./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe002_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe002_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL --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 7a9379df521a7077d18fd2276dc35da388f77854d23421e689a681d711c31769 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:13:27,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:13:27,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-08 12:13:27,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:13:27,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:13:28,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:13:28,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:13:28,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:13:28,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:13:28,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:13:28,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:13:28,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:13:28,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:13:28,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:13:28,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:13:28,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:13:28,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:13:28,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:13:28,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:13:28,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:13:28,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:13:28,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:13:28,048 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 12:13:28,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:13:28,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:13:28,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:13:28,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:13:28,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:13:28,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:13:28,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:13:28,050 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-08 12:13:28,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:13:28,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:13:28,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:13:28,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:13:28,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:13:28,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:13:28,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:13:28,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:13:28,053 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:13:28,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:13:28,060 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:13:28,061 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:13:28,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9379df521a7077d18fd2276dc35da388f77854d23421e689a681d711c31769 [2024-11-08 12:13:28,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:13:28,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:13:28,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:13:28,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:13:28,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:13:28,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread-wmm/safe002_power.oepc.i Unable to find full path for "g++" [2024-11-08 12:13:30,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:13:30,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:13:30,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/sv-benchmarks/c/pthread-wmm/safe002_power.oepc.i [2024-11-08 12:13:30,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/data/62a043e4d/acbd5957abf74583ab44e25435345624/FLAG331b7a62e [2024-11-08 12:13:31,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/data/62a043e4d/acbd5957abf74583ab44e25435345624 [2024-11-08 12:13:31,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:13:31,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:13:31,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:13:31,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:13:31,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:13:31,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:13:31" (1/1) ... [2024-11-08 12:13:31,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f451b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:31, skipping insertion in model container [2024-11-08 12:13:31,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:13:31" (1/1) ... [2024-11-08 12:13:31,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:13:31,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:13:31,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:13:32,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:13:32,130 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:13:32,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32 WrapperNode [2024-11-08 12:13:32,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:13:32,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:13:32,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:13:32,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:13:32,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,285 INFO L138 Inliner]: procedures = 175, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 787 [2024-11-08 12:13:32,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:13:32,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:13:32,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:13:32,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:13:32,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:13:32,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:13:32,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:13:32,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:13:32,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (1/1) ... [2024-11-08 12:13:32,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:13:32,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:13:32,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:13:32,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 12:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:13:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 12:13:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 12:13:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 12:13:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 12:13:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-08 12:13:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-08 12:13:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:13:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 12:13:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:13:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:13:32,510 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:13:32,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:13:32,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:13:35,876 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:13:35,876 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:13:58,415 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:13:58,416 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:13:58,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:13:58 BoogieIcfgContainer [2024-11-08 12:13:58,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:13:58,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:13:58,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:13:58,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:13:58,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:13:31" (1/3) ... [2024-11-08 12:13:58,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b158c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:13:58, skipping insertion in model container [2024-11-08 12:13:58,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:13:32" (2/3) ... [2024-11-08 12:13:58,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b158c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:13:58, skipping insertion in model container [2024-11-08 12:13:58,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:13:58" (3/3) ... [2024-11-08 12:13:58,426 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_power.oepc.i [2024-11-08 12:13:58,449 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:13:58,449 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 449 error locations. [2024-11-08 12:13:58,449 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:14:00,099 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:14:00,200 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:14:00,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:14:00,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:14:00,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:14:00,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65715f38-9e32-4de9-93b3-06c07a2554f6/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:14:00,252 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:14:00,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2024-11-08 12:14:00,275 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;@4114186e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:14:00,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2024-11-08 12:14:28,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-11-08 12:14:29,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-11-08 12:15:36,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:15:36,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-11-08 12:15:36,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183