./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:23:22,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:23:22,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-12-05 08:23:22,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:23:22,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:23:22,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:23:22,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:23:22,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:23:22,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:23:22,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:23:22,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:23:22,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:23:22,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:23:22,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:23:22,725 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:23:22,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:23:22,726 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:23:22,727 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:23:22,727 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_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) 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 -> 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 [2024-12-05 08:23:22,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:23:22,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:23:22,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:23:22,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:23:22,977 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:23:22,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i [2024-12-05 08:23:25,673 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/data/74f53344e/aec5f69d77c044e587f0adb17e1cfb96/FLAG4819817b5 [2024-12-05 08:23:25,898 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:23:25,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i [2024-12-05 08:23:25,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/data/74f53344e/aec5f69d77c044e587f0adb17e1cfb96/FLAG4819817b5 [2024-12-05 08:23:25,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/data/74f53344e/aec5f69d77c044e587f0adb17e1cfb96 [2024-12-05 08:23:25,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:23:25,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:23:25,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:23:25,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:23:25,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:23:25,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:23:25" (1/1) ... [2024-12-05 08:23:25,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6968d821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:25, skipping insertion in model container [2024-12-05 08:23:25,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:23:25" (1/1) ... [2024-12-05 08:23:25,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:23:26,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:23:26,365 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:23:26,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:23:26,461 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:23:26,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26 WrapperNode [2024-12-05 08:23:26,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:23:26,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:23:26,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:23:26,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:23:26,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,505 INFO L138 Inliner]: procedures = 263, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2024-12-05 08:23:26,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:23:26,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:23:26,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:23:26,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:23:26,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,522 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:23:26,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:23:26,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:23:26,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:23:26,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (1/1) ... [2024-12-05 08:23:26,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:23:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:26,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:23:26,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-05 08:23:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:23:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:23:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:23:26,586 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:23:26,698 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:23:26,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:23:26,980 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:23:26,980 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:23:27,001 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:23:27,001 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 08:23:27,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:23:27 BoogieIcfgContainer [2024-12-05 08:23:27,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:23:27,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:23:27,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:23:27,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:23:27,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:23:25" (1/3) ... [2024-12-05 08:23:27,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2e52bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:23:27, skipping insertion in model container [2024-12-05 08:23:27,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:23:26" (2/3) ... [2024-12-05 08:23:27,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2e52bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:23:27, skipping insertion in model container [2024-12-05 08:23:27,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:23:27" (3/3) ... [2024-12-05 08:23:27,011 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2024-12-05 08:23:27,021 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:23:27,023 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_03-funloop_simple.i that has 2 procedures, 176 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2024-12-05 08:23:27,023 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:23:27,102 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-05 08:23:27,148 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:23:27,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:23:27,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:27,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:23:27,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:23:27,213 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:23:27,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-12-05 08:23:27,227 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;@44eb022e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:23:27,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-05 08:23:27,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:27,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:27,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1600780767, now seen corresponding path program 1 times [2024-12-05 08:23:27,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:27,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467746198] [2024-12-05 08:23:27,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:27,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:27,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:27,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467746198] [2024-12-05 08:23:27,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467746198] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:23:27,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:23:27,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:23:27,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324906829] [2024-12-05 08:23:27,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:23:27,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:23:27,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:27,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:23:27,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:23:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:27,766 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:27,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:27,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:23:27,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:27,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:27,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1010734833, now seen corresponding path program 1 times [2024-12-05 08:23:27,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:27,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248306298] [2024-12-05 08:23:27,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:27,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:28,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:28,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248306298] [2024-12-05 08:23:28,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248306298] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:28,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060332161] [2024-12-05 08:23:28,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:28,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:28,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:28,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:23:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:28,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 08:23:28,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:28,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:23:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:28,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060332161] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:23:28,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:23:28,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-05 08:23:28,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508508160] [2024-12-05 08:23:28,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:23:28,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-05 08:23:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:28,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-05 08:23:28,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-05 08:23:28,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:28,195 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:28,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:28,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:28,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:28,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:23:28,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-05 08:23:28,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:28,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:28,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1905928975, now seen corresponding path program 2 times [2024-12-05 08:23:28,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:28,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214648202] [2024-12-05 08:23:28,509 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:23:28,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:28,534 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:23:28,534 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-05 08:23:29,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:29,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214648202] [2024-12-05 08:23:29,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214648202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:23:29,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:23:29,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 08:23:29,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139405253] [2024-12-05 08:23:29,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:23:29,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 08:23:29,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:29,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 08:23:29,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 08:23:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:29,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:29,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:29,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:29,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:29,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:29,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 08:23:29,496 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:29,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:29,497 INFO L85 PathProgramCache]: Analyzing trace with hash -670523274, now seen corresponding path program 1 times [2024-12-05 08:23:29,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:29,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479186525] [2024-12-05 08:23:29,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:29,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:29,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:29,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479186525] [2024-12-05 08:23:29,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479186525] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:29,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312201772] [2024-12-05 08:23:29,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:29,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:29,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:23:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:29,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:23:29,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:29,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:23:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:29,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312201772] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:23:29,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:23:29,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-12-05 08:23:29,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837719044] [2024-12-05 08:23:29,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:23:29,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-05 08:23:29,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:29,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-05 08:23:29,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-05 08:23:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:29,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:29,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 18 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:29,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:29,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:29,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:29,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:30,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:23:30,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:30,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:30,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1293589622, now seen corresponding path program 2 times [2024-12-05 08:23:30,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:30,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249325583] [2024-12-05 08:23:30,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:23:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:30,420 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:23:30,420 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 08:23:30,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:30,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249325583] [2024-12-05 08:23:30,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249325583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:23:30,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:23:30,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 08:23:30,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061733406] [2024-12-05 08:23:30,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:23:30,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 08:23:30,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:30,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 08:23:30,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 08:23:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:30,819 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:30,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:31,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-05 08:23:31,065 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:31,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 180199611, now seen corresponding path program 1 times [2024-12-05 08:23:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948238825] [2024-12-05 08:23:31,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 08:23:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948238825] [2024-12-05 08:23:31,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948238825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:23:31,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:23:31,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:23:31,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346957734] [2024-12-05 08:23:31,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:23:31,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:23:31,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:31,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:23:31,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:23:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:31,153 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:31,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:31,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-05 08:23:31,316 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:31,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash 684013617, now seen corresponding path program 1 times [2024-12-05 08:23:31,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:31,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106233493] [2024-12-05 08:23:31,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:31,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:31,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:31,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106233493] [2024-12-05 08:23:31,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106233493] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:31,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517629742] [2024-12-05 08:23:31,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:31,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:31,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:31,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:31,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:23:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:31,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 08:23:31,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:31,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:23:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:23:32,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517629742] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:23:32,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:23:32,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-12-05 08:23:32,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822676331] [2024-12-05 08:23:32,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:23:32,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-05 08:23:32,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:32,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-05 08:23:32,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-12-05 08:23:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:32,082 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:32,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.0) internal successors, (161), 23 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:32,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:23:32,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-05 08:23:32,605 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:32,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:32,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1233925375, now seen corresponding path program 2 times [2024-12-05 08:23:32,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:32,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182438402] [2024-12-05 08:23:32,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:23:32,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:32,636 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:23:32,636 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:23:33,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:33,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182438402] [2024-12-05 08:23:33,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182438402] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:23:33,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:23:33,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-05 08:23:33,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232580767] [2024-12-05 08:23:33,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:23:33,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-05 08:23:33,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:33,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-05 08:23:33,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-05 08:23:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:33,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:33,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:33,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:33,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-05 08:23:33,986 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:33,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1430201243, now seen corresponding path program 1 times [2024-12-05 08:23:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:33,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203905742] [2024-12-05 08:23:33,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:23:35,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:35,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203905742] [2024-12-05 08:23:35,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203905742] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:35,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250629832] [2024-12-05 08:23:35,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:35,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:35,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:23:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:35,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 08:23:35,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:36,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 08:23:36,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 08:23:36,704 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 32 [2024-12-05 08:23:36,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 08:23:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:36,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-05 08:23:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:23:36,995 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 08:23:36,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250629832] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:23:36,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-05 08:23:36,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [16] total 32 [2024-12-05 08:23:36,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654511145] [2024-12-05 08:23:36,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:23:36,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-05 08:23:36,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:36,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-05 08:23:36,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=923, Unknown=0, NotChecked=0, Total=1056 [2024-12-05 08:23:36,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:36,998 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:36,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.235294117647058) internal successors, (174), 18 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:38,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:23:38,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:23:38,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:38,650 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:38,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:38,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1992504805, now seen corresponding path program 1 times [2024-12-05 08:23:38,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:38,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563644606] [2024-12-05 08:23:38,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:38,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:23:40,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:40,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563644606] [2024-12-05 08:23:40,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563644606] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:40,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56629836] [2024-12-05 08:23:40,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:23:40,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:40,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:40,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:40,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:23:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:23:40,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 08:23:40,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:41,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 08:23:41,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 08:23:41,833 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 32 [2024-12-05 08:23:41,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 08:23:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:42,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-05 08:23:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 25 proven. 33 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:23:42,078 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:23:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 25 proven. 31 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-05 08:23:43,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56629836] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:23:43,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:23:43,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 19] total 56 [2024-12-05 08:23:43,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954307668] [2024-12-05 08:23:43,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:23:43,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-12-05 08:23:43,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:43,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-12-05 08:23:43,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=2892, Unknown=0, NotChecked=0, Total=3192 [2024-12-05 08:23:43,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:43,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:43,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 10.982142857142858) internal successors, (615), 57 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:23:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:23:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-12-05 08:23:47,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:23:47,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 08:23:47,971 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:23:47,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:47,971 INFO L85 PathProgramCache]: Analyzing trace with hash -41235141, now seen corresponding path program 2 times [2024-12-05 08:23:47,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290932410] [2024-12-05 08:23:47,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:23:47,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:48,053 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:23:48,053 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 2 proven. 150 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-12-05 08:23:50,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:50,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290932410] [2024-12-05 08:23:50,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290932410] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:50,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800368137] [2024-12-05 08:23:50,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:23:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:50,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:50,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:50,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:23:52,333 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:23:52,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:52,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 08:23:52,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:53,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 08:23:53,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 08:23:53,984 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 32 [2024-12-05 08:23:54,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 08:23:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:23:54,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2024-12-05 08:23:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 129 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:23:54,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:23:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 27 proven. 64 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-12-05 08:23:56,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800368137] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:23:56,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:23:56,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27, 21] total 70 [2024-12-05 08:23:56,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976464349] [2024-12-05 08:23:56,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:23:56,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-12-05 08:23:56,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:56,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-12-05 08:23:56,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=4545, Unknown=0, NotChecked=0, Total=4970 [2024-12-05 08:23:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:56,010 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:56,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 11.8) internal successors, (826), 71 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-12-05 08:23:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-05 08:24:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-12-05 08:24:07,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:24:07,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-05 08:24:07,292 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:24:07,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:24:07,293 INFO L85 PathProgramCache]: Analyzing trace with hash -260677142, now seen corresponding path program 1 times [2024-12-05 08:24:07,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:24:07,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836391858] [2024-12-05 08:24:07,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:24:07,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:24:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:24:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 825 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-05 08:24:08,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:24:08,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836391858] [2024-12-05 08:24:08,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836391858] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:24:08,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319481835] [2024-12-05 08:24:08,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:24:08,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:24:08,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:24:08,134 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:24:08,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:24:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:24:08,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 08:24:08,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:24:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 08:24:09,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 08:24:09,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319481835] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:24:09,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-05 08:24:09,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [11] total 32 [2024-12-05 08:24:09,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688091726] [2024-12-05 08:24:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:24:09,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-05 08:24:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:09,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-05 08:24:09,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=815, Unknown=0, NotChecked=0, Total=992 [2024-12-05 08:24:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:09,103 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:09,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 23.52173913043478) internal successors, (541), 23 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-12-05 08:24:09,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:24:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:24:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-12-05 08:24:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:24:10,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:24:10,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-05 08:24:10,856 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:24:10,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:24:10,857 INFO L85 PathProgramCache]: Analyzing trace with hash -444771946, now seen corresponding path program 2 times [2024-12-05 08:24:10,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:24:10,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668454647] [2024-12-05 08:24:10,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:24:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:24:10,906 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:24:10,906 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:24:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2024-12-05 08:24:12,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:24:12,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668454647] [2024-12-05 08:24:12,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668454647] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:24:12,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:24:12,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-05 08:24:12,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326245959] [2024-12-05 08:24:12,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:24:12,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-05 08:24:12,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:12,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-05 08:24:12,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-12-05 08:24:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:12,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:12,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.214285714285714) internal successors, (143), 15 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:24:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:24:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:13,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:24:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:24:13,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-05 08:24:13,261 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:24:13,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:24:13,262 INFO L85 PathProgramCache]: Analyzing trace with hash -903031693, now seen corresponding path program 1 times [2024-12-05 08:24:13,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:24:13,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420418242] [2024-12-05 08:24:13,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:24:13,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:24:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:24:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 864 proven. 396 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:24:15,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:24:15,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420418242] [2024-12-05 08:24:15,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420418242] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:24:15,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300094047] [2024-12-05 08:24:15,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:24:15,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:24:15,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:24:15,943 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:24:15,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:24:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:24:16,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 08:24:16,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:24:17,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 08:24:17,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 08:24:17,703 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 32 [2024-12-05 08:24:17,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 08:24:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-05 08:24:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:24:18,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2024-12-05 08:24:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 1098 proven. 162 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:24:18,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:24:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 1098 proven. 162 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:24:45,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300094047] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:24:45,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:24:45,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 31] total 89 [2024-12-05 08:24:45,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759492475] [2024-12-05 08:24:45,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:24:45,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-12-05 08:24:45,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:45,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-12-05 08:24:45,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=974, Invalid=7030, Unknown=6, NotChecked=0, Total=8010 [2024-12-05 08:24:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:45,508 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:45,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 89 states have (on average 11.98876404494382) internal successors, (1067), 90 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:24:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:24:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:25:02,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:25:26,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:25:46,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:25:48,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:25:51,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:26:02,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:26:04,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:26:14,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:26:26,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:26:54,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:27:03,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:27:08,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:27:19,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:27:30,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:27:50,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-05 08:28:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:28:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:28:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:28:01,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-05 08:28:01,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-05 08:28:01,991 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:28:01,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:01,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1670799767, now seen corresponding path program 3 times [2024-12-05 08:28:01,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:01,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824024106] [2024-12-05 08:28:01,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:28:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:02,042 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-05 08:28:02,042 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 0 proven. 197 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2024-12-05 08:28:08,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:08,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824024106] [2024-12-05 08:28:08,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824024106] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:08,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057205762] [2024-12-05 08:28:08,158 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:28:08,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:08,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:08,159 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:28:08,456 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-05 08:28:08,456 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:08,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-05 08:28:08,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:09,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-05 08:28:09,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 08:28:09,367 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 32 [2024-12-05 08:28:09,455 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 39 treesize of output 35 [2024-12-05 08:28:09,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 08:28:10,144 INFO L349 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2024-12-05 08:28:10,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2024-12-05 08:28:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-05 08:28:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2024-12-05 08:28:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2024-12-05 08:28:10,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:10,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 78 [2024-12-05 08:28:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 81 [2024-12-05 08:28:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2024-12-05 08:28:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:11,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 90 [2024-12-05 08:28:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 81 [2024-12-05 08:28:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:12,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-05 08:28:13,377 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:28:13,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 11 [2024-12-05 08:28:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:13,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 108 [2024-12-05 08:28:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 162 proven. 9 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2024-12-05 08:28:13,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:33,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24832 treesize of output 24826 [2024-12-05 08:28:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:28:34,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 17 [2024-12-05 08:28:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 162 proven. 9 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2024-12-05 08:28:35,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057205762] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:35,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:35,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 28, 24] total 70 [2024-12-05 08:28:35,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211163594] [2024-12-05 08:28:35,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:35,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-12-05 08:28:35,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:35,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-12-05 08:28:35,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=4267, Unknown=0, NotChecked=0, Total=4970 [2024-12-05 08:28:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:35,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:35,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 7.357142857142857) internal successors, (515), 71 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:28:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:28:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:04,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-12-05 08:29:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:29:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:29:06,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-05 08:29:07,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-05 08:29:07,029 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:29:07,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:07,029 INFO L85 PathProgramCache]: Analyzing trace with hash 737209872, now seen corresponding path program 2 times [2024-12-05 08:29:07,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:07,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957079889] [2024-12-05 08:29:07,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:29:07,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:07,085 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:29:07,085 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2024-12-05 08:29:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957079889] [2024-12-05 08:29:07,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957079889] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707735018] [2024-12-05 08:29:07,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:29:07,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:07,298 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:29:07,676 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:29:07,676 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:07,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 08:29:07,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2024-12-05 08:29:07,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2024-12-05 08:29:07,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707735018] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:07,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:07,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-12-05 08:29:07,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416284341] [2024-12-05 08:29:07,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:07,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-05 08:29:07,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:07,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-05 08:29:07,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-12-05 08:29:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:07,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:07,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.428571428571427) internal successors, (272), 14 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:29:07,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:29:07,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:29:07,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:12,814 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse29 (* |c_ULTIMATE.start_main_~i~2#1| 28))) (let ((.cse6 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3)) (.cse9 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse11 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) (.cse1 (+ .cse29 28 |c_~#cache~0.offset|)) (.cse14 (+ .cse29 32 |c_~#cache~0.offset|)) (.cse33 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse31 (= |c_~#cache~0.offset| 0)) (.cse32 (select |c_#pthreadsMutex| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (.cse34 (+ 28 |c_~#cache~0.offset|)) (.cse23 (* |c_~#cache~0.offset| 27))) (and (let ((.cse12 (select |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|)) (.cse13 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 4))) (or (let ((.cse2 (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|)) (.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 1)) (.cse4 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 2)) (.cse5 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 3))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse2 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 v_ArrVal_3443)))) (store .cse0 |c_~#cache~0.base| (store (select .cse0 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse6) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse7 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse2 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 v_ArrVal_3443)))) (store .cse7 |c_~#cache~0.base| (store (select .cse7 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse8 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse2 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 v_ArrVal_3443)))) (store .cse8 |c_~#cache~0.base| (store (select .cse8 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse10 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse2 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 v_ArrVal_3443)))) (store .cse10 |c_~#cache~0.base| (store (select .cse10 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse11) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (forall ((v_ArrVal_3446 Int)) (not (= (select (select (store |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store .cse12 .cse13 v_ArrVal_3446)) |c_~#cache~0.base|) .cse14) 0))) (not (= (select .cse12 .cse13) 0)))) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (or (let ((.cse16 (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|)) (.cse17 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1)) (.cse18 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2)) (.cse19 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse15 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse16 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse17 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 v_ArrVal_3443)))) (store .cse15 |c_~#cache~0.base| (store (select .cse15 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse6) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse20 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse16 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse17 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 v_ArrVal_3443)))) (store .cse20 |c_~#cache~0.base| (store (select .cse20 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse21 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse16 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse17 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 v_ArrVal_3443)))) (store .cse21 |c_~#cache~0.base| (store (select .cse21 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse11) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (let ((.cse22 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse16 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse17 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 v_ArrVal_3443)))) (store .cse22 |c_~#cache~0.base| (store (select .cse22 |c_~#cache~0.base|) .cse1 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (forall ((v_ArrVal_3446 Int)) (not (= (select (select (store |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_3446)) |c_~#cache~0.base|) .cse14) 0)))) (= |c_~#cache~0.base| 1) (= (mod (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| .cse23) 28) 0) (let ((.cse30 (select |c_#pthreadsMutex| |c_~#cache~0.base|))) (or (let ((.cse24 (select |c_#race| |c_~#cache~0.base|)) (.cse25 (+ .cse29 |c_~#cache~0.offset|)) (.cse26 (+ .cse29 |c_~#cache~0.offset| 1)) (.cse27 (+ .cse29 2 |c_~#cache~0.offset|)) (.cse28 (+ .cse29 3 |c_~#cache~0.offset|))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse24 .cse25 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse26 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 v_ArrVal_3443) .cse1 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse6) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse24 .cse25 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse26 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 v_ArrVal_3443) .cse1 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse24 .cse25 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse26 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 v_ArrVal_3443) .cse1 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse11) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_3443 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse24 .cse25 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse26 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 v_ArrVal_3443) .cse1 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (not (= (select .cse30 (+ .cse29 |c_~#cache~0.offset| 4)) 0)) (not (= (select .cse30 .cse14) 0)))) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) .cse31 (or (= (select .cse32 .cse33) 1) (not (= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| .cse34))) (= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| 1) (or (< (+ |c_~#cache~0.offset| 27) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|) (and (or (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 0) (< (+ |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 27) 0)) .cse31)) (= (select (select |c_#pthreadsMutex| 1) .cse33) 1) (let ((.cse35 (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (or (let ((.cse36 (< (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 27) 0))) (and .cse35 (or .cse36 (= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 0)) .cse31 (or (= (select .cse32 4) 1) .cse36))) (and .cse35 (<= .cse34 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) (= (mod (+ |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| .cse23) 28) 0)))) is different from true [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:29:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-05 08:29:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-12-05 08:29:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:29:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:29:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:29:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:29:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:29:12,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 08:29:13,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-05 08:29:13,031 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:29:13,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:13,031 INFO L85 PathProgramCache]: Analyzing trace with hash -283575603, now seen corresponding path program 4 times [2024-12-05 08:29:13,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:13,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834754541] [2024-12-05 08:29:13,032 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:29:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:13,173 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:29:13,174 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1545 backedges. 864 proven. 446 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 08:29:25,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:25,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834754541] [2024-12-05 08:29:25,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834754541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:25,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368296465] [2024-12-05 08:29:25,377 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:29:25,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:25,379 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177e329c-541e-4d24-b2b1-89155f3213d5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process