./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.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_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/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_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/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_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/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 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:53:27,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:53:28,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:53:28,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:53:28,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:53:28,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:53:28,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:53:28,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:53:28,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:53:28,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:53:28,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:53:28,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:53:28,146 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:53:28,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:53:28,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:53:28,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:53:28,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:53:28,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:53:28,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:53:28,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:53:28,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:53:28,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:53:28,149 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:53:28,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:53:28,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:53:28,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:53:28,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:53:28,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:53:28,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:53:28,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:53:28,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:53:28,150 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:53:28,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:53:28,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:53:28,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:53:28,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:53:28,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:53:28,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:53:28,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:53:28,152 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_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/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 -> 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 [2024-11-28 02:53:28,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:53:28,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:53:28,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:53:28,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:53:28,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:53:28,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:53:31,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/data/04231baf7/f11b7483a8cf4205843b0887c681728f/FLAG995771306 [2024-11-28 02:53:32,387 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:53:32,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:53:32,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/data/04231baf7/f11b7483a8cf4205843b0887c681728f/FLAG995771306 [2024-11-28 02:53:32,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/data/04231baf7/f11b7483a8cf4205843b0887c681728f [2024-11-28 02:53:32,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:53:32,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:53:32,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:53:32,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:53:32,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:53:32,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:53:32" (1/1) ... [2024-11-28 02:53:32,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bead49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:32, skipping insertion in model container [2024-11-28 02:53:32,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:53:32" (1/1) ... [2024-11-28 02:53:32,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:53:33,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:53:33,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:53:33,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:53:33,186 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:53:33,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33 WrapperNode [2024-11-28 02:53:33,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:53:33,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:53:33,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:53:33,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:53:33,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,278 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 951 [2024-11-28 02:53:33,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:53:33,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:53:33,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:53:33,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:53:33,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:53:33,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:53:33,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:53:33,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:53:33,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (1/1) ... [2024-11-28 02:53:33,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:53:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:53:33,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:53:33,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5882485f-33b9-4fdc-ac34-93dde0f6dc2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:53:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:53:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:53:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:53:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:53:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:53:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:53:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 02:53:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 02:53:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 02:53:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 02:53:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:53:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:53:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:53:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:53:33,470 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 02:53:33,814 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:53:33,817 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:53:35,685 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:53:35,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:53:41,527 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:53:41,528 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:53:41,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:53:41 BoogieIcfgContainer [2024-11-28 02:53:41,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:53:41,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:53:41,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:53:41,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:53:41,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:53:32" (1/3) ... [2024-11-28 02:53:41,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d026b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:53:41, skipping insertion in model container [2024-11-28 02:53:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:33" (2/3) ... [2024-11-28 02:53:41,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d026b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:53:41, skipping insertion in model container [2024-11-28 02:53:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:53:41" (3/3) ... [2024-11-28 02:53:41,539 INFO L128 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:53:41,558 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:53:41,559 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix030_power.opt_pso.opt_rmo.opt.i that has 5 procedures, 381 locations, 1 initial locations, 0 loop locations, and 253 error locations. [2024-11-28 02:53:41,560 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:53:41,780 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:53:41,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 393 places, 383 transitions, 782 flow [2024-11-28 02:53:42,063 INFO L124 PetriNetUnfolderBase]: 3/379 cut-off events. [2024-11-28 02:53:42,065 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:53:42,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 379 events. 3/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2030 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 343. Up to 2 conditions per place. [2024-11-28 02:53:42,085 INFO L82 GeneralOperation]: Start removeDead. Operand has 393 places, 383 transitions, 782 flow [2024-11-28 02:53:42,109 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 389 places, 379 transitions, 770 flow [2024-11-28 02:53:42,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:53:42,135 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;@2e35d79a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:53:42,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 378 error locations. [2024-11-28 02:53:42,151 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:53:42,151 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-28 02:53:42,151 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:53:42,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:53:42,152 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] [2024-11-28 02:53:42,152 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 374 more)] === [2024-11-28 02:53:42,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1325555352, now seen corresponding path program 1 times [2024-11-28 02:53:42,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:53:42,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565909883] [2024-11-28 02:53:42,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:53:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:42,548 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 02:53:42,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:53:42,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565909883] [2024-11-28 02:53:42,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565909883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:42,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:42,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:53:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924988686] [2024-11-28 02:53:42,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:42,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:53:42,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:53:42,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:53:42,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:53:42,600 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 383 [2024-11-28 02:53:42,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 379 transitions, 770 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 02:53:42,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:53:42,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 383 [2024-11-28 02:53:42,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:53:52,753 INFO L124 PetriNetUnfolderBase]: 7310/20392 cut-off events. [2024-11-28 02:53:52,753 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-11-28 02:53:52,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30482 conditions, 20392 events. 7310/20392 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 244420 event pairs, 7310 based on Foata normal form. 1747/20764 useless extension candidates. Maximal degree in co-relation 30431. Up to 9835 conditions per place. [2024-11-28 02:53:52,907 INFO L140 encePairwiseOnDemand]: 129/383 looper letters, 23 selfloop transitions, 0 changer transitions 0/123 dead transitions. [2024-11-28 02:53:52,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 123 transitions, 304 flow [2024-11-28 02:53:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:53:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 02:53:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 487 transitions. [2024-11-28 02:53:52,931 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6357702349869452 [2024-11-28 02:53:52,934 INFO L175 Difference]: Start difference. First operand has 389 places, 379 transitions, 770 flow. Second operand 2 states and 487 transitions. [2024-11-28 02:53:52,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 123 transitions, 304 flow [2024-11-28 02:53:52,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 123 transitions, 300 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:53:52,944 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 254 flow [2024-11-28 02:53:52,947 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=254, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2024-11-28 02:53:52,950 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -256 predicate places. [2024-11-28 02:53:52,951 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 254 flow [2024-11-28 02:53:52,951 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 02:53:52,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:53:52,954 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] [2024-11-28 02:53:52,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:53:52,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 374 more)] === [2024-11-28 02:53:52,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash 859052447, now seen corresponding path program 1 times [2024-11-28 02:53:52,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:53:52,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813543702] [2024-11-28 02:53:52,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:52,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:53:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:53,158 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 02:53:53,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:53:53,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813543702] [2024-11-28 02:53:53,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813543702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:53,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:53,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:53:53,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621933139] [2024-11-28 02:53:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:53:53,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:53:53,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:53:53,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:53,168 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 383 [2024-11-28 02:53:53,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 254 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 02:53:53,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:53:53,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 383 [2024-11-28 02:53:53,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:54:01,095 INFO L124 PetriNetUnfolderBase]: 11130/29351 cut-off events. [2024-11-28 02:54:01,095 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:54:01,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44458 conditions, 29351 events. 11130/29351 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 343361 event pairs, 3490 based on Foata normal form. 0/27504 useless extension candidates. Maximal degree in co-relation 44455. Up to 10040 conditions per place. [2024-11-28 02:54:01,251 INFO L140 encePairwiseOnDemand]: 381/383 looper letters, 40 selfloop transitions, 1 changer transitions 0/138 dead transitions. [2024-11-28 02:54:01,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 138 transitions, 366 flow [2024-11-28 02:54:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:54:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:54:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-11-28 02:54:01,254 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3028720626631854 [2024-11-28 02:54:01,255 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 254 flow. Second operand 3 states and 348 transitions. [2024-11-28 02:54:01,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 138 transitions, 366 flow [2024-11-28 02:54:01,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 138 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:54:01,258 INFO L231 Difference]: Finished difference. Result has 134 places, 122 transitions, 254 flow [2024-11-28 02:54:01,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=134, PETRI_TRANSITIONS=122} [2024-11-28 02:54:01,259 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -255 predicate places. [2024-11-28 02:54:01,259 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 122 transitions, 254 flow [2024-11-28 02:54:01,260 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 02:54:01,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:54:01,260 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] [2024-11-28 02:54:01,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:54:01,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 374 more)] === [2024-11-28 02:54:01,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:54:01,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1412131073, now seen corresponding path program 1 times [2024-11-28 02:54:01,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:54:01,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122629698] [2024-11-28 02:54:01,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:54:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:54:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:54:01,611 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 02:54:01,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:54:01,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122629698] [2024-11-28 02:54:01,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122629698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:54:01,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:54:01,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:54:01,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721322895] [2024-11-28 02:54:01,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:54:01,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:54:01,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:54:01,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:54:01,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:54:01,616 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 383 [2024-11-28 02:54:01,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 254 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 02:54:01,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:54:01,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 383 [2024-11-28 02:54:01,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand