./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.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_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:56:24,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:56:24,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:56:24,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:56:24,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:56:25,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:56:25,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:56:25,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:56:25,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:56:25,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:56:25,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:56:25,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:56:25,055 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:56:25,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:56:25,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:56:25,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:56:25,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:56:25,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:56:25,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:56:25,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:56:25,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:56:25,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:56:25,058 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:56:25,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:56:25,059 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:56:25,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:56:25,059 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:56:25,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:56:25,059 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:56:25,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:25,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:25,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:25,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:56:25,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:25,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:25,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:25,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:56:25,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:56:25,061 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:56:25,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:56:25,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:56:25,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:56:25,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:56:25,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:56:25,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:56:25,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:56:25,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 [2024-11-28 02:56:25,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:56:25,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:56:25,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:56:25,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:56:25,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:56:25,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-11-28 02:56:28,389 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/data/67d4f22c0/8afdc42530a24998b82fb641a893cf70/FLAG00b1334ba [2024-11-28 02:56:28,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:56:28,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-11-28 02:56:28,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/data/67d4f22c0/8afdc42530a24998b82fb641a893cf70/FLAG00b1334ba [2024-11-28 02:56:28,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/data/67d4f22c0/8afdc42530a24998b82fb641a893cf70 [2024-11-28 02:56:28,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:56:28,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:56:28,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:28,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:56:28,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:56:28,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:28" (1/1) ... [2024-11-28 02:56:28,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561c4f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:28, skipping insertion in model container [2024-11-28 02:56:28,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:28" (1/1) ... [2024-11-28 02:56:28,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:56:29,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:29,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:56:29,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:29,522 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:56:29,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29 WrapperNode [2024-11-28 02:56:29,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:29,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:29,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:56:29,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:56:29,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,629 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 506 [2024-11-28 02:56:29,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:29,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:56:29,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:56:29,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:56:29,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:56:29,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:56:29,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:56:29,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:56:29,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:29,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:29,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:56:29,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb1fa22-4858-45be-91a4-c908fdcc0bad/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:56:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:56:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:56:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:56:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:56:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:56:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:56:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 02:56:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 02:56:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 02:56:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 02:56:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:56:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:56:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:56:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:56:29,776 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:56:30,036 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:56:30,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:56:31,829 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:56:31,830 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:56:36,035 WARN L170 LargeBlockEncoding]: Complex 2:68 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-28 02:56:36,514 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:56:36,514 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:56:36,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:36 BoogieIcfgContainer [2024-11-28 02:56:36,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:56:36,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:56:36,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:56:36,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:56:36,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:28" (1/3) ... [2024-11-28 02:56:36,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0d7d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:36, skipping insertion in model container [2024-11-28 02:56:36,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29" (2/3) ... [2024-11-28 02:56:36,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0d7d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:36, skipping insertion in model container [2024-11-28 02:56:36,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:36" (3/3) ... [2024-11-28 02:56:36,526 INFO L128 eAbstractionObserver]: Analyzing ICFG mix026_power.opt_tso.opt.i [2024-11-28 02:56:36,544 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:56:36,549 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix026_power.opt_tso.opt.i that has 5 procedures, 385 locations, 1 initial locations, 0 loop locations, and 255 error locations. [2024-11-28 02:56:36,549 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:56:36,981 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:56:37,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 455 transitions, 926 flow [2024-11-28 02:56:37,490 INFO L124 PetriNetUnfolderBase]: 71/451 cut-off events. [2024-11-28 02:56:37,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:56:37,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 451 events. 71/451 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 2200 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 413. Up to 2 conditions per place. [2024-11-28 02:56:37,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 397 places, 455 transitions, 926 flow [2024-11-28 02:56:37,581 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 393 places, 451 transitions, 914 flow [2024-11-28 02:56:37,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:56:37,619 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=PETRI_NET, 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;@661e63e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:56:37,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 476 error locations. [2024-11-28 02:56:37,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:56:37,638 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-28 02:56:37,638 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:56:37,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:37,639 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:37,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 472 more)] === [2024-11-28 02:56:37,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash 832755288, now seen corresponding path program 1 times [2024-11-28 02:56:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:37,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229879547] [2024-11-28 02:56:37,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:37,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:56:37,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:37,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229879547] [2024-11-28 02:56:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229879547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:37,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:37,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:56:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129635076] [2024-11-28 02:56:37,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:37,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:56:37,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:38,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:56:38,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:56:38,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 455 [2024-11-28 02:56:38,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 451 transitions, 914 flow. Second operand has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-28 02:56:38,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:38,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 455 [2024-11-28 02:56:38,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:53,394 INFO L124 PetriNetUnfolderBase]: 7941/21025 cut-off events. [2024-11-28 02:56:53,395 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-11-28 02:56:53,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31746 conditions, 21025 events. 7941/21025 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 245254 event pairs, 7310 based on Foata normal form. 1747/20766 useless extension candidates. Maximal degree in co-relation 31693. Up to 10466 conditions per place. [2024-11-28 02:56:53,598 INFO L140 encePairwiseOnDemand]: 132/455 looper letters, 24 selfloop transitions, 0 changer transitions 0/126 dead transitions. [2024-11-28 02:56:53,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 126 transitions, 312 flow [2024-11-28 02:56:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:56:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 02:56:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 561 transitions. [2024-11-28 02:56:53,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6164835164835165 [2024-11-28 02:56:53,633 INFO L175 Difference]: Start difference. First operand has 393 places, 451 transitions, 914 flow. Second operand 2 states and 561 transitions. [2024-11-28 02:56:53,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 126 transitions, 312 flow [2024-11-28 02:56:53,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 126 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:56:53,650 INFO L231 Difference]: Finished difference. Result has 135 places, 126 transitions, 260 flow [2024-11-28 02:56:53,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=260, PETRI_PLACES=135, PETRI_TRANSITIONS=126} [2024-11-28 02:56:53,660 INFO L279 CegarLoopForPetriNet]: 393 programPoint places, -258 predicate places. [2024-11-28 02:56:53,661 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 126 transitions, 260 flow [2024-11-28 02:56:53,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-28 02:56:53,662 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:53,662 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:53,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:56:53,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 472 more)] === [2024-11-28 02:56:53,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1428541418, now seen corresponding path program 1 times [2024-11-28 02:56:53,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:53,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80386974] [2024-11-28 02:56:53,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:56:53,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:53,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80386974] [2024-11-28 02:56:53,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80386974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:53,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:53,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:53,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366953435] [2024-11-28 02:56:53,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:53,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:53,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:53,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:53,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:53,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 455 [2024-11-28 02:56:53,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-11-28 02:56:53,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:53,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 455 [2024-11-28 02:56:53,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:10,559 INFO L124 PetriNetUnfolderBase]: 12061/30284 cut-off events. [2024-11-28 02:57:10,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:57:10,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46322 conditions, 30284 events. 12061/30284 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 344484 event pairs, 3490 based on Foata normal form. 0/27506 useless extension candidates. Maximal degree in co-relation 46319. Up to 10640 conditions per place. [2024-11-28 02:57:10,724 INFO L140 encePairwiseOnDemand]: 453/455 looper letters, 42 selfloop transitions, 1 changer transitions 0/142 dead transitions. [2024-11-28 02:57:10,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 142 transitions, 378 flow [2024-11-28 02:57:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2024-11-28 02:57:10,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2608058608058608 [2024-11-28 02:57:10,729 INFO L175 Difference]: Start difference. First operand has 135 places, 126 transitions, 260 flow. Second operand 3 states and 356 transitions. [2024-11-28 02:57:10,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 142 transitions, 378 flow [2024-11-28 02:57:10,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 142 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:10,733 INFO L231 Difference]: Finished difference. Result has 136 places, 125 transitions, 260 flow [2024-11-28 02:57:10,735 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=136, PETRI_TRANSITIONS=125} [2024-11-28 02:57:10,736 INFO L279 CegarLoopForPetriNet]: 393 programPoint places, -257 predicate places. [2024-11-28 02:57:10,737 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 125 transitions, 260 flow [2024-11-28 02:57:10,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-11-28 02:57:10,737 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:10,737 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:10,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:57:10,738 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 472 more)] === [2024-11-28 02:57:10,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 348002268, now seen corresponding path program 1 times [2024-11-28 02:57:10,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:10,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137192154] [2024-11-28 02:57:10,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:10,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:11,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:11,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137192154] [2024-11-28 02:57:11,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137192154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:11,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:11,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112136790] [2024-11-28 02:57:11,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:11,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:11,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:11,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:11,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:11,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 455 [2024-11-28 02:57:11,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 125 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2024-11-28 02:57:11,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:11,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 455 [2024-11-28 02:57:11,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand