./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe013_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe013_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:35:23,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:35:23,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:35:23,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:35:23,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:35:23,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:35:23,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:35:23,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:35:23,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:35:23,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:35:23,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:35:23,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:35:24,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:35:24,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:35:24,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:35:24,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:35:24,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:35:24,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:35:24,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:35:24,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:35:24,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:35:24,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:35:24,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:35:24,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:35:24,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:35:24,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:35:24,005 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:35:24,005 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_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 [2024-11-23 11:35:24,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:35:24,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:35:24,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:35:24,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:35:24,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:35:24,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-wmm/safe013_tso.i [2024-11-23 11:35:27,513 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/data/4a396fa99/c8a13ae6211241929455c4915700e716/FLAG1d1c8e900 [2024-11-23 11:35:27,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:35:27,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/sv-benchmarks/c/pthread-wmm/safe013_tso.i [2024-11-23 11:35:28,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/data/4a396fa99/c8a13ae6211241929455c4915700e716/FLAG1d1c8e900 [2024-11-23 11:35:28,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/data/4a396fa99/c8a13ae6211241929455c4915700e716 [2024-11-23 11:35:28,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:35:28,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:35:28,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:35:28,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:35:28,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:35:28,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e47b86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28, skipping insertion in model container [2024-11-23 11:35:28,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:35:28,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/sv-benchmarks/c/pthread-wmm/safe013_tso.i[945,958] [2024-11-23 11:35:28,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:35:28,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:35:28,635 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/sv-benchmarks/c/pthread-wmm/safe013_tso.i[945,958] [2024-11-23 11:35:28,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:35:28,746 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:35:28,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28 WrapperNode [2024-11-23 11:35:28,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:35:28,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:35:28,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:35:28,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:35:28,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,803 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-23 11:35:28,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:35:28,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:35:28,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:35:28,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:35:28,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,829 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:35:28,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:35:28,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:35:28,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:35:28,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (1/1) ... [2024-11-23 11:35:28,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:35:28,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:35:28,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:35:28,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:35:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:35:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:35:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 11:35:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 11:35:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 11:35:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 11:35:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 11:35:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 11:35:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:35:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:35:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:35:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:35:28,932 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:35:29,103 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:35:29,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:35:29,327 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:35:29,327 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:35:29,437 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:35:29,437 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 11:35:29,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:29 BoogieIcfgContainer [2024-11-23 11:35:29,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:35:29,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:35:29,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:35:29,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:35:29,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:35:28" (1/3) ... [2024-11-23 11:35:29,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294563dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:29, skipping insertion in model container [2024-11-23 11:35:29,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:28" (2/3) ... [2024-11-23 11:35:29,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294563dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:29, skipping insertion in model container [2024-11-23 11:35:29,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:29" (3/3) ... [2024-11-23 11:35:29,452 INFO L128 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2024-11-23 11:35:29,470 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:35:29,473 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe013_tso.i that has 4 procedures, 39 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-23 11:35:29,473 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:35:29,559 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 11:35:29,622 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:35:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:35:29,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:35:29,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:35:29,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:35:29,722 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:35:29,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:35:29,758 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;@b011162, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:35:29,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-23 11:35:30,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:35:30,433 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:30,434 INFO L139 ounterexampleChecker]: Examining path program with hash 792594305, occurence #1 [2024-11-23 11:35:30,434 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:30,434 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:30,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:30,441 INFO L85 PathProgramCache]: Analyzing trace with hash 110190927, now seen corresponding path program 1 times [2024-11-23 11:35:30,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:30,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791371511] [2024-11-23 11:35:30,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:31,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:31,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791371511] [2024-11-23 11:35:31,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791371511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:31,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:31,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 11:35:31,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282636259] [2024-11-23 11:35:31,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:31,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:35:31,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:31,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:35:31,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:35:31,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:31,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:35:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:31,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:35:31,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:35:31,464 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:31,464 INFO L139 ounterexampleChecker]: Examining path program with hash 1941309580, occurence #1 [2024-11-23 11:35:31,464 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:31,464 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:31,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:31,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2044322924, now seen corresponding path program 1 times [2024-11-23 11:35:31,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:31,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241347691] [2024-11-23 11:35:31,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:31,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:31,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:31,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241347691] [2024-11-23 11:35:31,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241347691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:31,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:31,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:35:31,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437763019] [2024-11-23 11:35:31,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:31,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:35:31,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:31,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:35:31,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:35:31,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,858 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:31,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:35:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:32,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:32,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:32,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:35:32,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:35:32,745 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:32,745 INFO L139 ounterexampleChecker]: Examining path program with hash -1368390123, occurence #1 [2024-11-23 11:35:32,745 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:32,745 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:32,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:32,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1761553406, now seen corresponding path program 2 times [2024-11-23 11:35:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121618229] [2024-11-23 11:35:32,747 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:35:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:32,783 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:35:32,783 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:35:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:33,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:33,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121618229] [2024-11-23 11:35:33,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121618229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:33,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:33,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 11:35:33,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68321562] [2024-11-23 11:35:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:33,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:35:33,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:33,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:35:33,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:35:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:33,095 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:33,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:35:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:33,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:35:33,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:35:33,502 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:33,502 INFO L139 ounterexampleChecker]: Examining path program with hash 1559330971, occurence #1 [2024-11-23 11:35:33,502 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:33,502 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:33,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:33,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1547534396, now seen corresponding path program 3 times [2024-11-23 11:35:33,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:33,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587923005] [2024-11-23 11:35:33,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:35:33,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:33,530 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 11:35:33,530 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:35:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:33,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:33,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587923005] [2024-11-23 11:35:33,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587923005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:33,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:33,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 11:35:33,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822335470] [2024-11-23 11:35:33,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:33,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:35:33,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:33,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:35:33,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:35:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:33,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:33,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:35:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:34,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-23 11:35:34,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-23 11:35:34,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-23 11:35:34,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-23 11:35:34,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:35:34,131 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-23 11:35:34,135 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:35:34,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:35:34,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-23 11:35:34,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:35:34 BasicIcfg [2024-11-23 11:35:34,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:35:34,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:35:34,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:35:34,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:35:34,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:29" (3/4) ... [2024-11-23 11:35:34,158 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 11:35:34,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 11:35:34,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 11:35:34,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 11:35:34,168 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-23 11:35:34,168 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-23 11:35:34,168 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 11:35:34,168 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 11:35:34,249 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:35:34,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:35:34,250 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:35:34,251 INFO L158 Benchmark]: Toolchain (without parser) took 6223.33ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.7MB in the beginning and 245.9MB in the end (delta: -129.3MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. [2024-11-23 11:35:34,252 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:35:34,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.36ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 96.0MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:35:34,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.93ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:35:34,253 INFO L158 Benchmark]: Boogie Preprocessor took 39.33ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.5MB in the end (delta: 998.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:35:34,254 INFO L158 Benchmark]: RCFGBuilder took 592.15ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 75.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:35:34,255 INFO L158 Benchmark]: TraceAbstraction took 4710.82ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.7MB in the beginning and 250.0MB in the end (delta: -175.3MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2024-11-23 11:35:34,255 INFO L158 Benchmark]: Witness Printer took 96.32ms. Allocated memory is still 427.8MB. Free memory was 250.0MB in the beginning and 245.9MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:35:34,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.36ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 96.0MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.93ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.33ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.5MB in the end (delta: 998.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 592.15ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 75.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4710.82ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.7MB in the beginning and 250.0MB in the end (delta: -175.3MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. * Witness Printer took 96.32ms. Allocated memory is still 427.8MB. Free memory was 250.0MB in the beginning and 245.9MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9836, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 194, dependent conditional: 175, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9836, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 194, dependent conditional: 175, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9836, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 194, dependent conditional: 175, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11090, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 1448, dependent conditional: 1429, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11090, independent: 9642, independent conditional: 314, independent unconditional: 9328, dependent: 1448, dependent conditional: 42, dependent unconditional: 1406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11090, independent: 9642, independent conditional: 314, independent unconditional: 9328, dependent: 1448, dependent conditional: 42, dependent unconditional: 1406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, independent: 699, independent conditional: 10, independent unconditional: 689, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, independent: 396, independent conditional: 263, independent unconditional: 134, dependent: 698, dependent conditional: 50, dependent unconditional: 648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11090, independent: 8943, independent conditional: 304, independent unconditional: 8639, dependent: 1426, dependent conditional: 39, dependent unconditional: 1387, unknown: 721, unknown conditional: 13, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 699, Positive conditional cache size: 10, Positive unconditional cache size: 689, Negative cache size: 22, Negative conditional cache size: 3, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10026, Maximal queried relation: 4, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 701, Number of trivial persistent sets: 385, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 708, independent: 689, independent conditional: 0, independent unconditional: 689, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9836, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 194, dependent conditional: 175, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9836, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 194, dependent conditional: 175, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9836, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 194, dependent conditional: 175, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11090, independent: 9642, independent conditional: 8953, independent unconditional: 689, dependent: 1448, dependent conditional: 1429, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11090, independent: 9642, independent conditional: 314, independent unconditional: 9328, dependent: 1448, dependent conditional: 42, dependent unconditional: 1406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11090, independent: 9642, independent conditional: 314, independent unconditional: 9328, dependent: 1448, dependent conditional: 42, dependent unconditional: 1406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, independent: 699, independent conditional: 10, independent unconditional: 689, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, independent: 396, independent conditional: 263, independent unconditional: 134, dependent: 698, dependent conditional: 50, dependent unconditional: 648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11090, independent: 8943, independent conditional: 304, independent unconditional: 8639, dependent: 1426, dependent conditional: 39, dependent unconditional: 1387, unknown: 721, unknown conditional: 13, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 699, Positive conditional cache size: 10, Positive unconditional cache size: 689, Negative cache size: 22, Negative conditional cache size: 3, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10026, Maximal queried relation: 4, Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 11:35:34,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372f17fd-d543-4058-98e5-7186eabdad86/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE