./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix027_tso.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_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/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_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/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_104e2b46-501f-4d6e-b0ed-5b398ca528cc/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 ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:46:07,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:07,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:46:07,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:07,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:07,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:07,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:07,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:07,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:46:07,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:46:07,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:07,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:07,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:07,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:07,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:07,802 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:46:07,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:07,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:07,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:07,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:07,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:07,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:07,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:07,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:46:07,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:46:07,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:46:07,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:46:07,804 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_104e2b46-501f-4d6e-b0ed-5b398ca528cc/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 -> ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d [2024-11-28 02:46:08,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:08,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:08,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:08,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:08,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:08,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix027_tso.i [2024-11-28 02:46:11,141 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/data/fe5c1e194/5bbed513a92e4c54acb1d05524e0a4bd/FLAG94e5c8faa [2024-11-28 02:46:11,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:11,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/sv-benchmarks/c/pthread-wmm/mix027_tso.i [2024-11-28 02:46:11,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/data/fe5c1e194/5bbed513a92e4c54acb1d05524e0a4bd/FLAG94e5c8faa [2024-11-28 02:46:11,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/data/fe5c1e194/5bbed513a92e4c54acb1d05524e0a4bd [2024-11-28 02:46:11,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:11,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:11,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:11,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:11,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:11,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:11" (1/1) ... [2024-11-28 02:46:11,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40737407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:11, skipping insertion in model container [2024-11-28 02:46:11,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:11" (1/1) ... [2024-11-28 02:46:11,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:12,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:12,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:12,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:12,487 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:12,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12 WrapperNode [2024-11-28 02:46:12,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:12,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:12,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:12,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:12,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,557 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 954 [2024-11-28 02:46:12,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:12,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:12,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:12,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:12,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:12,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:12,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:12,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:12,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:12,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:12,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:12,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e2b46-501f-4d6e-b0ed-5b398ca528cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:46:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:46:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:46:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:46:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:46:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 02:46:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 02:46:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 02:46:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 02:46:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:46:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:46:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:12,743 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 02:46:13,000 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:13,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:15,103 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:46:15,103 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:20,993 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:20,993 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:46:20,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:20 BoogieIcfgContainer [2024-11-28 02:46:20,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:20,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:20,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:21,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:21,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:11" (1/3) ... [2024-11-28 02:46:21,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520309a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:21, skipping insertion in model container [2024-11-28 02:46:21,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (2/3) ... [2024-11-28 02:46:21,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520309a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:21, skipping insertion in model container [2024-11-28 02:46:21,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:20" (3/3) ... [2024-11-28 02:46:21,004 INFO L128 eAbstractionObserver]: Analyzing ICFG mix027_tso.i [2024-11-28 02:46:21,021 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:21,024 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix027_tso.i that has 5 procedures, 411 locations, 1 initial locations, 0 loop locations, and 282 error locations. [2024-11-28 02:46:21,024 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:46:21,247 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:46:21,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 413 transitions, 842 flow [2024-11-28 02:46:21,566 INFO L124 PetriNetUnfolderBase]: 3/409 cut-off events. [2024-11-28 02:46:21,569 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:21,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 409 events. 3/409 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2209 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 372. Up to 2 conditions per place. [2024-11-28 02:46:21,584 INFO L82 GeneralOperation]: Start removeDead. Operand has 423 places, 413 transitions, 842 flow [2024-11-28 02:46:21,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 409 transitions, 830 flow [2024-11-28 02:46:21,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:46:21,626 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;@41219c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:46:21,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 436 error locations. [2024-11-28 02:46:21,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:46:21,638 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-28 02:46:21,638 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:21,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:21,639 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] [2024-11-28 02:46:21,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 432 more)] === [2024-11-28 02:46:21,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:21,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1793356408, now seen corresponding path program 1 times [2024-11-28 02:46:21,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:21,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79055515] [2024-11-28 02:46:21,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:21,928 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 02:46:21,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:21,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79055515] [2024-11-28 02:46:21,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79055515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:21,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:21,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:46:21,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167876506] [2024-11-28 02:46:21,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:21,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:46:21,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:21,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:46:21,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:46:21,979 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 413 [2024-11-28 02:46:21,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 409 transitions, 830 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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 02:46:21,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:21,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 413 [2024-11-28 02:46:21,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:36,440 INFO L124 PetriNetUnfolderBase]: 9295/25614 cut-off events. [2024-11-28 02:46:36,440 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-28 02:46:36,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38382 conditions, 25614 events. 9295/25614 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1045. Compared 313310 event pairs, 9295 based on Foata normal form. 2193/26114 useless extension candidates. Maximal degree in co-relation 38330. Up to 12451 conditions per place. [2024-11-28 02:46:36,652 INFO L140 encePairwiseOnDemand]: 130/413 looper letters, 24 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2024-11-28 02:46:36,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 124 transitions, 308 flow [2024-11-28 02:46:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:46:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 02:46:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 517 transitions. [2024-11-28 02:46:36,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.62590799031477 [2024-11-28 02:46:36,676 INFO L175 Difference]: Start difference. First operand has 419 places, 409 transitions, 830 flow. Second operand 2 states and 517 transitions. [2024-11-28 02:46:36,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 124 transitions, 308 flow [2024-11-28 02:46:36,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 124 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:46:36,686 INFO L231 Difference]: Finished difference. Result has 134 places, 124 transitions, 256 flow [2024-11-28 02:46:36,691 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=134, PETRI_TRANSITIONS=124} [2024-11-28 02:46:36,697 INFO L279 CegarLoopForPetriNet]: 419 programPoint places, -285 predicate places. [2024-11-28 02:46:36,699 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 124 transitions, 256 flow [2024-11-28 02:46:36,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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 02:46:36,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:36,700 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] [2024-11-28 02:46:36,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:46:36,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 432 more)] === [2024-11-28 02:46:36,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:36,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1108321252, now seen corresponding path program 1 times [2024-11-28 02:46:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817649269] [2024-11-28 02:46:36,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:36,976 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 02:46:36,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:36,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817649269] [2024-11-28 02:46:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817649269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:36,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63650577] [2024-11-28 02:46:36,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:36,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:36,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:36,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:36,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:36,995 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 413 [2024-11-28 02:46:36,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 124 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 02:46:36,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:36,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 413 [2024-11-28 02:46:36,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:48,179 INFO L124 PetriNetUnfolderBase]: 14145/36892 cut-off events. [2024-11-28 02:46:48,179 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:48,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56007 conditions, 36892 events. 14145/36892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1016. Compared 440197 event pairs, 4445 based on Foata normal form. 0/34590 useless extension candidates. Maximal degree in co-relation 56004. Up to 12700 conditions per place. [2024-11-28 02:46:48,392 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 42 selfloop transitions, 1 changer transitions 0/140 dead transitions. [2024-11-28 02:46:48,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 140 transitions, 374 flow [2024-11-28 02:46:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-28 02:46:48,397 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2824858757062147 [2024-11-28 02:46:48,397 INFO L175 Difference]: Start difference. First operand has 134 places, 124 transitions, 256 flow. Second operand 3 states and 350 transitions. [2024-11-28 02:46:48,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 140 transitions, 374 flow [2024-11-28 02:46:48,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 140 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:46:48,401 INFO L231 Difference]: Finished difference. Result has 135 places, 123 transitions, 256 flow [2024-11-28 02:46:48,402 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=135, PETRI_TRANSITIONS=123} [2024-11-28 02:46:48,402 INFO L279 CegarLoopForPetriNet]: 419 programPoint places, -284 predicate places. [2024-11-28 02:46:48,403 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 123 transitions, 256 flow [2024-11-28 02:46:48,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 02:46:48,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:48,403 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] [2024-11-28 02:46:48,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:46:48,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 432 more)] === [2024-11-28 02:46:48,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:48,405 INFO L85 PathProgramCache]: Analyzing trace with hash 571342187, now seen corresponding path program 1 times [2024-11-28 02:46:48,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:48,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753534292] [2024-11-28 02:46:48,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:48,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:48,846 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 02:46:48,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:48,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753534292] [2024-11-28 02:46:48,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753534292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:48,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:48,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:48,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955610801] [2024-11-28 02:46:48,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:48,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:48,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:48,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:48,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:48,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 413 [2024-11-28 02:46:48,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 123 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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 02:46:48,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:48,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 413 [2024-11-28 02:46:48,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand