:09" (1/3) ... [2024-11-27 06:19:11,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ef4e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:19:11, skipping insertion in model container [2024-11-27 06:19:11,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:19:10" (2/3) ... [2024-11-27 06:19:11,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ef4e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:19:11, skipping insertion in model container [2024-11-27 06:19:11,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:19:11" (3/3) ... [2024-11-27 06:19:11,928 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2024-11-27 06:19:11,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:19:11,949 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. [2024-11-27 06:19:11,950 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:19:12,024 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-27 06:19:12,097 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:19:12,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:19:12,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:12,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:19:12,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:19:12,228 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:19:12,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-27 06:19:12,261 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;@b0fa067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:19:12,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 06:19:12,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:12,695 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:12,695 INFO L139 ounterexampleChecker]: Examining path program with hash 2116285414, occurence #1 [2024-11-27 06:19:12,695 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:12,695 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:12,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1709475561, now seen corresponding path program 1 times [2024-11-27 06:19:12,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:12,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084017051] [2024-11-27 06:19:12,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:13,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:13,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084017051] [2024-11-27 06:19:13,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084017051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:19:13,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:19:13,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:19:13,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132992656] [2024-11-27 06:19:13,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:19:13,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:19:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:13,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:19:13,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:19:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:13,154 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:13,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:19:13,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:13,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:19:13,274 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:13,274 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:13,275 INFO L139 ounterexampleChecker]: Examining path program with hash 2116285414, occurence #2 [2024-11-27 06:19:13,275 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:13,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:19:13,276 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:13,276 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:13,276 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:13,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:13,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1411219918, now seen corresponding path program 1 times [2024-11-27 06:19:13,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:13,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776104120] [2024-11-27 06:19:13,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:13,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:13,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776104120] [2024-11-27 06:19:13,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776104120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171962234] [2024-11-27 06:19:13,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:13,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:13,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:13,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:13,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:19:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:13,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:19:13,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:13,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:13,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171962234] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:13,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:13,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:19:13,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396789965] [2024-11-27 06:19:13,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:13,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:19:13,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:13,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:19:13,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:19:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:13,764 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:13,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:19:13,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:13,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:13,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:13,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:13,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:14,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:14,118 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:14,119 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:14,119 INFO L139 ounterexampleChecker]: Examining path program with hash 2116285414, occurence #3 [2024-11-27 06:19:14,119 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:14,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:19:14,120 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:14,120 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:14,120 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:14,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:14,121 INFO L85 PathProgramCache]: Analyzing trace with hash 246640343, now seen corresponding path program 2 times [2024-11-27 06:19:14,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:14,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862514336] [2024-11-27 06:19:14,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:14,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:14,165 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:19:14,165 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:19:14,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:14,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862514336] [2024-11-27 06:19:14,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862514336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:19:14,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:19:14,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 06:19:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181345164] [2024-11-27 06:19:14,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:19:14,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:19:14,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:14,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:19:14,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:19:14,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:14,917 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:14,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:19:14,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:14,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:14,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:15,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:19:15,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:15,226 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:15,226 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #1 [2024-11-27 06:19:15,226 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:15,227 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:15,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:15,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1451463117, now seen corresponding path program 1 times [2024-11-27 06:19:15,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:15,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125932892] [2024-11-27 06:19:15,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:15,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:19:15,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:15,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125932892] [2024-11-27 06:19:15,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125932892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:15,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129919520] [2024-11-27 06:19:15,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:15,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:15,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:15,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:15,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:19:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:15,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:19:15,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:19:15,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:19:15,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129919520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:15,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:15,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:19:15,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659994363] [2024-11-27 06:19:15,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:15,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:19:15,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:15,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:19:15,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:19:15,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:15,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:15,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:19:15,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:15,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:15,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:15,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:15,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:15,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 06:19:16,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:16,104 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:16,104 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:16,104 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #2 [2024-11-27 06:19:16,104 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:16,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:16,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:16,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:16,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:16,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:19:16,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:16,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:19:16,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:16,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:19:16,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:16,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:19:16,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:16,106 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:16,106 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:16,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:16,107 INFO L85 PathProgramCache]: Analyzing trace with hash 793455315, now seen corresponding path program 2 times [2024-11-27 06:19:16,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:16,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021406252] [2024-11-27 06:19:16,107 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:16,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:16,174 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:16,174 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:17,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:17,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021406252] [2024-11-27 06:19:17,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021406252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:17,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802956403] [2024-11-27 06:19:17,507 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:17,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:17,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:17,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:17,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:19:17,680 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:17,681 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:17,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-27 06:19:17,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:17,896 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:19:17,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:19:17,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:18,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:18,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:18,471 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 [2024-11-27 06:19:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:18,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:20,657 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 [2024-11-27 06:19:20,669 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 [2024-11-27 06:19:20,681 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:19:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:20,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802956403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:20,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:20,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2024-11-27 06:19:20,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087707784] [2024-11-27 06:19:20,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:20,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 06:19:20,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:20,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 06:19:20,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=499, Unknown=10, NotChecked=144, Total=756 [2024-11-27 06:19:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:20,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:20,880 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) [2024-11-27 06:19:20,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:20,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:20,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:20,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:20,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:21,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:19:21,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:21,824 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:21,824 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:21,824 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #3 [2024-11-27 06:19:21,824 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:21,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:19:21,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:19:21,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:19:21,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:21,826 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:21,826 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:21,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:21,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1166388177, now seen corresponding path program 3 times [2024-11-27 06:19:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:21,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692729973] [2024-11-27 06:19:21,827 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:21,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:21,899 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:19:21,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:23,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:23,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692729973] [2024-11-27 06:19:23,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692729973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:23,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731292959] [2024-11-27 06:19:23,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:23,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:23,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:23,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:23,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:19:23,698 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:19:23,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:23,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-27 06:19:23,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:23,846 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:19:23,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:19:23,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:24,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:24,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:24,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:24,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:24,385 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 [2024-11-27 06:19:24,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:24,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:24,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:24,911 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 [2024-11-27 06:19:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:25,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:25,845 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 [2024-11-27 06:19:26,040 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 [2024-11-27 06:19:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:26,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731292959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:26,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:26,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 35 [2024-11-27 06:19:26,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827133772] [2024-11-27 06:19:26,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:26,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-27 06:19:26,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:26,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-27 06:19:26,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=961, Unknown=25, NotChecked=130, Total=1260 [2024-11-27 06:19:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:26,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:26,220 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) [2024-11-27 06:19:26,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:26,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:27,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:19:27,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 06:19:27,500 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:27,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:27,500 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #4 [2024-11-27 06:19:27,500 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:27,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:27,500 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:27,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:27,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:19:27,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:19:27,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:19:27,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:19:27,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:19:27,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:19:27,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:27,502 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:27,502 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:27,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:27,507 INFO L85 PathProgramCache]: Analyzing trace with hash -562874485, now seen corresponding path program 4 times [2024-11-27 06:19:27,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:27,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628727535] [2024-11-27 06:19:27,508 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:19:27,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:27,657 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:19:27,657 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:30,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:30,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628727535] [2024-11-27 06:19:30,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628727535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:30,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944947544] [2024-11-27 06:19:30,265 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:19:30,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:30,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:30,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:30,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:19:30,681 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:19:30,681 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:30,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-27 06:19:30,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:30,874 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:19:30,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:19:30,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:31,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:31,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:31,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:31,445 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 [2024-11-27 06:19:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:31,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:31,889 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 [2024-11-27 06:19:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:32,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:32,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:32,246 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 [2024-11-27 06:19:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:32,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:33,623 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 [2024-11-27 06:19:33,653 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 [2024-11-27 06:19:33,755 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 [2024-11-27 06:19:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:33,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944947544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:33,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:33,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 18] total 46 [2024-11-27 06:19:33,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004371219] [2024-11-27 06:19:33,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:33,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-27 06:19:33,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:33,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-27 06:19:33,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1712, Unknown=12, NotChecked=258, Total=2162 [2024-11-27 06:19:33,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:33,921 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:33,921 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) [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:35,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:19:35,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 06:19:35,684 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:35,684 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:35,684 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #5 [2024-11-27 06:19:35,684 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:35,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:35,685 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:19:35,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:19:35,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:19:35,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:35,687 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:35,687 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:35,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2132071655, now seen corresponding path program 5 times [2024-11-27 06:19:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213014927] [2024-11-27 06:19:35,692 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:35,848 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 06:19:35,848 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:38,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:38,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213014927] [2024-11-27 06:19:38,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213014927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:38,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172038229] [2024-11-27 06:19:38,106 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:38,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:38,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:38,108 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:38,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:19:40,861 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 06:19:40,861 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:40,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-27 06:19:40,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:41,024 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:19:41,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:19:41,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:41,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:19:41,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:41,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:41,481 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 [2024-11-27 06:19:41,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:41,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:41,861 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 [2024-11-27 06:19:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:42,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:42,320 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 [2024-11-27 06:19:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:42,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:19:42,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:42,671 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 [2024-11-27 06:19:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:42,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:44,699 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 [2024-11-27 06:19:44,796 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 [2024-11-27 06:19:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:44,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172038229] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:44,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 21] total 51 [2024-11-27 06:19:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770059503] [2024-11-27 06:19:44,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:44,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-27 06:19:44,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:44,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-27 06:19:44,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2237, Unknown=27, NotChecked=194, Total=2652 [2024-11-27 06:19:44,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:44,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:44,959 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) [2024-11-27 06:19:44,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:44,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:44,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:44,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:44,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:44,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:44,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:44,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:19:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:47,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:19:47,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:47,298 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:19:47,298 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:47,298 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #6 [2024-11-27 06:19:47,298 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:47,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:47,298 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:47,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:47,298 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:19:47,298 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:19:47,298 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:19:47,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:19:47,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:47,301 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:47,301 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:47,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:47,301 INFO L85 PathProgramCache]: Analyzing trace with hash -625071037, now seen corresponding path program 6 times [2024-11-27 06:19:47,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:47,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309361105] [2024-11-27 06:19:47,301 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:47,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:47,450 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-27 06:19:47,450 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:50,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:50,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309361105] [2024-11-27 06:19:50,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309361105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:50,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722437778] [2024-11-27 06:19:50,825 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:50,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:50,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:50,828 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:50,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:19:54,943 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-27 06:19:54,943 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:54,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-27 06:19:54,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:55,246 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:19:55,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:19:55,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-27 06:19:55,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2024-11-27 06:19:55,938 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 [2024-11-27 06:19:56,120 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 [2024-11-27 06:19:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:56,622 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-27 06:19:56,623 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 [2024-11-27 06:19:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:56,864 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-11-27 06:19:56,864 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 [2024-11-27 06:19:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,349 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 [2024-11-27 06:19:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,440 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 [2024-11-27 06:19:57,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,835 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 [2024-11-27 06:19:57,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:19:57,932 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 [2024-11-27 06:19:58,322 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 [2024-11-27 06:19:58,510 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 [2024-11-27 06:19:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:58,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:00,579 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 [2024-11-27 06:20:00,599 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 [2024-11-27 06:20:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:00,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722437778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:00,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:00,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 20] total 61 [2024-11-27 06:20:00,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36456009] [2024-11-27 06:20:00,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:00,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-27 06:20:00,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:00,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-27 06:20:00,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=3259, Unknown=2, NotChecked=234, Total=3782 [2024-11-27 06:20:00,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:00,799 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:00,800 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) [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:05,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 06:20:05,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:05,412 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:20:05,412 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:05,412 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #7 [2024-11-27 06:20:05,412 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:05,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:20:05,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:05,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:20:05,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:20:05,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:20:05,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:05,415 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:05,415 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:05,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:05,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1246641567, now seen corresponding path program 7 times [2024-11-27 06:20:05,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:05,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388557388] [2024-11-27 06:20:05,420 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:20:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:08,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388557388] [2024-11-27 06:20:08,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388557388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470403454] [2024-11-27 06:20:08,670 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:20:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:08,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:08,672 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:08,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:20:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:08,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-27 06:20:08,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:09,058 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:20:09,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:20:09,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:20:09,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:20:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:09,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:09,540 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 [2024-11-27 06:20:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:09,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:09,938 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 [2024-11-27 06:20:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:10,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:10,281 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 [2024-11-27 06:20:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:10,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:10,611 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 [2024-11-27 06:20:10,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:10,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:10,966 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 [2024-11-27 06:20:11,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:11,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:11,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:11,318 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 [2024-11-27 06:20:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:11,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:17,372 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int) (v_ArrVal_1209 (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_1209) |c_~#cache~0.base|) (+ .cse0 168 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75|)))) is different from false [2024-11-27 06:20:17,385 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:20:17,391 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209) |c_~#cache~0.base|) (+ 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:20:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:17,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470403454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:17,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:17,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 27] total 62 [2024-11-27 06:20:17,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265247671] [2024-11-27 06:20:17,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:17,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-27 06:20:17,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:17,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-27 06:20:17,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=3282, Unknown=22, NotChecked=354, Total=3906 [2024-11-27 06:20:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:17,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:17,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.396825396825397) internal successors, (403), 62 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) [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:17,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:19,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:20:20,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 06:20:20,162 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:20:20,162 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:20,163 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #8 [2024-11-27 06:20:20,163 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:20,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:20:20,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:20,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:20:20,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:20:20,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:20:20,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:20:20,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:20:20,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:20:20,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:20:20,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:20:20,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:20:20,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:20:20,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:20:20,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:20:20,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-27 06:20:20,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:20:20,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-27 06:20:20,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:20:20,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:20:20,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:20,170 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:20,170 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:20,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:20,170 INFO L85 PathProgramCache]: Analyzing trace with hash 19138811, now seen corresponding path program 8 times [2024-11-27 06:20:20,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:20,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621521017] [2024-11-27 06:20:20,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:20:20,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:20,258 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:20:20,258 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:24,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:24,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621521017] [2024-11-27 06:20:24,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621521017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:24,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459517997] [2024-11-27 06:20:24,141 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:20:24,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:24,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:24,143 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:24,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:20:24,421 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:20:24,421 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:24,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-27 06:20:24,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:24,564 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:20:24,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:20:24,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:20:24,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:20:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:24,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:24,972 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 [2024-11-27 06:20:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:25,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:25,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:25,328 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 [2024-11-27 06:20:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:25,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:25,739 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 [2024-11-27 06:20:26,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:26,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:26,092 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 [2024-11-27 06:20:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:26,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:26,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:26,415 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 [2024-11-27 06:20:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:26,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:26,754 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 [2024-11-27 06:20:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:27,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:20:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:20:27,135 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 [2024-11-27 06:20:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:27,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:31,818 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 [2024-11-27 06:20:31,958 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 [2024-11-27 06:20:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:32,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459517997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:32,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:32,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2024-11-27 06:20:32,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341309441] [2024-11-27 06:20:32,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:32,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-27 06:20:32,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:32,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-27 06:20:32,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=4247, Unknown=33, NotChecked=266, Total=4830 [2024-11-27 06:20:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:32,166 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:32,167 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) [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:35,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:20:35,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 06:20:35,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:35,742 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:20:35,742 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:35,742 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #9 [2024-11-27 06:20:35,742 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:35,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:20:35,742 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:20:35,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:20:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:20:35,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:20:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:20:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:20:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:20:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-27 06:20:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:20:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:35,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:35,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash -853635497, now seen corresponding path program 9 times [2024-11-27 06:20:35,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:35,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426000907] [2024-11-27 06:20:35,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:20:35,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:35,935 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 06:20:35,936 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:20:40,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426000907] [2024-11-27 06:20:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426000907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946683359] [2024-11-27 06:20:40,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:20:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:40,193 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:40,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:21:36,495 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 06:21:36,495 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:36,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-27 06:21:36,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:36,667 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:21:36,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-27 06:21:36,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:21:36,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-27 06:21:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:37,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:37,325 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 [2024-11-27 06:21:37,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:37,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:38,059 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 [2024-11-27 06:21:38,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:38,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:38,605 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 [2024-11-27 06:21:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:38,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:39,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:39,073 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 [2024-11-27 06:21:39,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:39,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:39,503 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 [2024-11-27 06:21:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:39,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:39,958 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 [2024-11-27 06:21:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:40,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:40,411 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 [2024-11-27 06:21:40,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:40,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 06:21:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:21:40,873 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 [2024-11-27 06:21:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:21:41,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:21:45,770 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int)) (v_ArrVal_1854 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852))) (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| (+ (- 1) v_ArrVal_1854)))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:21:46,032 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 [2024-11-27 06:21:46,040 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_~#cache~0.offset|)) 0)) is different from false [2024-11-27 06:21:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:21:46,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946683359] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:21:46,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:21:46,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 33] total 79 [2024-11-27 06:21:46,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284640785] [2024-11-27 06:21:46,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:21:46,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-27 06:21:46,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:21:46,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-27 06:21:46,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=5533, Unknown=26, NotChecked=456, Total=6320 [2024-11-27 06:21:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:46,282 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:21:46,283 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) [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:21:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:21:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:21:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:21:50,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:21:51,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:51,024 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:21:51,024 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:21:51,024 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #10 [2024-11-27 06:21:51,024 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:21:51,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:21:51,024 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:51,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:21:51,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:21:51,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:21:51,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:21:51,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-27 06:21:51,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-27 06:21:51,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-27 06:21:51,029 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,029 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-27 06:21:51,029 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:51,029 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:21:51,029 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:21:51,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:51,029 INFO L85 PathProgramCache]: Analyzing trace with hash -694366797, now seen corresponding path program 10 times [2024-11-27 06:21:51,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:21:51,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305456624] [2024-11-27 06:21:51,030 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:21:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:51,544 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:21:51,545 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:21:56,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:21:56,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305456624] [2024-11-27 06:21:56,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305456624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:56,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599297051] [2024-11-27 06:21:56,333 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:21:56,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:21:56,335 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:21:56,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5112466-0201-431b-86d9-ca6e368cbf04/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process