./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.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_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/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_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/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_42ec4892-5621-4c97-aa4f-130638da7f22/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 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:27:45,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:27:45,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-12-05 08:27:45,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:27:45,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:27:45,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:27:45,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:27:45,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:27:45,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:27:45,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:27:45,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:27:45,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:27:45,259 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:27:45,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:27:45,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:27:45,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:27:45,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:27:45,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:27:45,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:27:45,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:27:45,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:27:45,261 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:27:45,262 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:27:45,262 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_42ec4892-5621-4c97-aa4f-130638da7f22/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 -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2024-12-05 08:27:45,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:27:45,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:27:45,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:27:45,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:27:45,517 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:27:45,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-12-05 08:27:48,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/data/8ea73e4e2/f350297d375f4a3aba4011a697a12c2d/FLAG96ac3ef32 [2024-12-05 08:27:48,468 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:27:48,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-12-05 08:27:48,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/data/8ea73e4e2/f350297d375f4a3aba4011a697a12c2d/FLAG96ac3ef32 [2024-12-05 08:27:48,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/data/8ea73e4e2/f350297d375f4a3aba4011a697a12c2d [2024-12-05 08:27:48,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:27:48,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:27:48,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:27:48,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:27:48,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:27:48,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:27:48" (1/1) ... [2024-12-05 08:27:48,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55825be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:48, skipping insertion in model container [2024-12-05 08:27:48,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:27:48" (1/1) ... [2024-12-05 08:27:48,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:27:48,892 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,892 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,893 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,893 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:27:48,946 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:27:48,987 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,988 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,988 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:48,989 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 08:27:49,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:27:49,051 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:27:49,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49 WrapperNode [2024-12-05 08:27:49,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:27:49,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:27:49,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:27:49,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:27:49,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,097 INFO L138 Inliner]: procedures = 274, calls = 102, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 331 [2024-12-05 08:27:49,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:27:49,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:27:49,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:27:49,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:27:49,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:27:49,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:27:49,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:27:49,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:27:49,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (1/1) ... [2024-12-05 08:27:49,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:27:49,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:27:49,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:27:49,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:27:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 08:27:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 08:27:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-12-05 08:27:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:27:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:27:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:27:49,207 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 08:27:49,338 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:27:49,340 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:27:49,901 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:27:49,902 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:27:49,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:27:49,929 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-05 08:27:49,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:27:49 BoogieIcfgContainer [2024-12-05 08:27:49,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:27:49,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:27:49,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:27:49,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:27:49,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:27:48" (1/3) ... [2024-12-05 08:27:49,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcb937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:27:49, skipping insertion in model container [2024-12-05 08:27:49,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:49" (2/3) ... [2024-12-05 08:27:49,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcb937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:27:49, skipping insertion in model container [2024-12-05 08:27:49,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:27:49" (3/3) ... [2024-12-05 08:27:49,939 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2024-12-05 08:27:49,954 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:27:49,956 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_20-arrayloop2_rc.i that has 3 procedures, 357 locations, 1 initial locations, 6 loop locations, and 18 error locations. [2024-12-05 08:27:49,956 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:27:50,068 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-05 08:27:50,124 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:27:50,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:27:50,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:27:50,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:27:50,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:27:50,218 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:27:50,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == gThread1of1ForFork0 ======== [2024-12-05 08:27:50,236 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;@743a606e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:27:50,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-05 08:27:50,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:50,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2100846398, now seen corresponding path program 1 times [2024-12-05 08:27:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:50,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650124937] [2024-12-05 08:27:50,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:50,794 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 08:27:50,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:50,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650124937] [2024-12-05 08:27:50,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650124937] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:27:50,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:27:50,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:27:50,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722727194] [2024-12-05 08:27:50,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:27:50,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-05 08:27:50,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:50,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-05 08:27:50,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-05 08:27:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:50,824 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:50,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 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 08:27:50,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:50,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:50,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:27:50,870 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:50,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:50,871 INFO L85 PathProgramCache]: Analyzing trace with hash -285840328, now seen corresponding path program 1 times [2024-12-05 08:27:50,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:50,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863175717] [2024-12-05 08:27:50,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:50,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:51,033 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 08:27:51,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:51,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863175717] [2024-12-05 08:27:51,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863175717] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:27:51,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:27:51,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:27:51,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692269851] [2024-12-05 08:27:51,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:27:51,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:27:51,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:51,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:27:51,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:27:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,037 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:51,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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 08:27:51,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:51,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 08:27:51,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:51,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:51,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1719713284, now seen corresponding path program 1 times [2024-12-05 08:27:51,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:51,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741191210] [2024-12-05 08:27:51,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:51,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:27:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:51,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741191210] [2024-12-05 08:27:51,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741191210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:27:51,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:27:51,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:27:51,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804251992] [2024-12-05 08:27:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:27:51,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:27:51,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:51,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:27:51,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:27:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,281 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:51,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 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 08:27:51,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:51,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:51,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 08:27:51,344 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:51,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1232877049, now seen corresponding path program 1 times [2024-12-05 08:27:51,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:51,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998713208] [2024-12-05 08:27:51,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:51,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:27:51,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:51,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998713208] [2024-12-05 08:27:51,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998713208] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:27:51,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708171616] [2024-12-05 08:27:51,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:51,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:27:51,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:27:51,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:27:51,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:27:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:52,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 08:27:52,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:27:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:27:52,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:27:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:27:52,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708171616] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:27:52,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:27:52,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-05 08:27:52,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585850216] [2024-12-05 08:27:52,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:27:52,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-05 08:27:52,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:52,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-05 08:27:52,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-05 08:27:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:52,548 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:52,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 41.5) internal successors, (415), 10 states have internal predecessors, (415), 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 08:27:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:52,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-05 08:27:52,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:27:52,888 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:52,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:52,889 INFO L85 PathProgramCache]: Analyzing trace with hash -689348403, now seen corresponding path program 2 times [2024-12-05 08:27:52,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:52,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933606473] [2024-12-05 08:27:52,890 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:27:52,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:53,009 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:27:53,009 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:27:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-12-05 08:27:53,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:53,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933606473] [2024-12-05 08:27:53,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933606473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:27:53,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:27:53,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 08:27:53,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968357999] [2024-12-05 08:27:53,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:27:53,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 08:27:53,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:53,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 08:27:53,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 08:27:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:53,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:53,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 46.6) internal successors, (233), 6 states have internal predecessors, (233), 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 08:27:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:54,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:54,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:54,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:54,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:27:54,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-05 08:27:54,410 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1602854582, now seen corresponding path program 1 times [2024-12-05 08:27:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:54,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041709805] [2024-12-05 08:27:54,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:54,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-12-05 08:27:55,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041709805] [2024-12-05 08:27:55,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041709805] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:27:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253883671] [2024-12-05 08:27:55,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:55,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:27:55,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:27:55,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:27:55,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:27:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:27:55,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:27:55,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:27:56,024 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:27:56,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:27:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:27:56,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253883671] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:27:56,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:27:56,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-12-05 08:27:56,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812319182] [2024-12-05 08:27:56,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:27:56,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-05 08:27:56,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:56,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-05 08:27:56,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-12-05 08:27:56,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:56,467 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:56,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 42.94736842105263) internal successors, (816), 19 states have internal predecessors, (816), 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 08:27:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:27:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:57,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:57,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:27:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:27:57,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-05 08:27:57,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:27:57,450 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:57,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1841366335, now seen corresponding path program 2 times [2024-12-05 08:27:57,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:57,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028775968] [2024-12-05 08:27:57,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:27:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:57,745 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:27:57,746 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:27:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-12-05 08:27:58,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:27:58,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028775968] [2024-12-05 08:27:58,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028775968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:27:58,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:27:58,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 08:27:58,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927018673] [2024-12-05 08:27:58,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:27:58,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 08:27:58,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:27:58,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 08:27:58,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 08:27:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:58,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:27:58,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 48.6) internal successors, (243), 6 states have internal predecessors, (243), 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 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:27:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:27:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:27:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:27:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:27:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:27:58,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-05 08:27:58,589 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting gErr2ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:27:58,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:27:58,591 INFO L85 PathProgramCache]: Analyzing trace with hash -979556922, now seen corresponding path program 1 times [2024-12-05 08:27:58,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:27:58,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837468270] [2024-12-05 08:27:58,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:27:58,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:27:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-12-05 08:28:02,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:02,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837468270] [2024-12-05 08:28:02,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837468270] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:02,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337274377] [2024-12-05 08:28:02,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:28:02,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:02,106 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:02,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:28:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:03,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 5714 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 08:28:03,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-12-05 08:28:04,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-12-05 08:28:04,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337274377] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:04,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:04,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-12-05 08:28:04,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135564342] [2024-12-05 08:28:04,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:04,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-05 08:28:04,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:04,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-05 08:28:04,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-12-05 08:28:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:04,837 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:04,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 47.88235294117647) internal successors, (1628), 34 states have internal predecessors, (1628), 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 08:28:04,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:05,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:28:05,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:05,723 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting gErr2ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:28:05,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash 460179654, now seen corresponding path program 2 times [2024-12-05 08:28:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:05,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382132714] [2024-12-05 08:28:05,725 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:28:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:06,125 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:28:06,125 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-12-05 08:28:06,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:06,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382132714] [2024-12-05 08:28:06,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382132714] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:28:06,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:28:06,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 08:28:06,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480886946] [2024-12-05 08:28:06,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:28:06,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 08:28:06,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:06,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 08:28:06,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 08:28:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:06,379 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:06,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 50.2) internal successors, (251), 6 states have internal predecessors, (251), 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 08:28:06,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:06,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:06,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-05 08:28:06,792 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting gErr3ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:28:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2141652528, now seen corresponding path program 1 times [2024-12-05 08:28:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:06,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683382496] [2024-12-05 08:28:06,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:28:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-12-05 08:28:19,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:19,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683382496] [2024-12-05 08:28:19,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683382496] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:19,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794470470] [2024-12-05 08:28:19,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:28:19,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:19,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:19,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:19,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:28:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:21,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 11633 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 08:28:21,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-12-05 08:28:22,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-12-05 08:28:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794470470] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:24,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:24,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-12-05 08:28:24,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685314658] [2024-12-05 08:28:24,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:24,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-12-05 08:28:24,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:24,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-12-05 08:28:24,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-12-05 08:28:24,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:24,228 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:24,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 47.41269841269841) internal successors, (2987), 63 states have internal predecessors, (2987), 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 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:24,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:28:26,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:28:26,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:26,234 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting gErr3ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:28:26,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1831683984, now seen corresponding path program 2 times [2024-12-05 08:28:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:26,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93307181] [2024-12-05 08:28:26,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:28:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:26,850 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:28:26,850 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 159451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159451 trivial. 0 not checked. [2024-12-05 08:28:27,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:27,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93307181] [2024-12-05 08:28:27,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93307181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:28:27,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:28:27,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 08:28:27,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103747019] [2024-12-05 08:28:27,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:28:27,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 08:28:27,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:27,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 08:28:27,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 08:28:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:27,156 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:27,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 52.0) internal successors, (260), 6 states have internal predecessors, (260), 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 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:28:27,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:28:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:30,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-05 08:28:30,730 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:28:30,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:30,732 INFO L85 PathProgramCache]: Analyzing trace with hash -992217318, now seen corresponding path program 1 times [2024-12-05 08:28:30,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:30,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121591747] [2024-12-05 08:28:30,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:28:30,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 159471 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78380 trivial. 0 not checked. [2024-12-05 08:28:48,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:48,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121591747] [2024-12-05 08:28:48,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121591747] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:48,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959717678] [2024-12-05 08:28:48,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:28:48,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:48,728 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:28:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:53,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 24183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 08:28:53,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 159471 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78380 trivial. 0 not checked. [2024-12-05 08:28:59,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 159471 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78380 trivial. 0 not checked. [2024-12-05 08:29:04,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959717678] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:04,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:04,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-12-05 08:29:04,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178044837] [2024-12-05 08:29:04,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:04,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-05 08:29:04,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:04,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-05 08:29:04,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-12-05 08:29:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:04,415 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:04,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 56.5) internal successors, (791), 14 states have internal predecessors, (791), 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 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:29:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:04,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:29:05,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:29:05,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ec4892-5621-4c97-aa4f-130638da7f22/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-05 08:29:05,300 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [gErr0ASSERT_VIOLATIONDATA_RACE, gErr1ASSERT_VIOLATIONDATA_RACE, gErr2ASSERT_VIOLATIONDATA_RACE, gErr3ASSERT_VIOLATIONDATA_RACE] === [2024-12-05 08:29:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:05,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2084491712, now seen corresponding path program 2 times [2024-12-05 08:29:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:05,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179510155] [2024-12-05 08:29:05,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:29:05,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:09,800 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:29:09,800 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat