./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_61-invariant_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_61-invariant_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC --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 b4399e58ed3ca9c75e2a61372e91a4308548a0e79a3eb4428d85990bd71242f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:47,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:47,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 22:34:47,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:47,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:47,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:47,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:47,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:47,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:47,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:47,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:47,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:47,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:47,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:47,217 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:47,218 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:47,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:47,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:47,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:47,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:47,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:47,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:47,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:47,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:47,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:47,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:47,220 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_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC 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 -> b4399e58ed3ca9c75e2a61372e91a4308548a0e79a3eb4428d85990bd71242f7 [2024-11-23 22:34:47,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:47,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:47,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:47,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:47,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:47,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/28-race_reach_61-invariant_racing.i [2024-11-23 22:34:50,538 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/data/ac95016dd/1ac6375d86ac4336a04e20e74dacf4d2/FLAG9fd1c6198 [2024-11-23 22:34:50,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:50,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/sv-benchmarks/c/goblint-regression/28-race_reach_61-invariant_racing.i [2024-11-23 22:34:50,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/data/ac95016dd/1ac6375d86ac4336a04e20e74dacf4d2/FLAG9fd1c6198 [2024-11-23 22:34:51,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/data/ac95016dd/1ac6375d86ac4336a04e20e74dacf4d2 [2024-11-23 22:34:51,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:51,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:51,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:51,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:51,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:51,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66886db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51, skipping insertion in model container [2024-11-23 22:34:51,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:51,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:51,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:34:51,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:51,771 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:34:51,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51 WrapperNode [2024-11-23 22:34:51,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:51,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:51,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:34:51,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:34:51,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,849 INFO L138 Inliner]: procedures = 171, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2024-11-23 22:34:51,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:51,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:34:51,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:34:51,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:34:51,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,878 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:34:51,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:34:51,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:34:51,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:34:51,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:51,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:51,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:34:51,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72460d3-40c7-4e19-8902-acc0471cc18e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:34:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 22:34:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 22:34:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:34:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:34:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:34:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 22:34:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 22:34:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:34:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 22:34:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:34:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:34:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:34:51,985 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:34:52,176 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:34:52,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:34:52,617 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:34:52,617 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:34:52,699 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:34:52,700 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-23 22:34:52,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:52 BoogieIcfgContainer [2024-11-23 22:34:52,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:34:52,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:34:52,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:34:52,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:34:52,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:51" (1/3) ... [2024-11-23 22:34:52,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f465efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:52, skipping insertion in model container [2024-11-23 22:34:52,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (2/3) ... [2024-11-23 22:34:52,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f465efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:52, skipping insertion in model container [2024-11-23 22:34:52,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:52" (3/3) ... [2024-11-23 22:34:52,713 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_61-invariant_racing.i [2024-11-23 22:34:52,731 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:34:52,733 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_61-invariant_racing.i that has 2 procedures, 173 locations, 1 initial locations, 9 loop locations, and 12 error locations. [2024-11-23 22:34:52,734 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:34:52,869 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 22:34:52,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 193 transitions, 393 flow [2024-11-23 22:34:53,088 INFO L124 PetriNetUnfolderBase]: 32/292 cut-off events. [2024-11-23 22:34:53,092 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:34:53,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 292 events. 32/292 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1110 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 162. Up to 6 conditions per place. [2024-11-23 22:34:53,110 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 193 transitions, 393 flow [2024-11-23 22:34:53,119 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 176 places, 193 transitions, 393 flow [2024-11-23 22:34:53,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:34:53,148 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;@788c001a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:34:53,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-23 22:34:53,162 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:34:53,163 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-11-23 22:34:53,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:34:53,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:53,164 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] [2024-11-23 22:34:53,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-23 22:34:53,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash 635130544, now seen corresponding path program 1 times [2024-11-23 22:34:53,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:53,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617814900] [2024-11-23 22:34:53,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617814900] [2024-11-23 22:34:53,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617814900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:53,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:53,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:34:53,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208257643] [2024-11-23 22:34:53,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:53,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:34:53,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:53,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:34:53,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:53,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 193 [2024-11-23 22:34:53,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 193 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:53,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:34:53,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 193 [2024-11-23 22:34:53,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:34:54,034 INFO L124 PetriNetUnfolderBase]: 122/1132 cut-off events. [2024-11-23 22:34:54,036 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-23 22:34:54,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 1132 events. 122/1132 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7223 event pairs, 88 based on Foata normal form. 141/1159 useless extension candidates. Maximal degree in co-relation 1334. Up to 256 conditions per place. [2024-11-23 22:34:54,052 INFO L140 encePairwiseOnDemand]: 172/193 looper letters, 34 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2024-11-23 22:34:54,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 183 transitions, 445 flow [2024-11-23 22:34:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:34:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:34:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2024-11-23 22:34:54,072 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8739205526770294 [2024-11-23 22:34:54,076 INFO L175 Difference]: Start difference. First operand has 176 places, 193 transitions, 393 flow. Second operand 3 states and 506 transitions. [2024-11-23 22:34:54,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 183 transitions, 445 flow [2024-11-23 22:34:54,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 183 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 22:34:54,091 INFO L231 Difference]: Finished difference. Result has 177 places, 173 transitions, 361 flow [2024-11-23 22:34:54,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=177, PETRI_TRANSITIONS=173} [2024-11-23 22:34:54,099 INFO L279 CegarLoopForPetriNet]: 176 programPoint places, 1 predicate places. [2024-11-23 22:34:54,100 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 173 transitions, 361 flow [2024-11-23 22:34:54,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:54,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:54,100 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] [2024-11-23 22:34:54,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:34:54,104 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-23 22:34:54,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:54,104 INFO L85 PathProgramCache]: Analyzing trace with hash 166973466, now seen corresponding path program 1 times [2024-11-23 22:34:54,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:54,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583370170] [2024-11-23 22:34:54,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:54,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:54,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:54,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583370170] [2024-11-23 22:34:54,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583370170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:54,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:54,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:34:54,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634858154] [2024-11-23 22:34:54,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:54,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:34:54,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:54,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:34:54,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:55,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 193 [2024-11-23 22:34:55,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 173 transitions, 361 flow. Second operand has 6 states, 6 states have (on average 137.5) internal successors, (825), 6 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:55,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:34:55,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 193 [2024-11-23 22:34:55,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:34:55,617 INFO L124 PetriNetUnfolderBase]: 225/1386 cut-off events. [2024-11-23 22:34:55,617 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-23 22:34:55,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1909 conditions, 1386 events. 225/1386 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9461 event pairs, 138 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 1824. Up to 369 conditions per place. [2024-11-23 22:34:55,627 INFO L140 encePairwiseOnDemand]: 187/193 looper letters, 72 selfloop transitions, 5 changer transitions 0/212 dead transitions. [2024-11-23 22:34:55,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 212 transitions, 593 flow [2024-11-23 22:34:55,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:34:55,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 22:34:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 894 transitions. [2024-11-23 22:34:55,631 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.772020725388601 [2024-11-23 22:34:55,632 INFO L175 Difference]: Start difference. First operand has 177 places, 173 transitions, 361 flow. Second operand 6 states and 894 transitions. [2024-11-23 22:34:55,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 212 transitions, 593 flow [2024-11-23 22:34:55,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 212 transitions, 589 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:34:55,643 INFO L231 Difference]: Finished difference. Result has 179 places, 172 transitions, 365 flow [2024-11-23 22:34:55,644 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=365, PETRI_PLACES=179, PETRI_TRANSITIONS=172} [2024-11-23 22:34:55,645 INFO L279 CegarLoopForPetriNet]: 176 programPoint places, 3 predicate places. [2024-11-23 22:34:55,645 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 172 transitions, 365 flow [2024-11-23 22:34:55,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.5) internal successors, (825), 6 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:55,646 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:55,647 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] [2024-11-23 22:34:55,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:34:55,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-23 22:34:55,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash 695282721, now seen corresponding path program 1 times [2024-11-23 22:34:55,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:55,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525817686] [2024-11-23 22:34:55,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:55,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:55,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:55,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525817686] [2024-11-23 22:34:55,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525817686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:55,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:55,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:34:55,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569254510] [2024-11-23 22:34:55,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:55,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:34:55,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:55,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:34:55,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:55,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 193 [2024-11-23 22:34:55,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 172 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:55,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:34:55,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 193 [2024-11-23 22:34:55,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:34:56,248 INFO L124 PetriNetUnfolderBase]: 423/2416 cut-off events. [2024-11-23 22:34:56,248 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-23 22:34:56,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2416 events. 423/2416 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 18570 event pairs, 160 based on Foata normal form. 0/2200 useless extension candidates. Maximal degree in co-relation 3300. Up to 544 conditions per place. [2024-11-23 22:34:56,263 INFO L140 encePairwiseOnDemand]: 171/193 looper letters, 61 selfloop transitions, 16 changer transitions 0/207 dead transitions. [2024-11-23 22:34:56,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 207 transitions, 592 flow [2024-11-23 22:34:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:34:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:34:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2024-11-23 22:34:56,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8272884283246977 [2024-11-23 22:34:56,267 INFO L175 Difference]: Start difference. First operand has 179 places, 172 transitions, 365 flow. Second operand 3 states and 479 transitions. [2024-11-23 22:34:56,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 207 transitions, 592 flow [2024-11-23 22:34:56,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 207 transitions, 582 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 22:34:56,273 INFO L231 Difference]: Finished difference. Result has 178 places, 188 transitions, 495 flow [2024-11-23 22:34:56,275 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=178, PETRI_TRANSITIONS=188} [2024-11-23 22:34:56,276 INFO L279 CegarLoopForPetriNet]: 176 programPoint places, 2 predicate places. [2024-11-23 22:34:56,276 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 188 transitions, 495 flow [2024-11-23 22:34:56,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:56,277 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:56,277 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:56,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:34:56,277 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-23 22:34:56,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:56,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1704400394, now seen corresponding path program 1 times [2024-11-23 22:34:56,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:56,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145686104] [2024-11-23 22:34:56,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:56,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:34:56,326 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:34:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:34:56,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:34:56,377 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:34:56,378 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining) [2024-11-23 22:34:56,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2024-11-23 22:34:56,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2024-11-23 22:34:56,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2024-11-23 22:34:56,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:34:56,383 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 22:34:56,385 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 22:34:56,386 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-23 22:34:56,434 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 22:34:56,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 255 transitions, 526 flow [2024-11-23 22:34:56,523 INFO L124 PetriNetUnfolderBase]: 54/481 cut-off events. [2024-11-23 22:34:56,524 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-23 22:34:56,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 481 events. 54/481 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2089 event pairs, 0 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 294. Up to 9 conditions per place. [2024-11-23 22:34:56,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 232 places, 255 transitions, 526 flow [2024-11-23 22:34:56,535 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 255 transitions, 526 flow [2024-11-23 22:34:56,536 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:34:56,548 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;@788c001a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:34:56,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-23 22:34:56,553 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:34:56,556 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-11-23 22:34:56,556 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:34:56,556 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:56,556 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] [2024-11-23 22:34:56,556 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-23 22:34:56,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:56,557 INFO L85 PathProgramCache]: Analyzing trace with hash -746254160, now seen corresponding path program 1 times [2024-11-23 22:34:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:56,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359692991] [2024-11-23 22:34:56,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:56,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:56,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359692991] [2024-11-23 22:34:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359692991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:56,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:56,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:34:56,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835493921] [2024-11-23 22:34:56,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:56,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:34:56,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:56,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:34:56,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:56,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 255 [2024-11-23 22:34:56,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 255 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:56,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:34:56,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 255 [2024-11-23 22:34:56,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:34:59,144 INFO L124 PetriNetUnfolderBase]: 3074/12520 cut-off events. [2024-11-23 22:34:59,144 INFO L125 PetriNetUnfolderBase]: For 109/109 co-relation queries the response was YES. [2024-11-23 22:34:59,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17237 conditions, 12520 events. 3074/12520 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 137293 event pairs, 2580 based on Foata normal form. 2223/13469 useless extension candidates. Maximal degree in co-relation 12801. Up to 4643 conditions per place. [2024-11-23 22:34:59,290 INFO L140 encePairwiseOnDemand]: 228/255 looper letters, 47 selfloop transitions, 2 changer transitions 0/240 dead transitions. [2024-11-23 22:34:59,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 240 transitions, 594 flow [2024-11-23 22:34:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:34:59,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:34:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2024-11-23 22:34:59,293 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8588235294117647 [2024-11-23 22:34:59,293 INFO L175 Difference]: Start difference. First operand has 232 places, 255 transitions, 526 flow. Second operand 3 states and 657 transitions. [2024-11-23 22:34:59,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 240 transitions, 594 flow [2024-11-23 22:34:59,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 240 transitions, 594 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 22:34:59,298 INFO L231 Difference]: Finished difference. Result has 233 places, 230 transitions, 486 flow [2024-11-23 22:34:59,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=233, PETRI_TRANSITIONS=230} [2024-11-23 22:34:59,299 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, 1 predicate places. [2024-11-23 22:34:59,300 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 230 transitions, 486 flow [2024-11-23 22:34:59,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:59,300 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:59,301 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] [2024-11-23 22:34:59,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:34:59,301 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-23 22:34:59,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:59,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1712140089, now seen corresponding path program 1 times [2024-11-23 22:34:59,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:59,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797087977] [2024-11-23 22:34:59,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:59,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:59,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797087977] [2024-11-23 22:34:59,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797087977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:59,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:59,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:34:59,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239864645] [2024-11-23 22:34:59,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:59,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:34:59,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:59,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:34:59,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:59,993 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 255 [2024-11-23 22:34:59,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 230 transitions, 486 flow. Second operand has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:34:59,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:34:59,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 255 [2024-11-23 22:34:59,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:35:03,407 INFO L124 PetriNetUnfolderBase]: 5303/19145 cut-off events. [2024-11-23 22:35:03,408 INFO L125 PetriNetUnfolderBase]: For 285/285 co-relation queries the response was YES. [2024-11-23 22:35:03,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27899 conditions, 19145 events. 5303/19145 cut-off events. For 285/285 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 222876 event pairs, 500 based on Foata normal form. 0/17668 useless extension candidates. Maximal degree in co-relation 20339. Up to 6346 conditions per place. [2024-11-23 22:35:03,536 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 124 selfloop transitions, 6 changer transitions 0/309 dead transitions. [2024-11-23 22:35:03,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 309 transitions, 904 flow [2024-11-23 22:35:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:35:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 22:35:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1210 transitions. [2024-11-23 22:35:03,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7908496732026143 [2024-11-23 22:35:03,545 INFO L175 Difference]: Start difference. First operand has 233 places, 230 transitions, 486 flow. Second operand 6 states and 1210 transitions. [2024-11-23 22:35:03,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 309 transitions, 904 flow [2024-11-23 22:35:03,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 309 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:35:03,557 INFO L231 Difference]: Finished difference. Result has 236 places, 229 transitions, 494 flow [2024-11-23 22:35:03,557 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=494, PETRI_PLACES=236, PETRI_TRANSITIONS=229} [2024-11-23 22:35:03,558 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, 4 predicate places. [2024-11-23 22:35:03,559 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 229 transitions, 494 flow [2024-11-23 22:35:03,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:03,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:35:03,561 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] [2024-11-23 22:35:03,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:35:03,561 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-23 22:35:03,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash -82759676, now seen corresponding path program 1 times [2024-11-23 22:35:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:03,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999918974] [2024-11-23 22:35:03,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:35:03,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:03,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999918974] [2024-11-23 22:35:03,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999918974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:03,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:03,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:35:03,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177649508] [2024-11-23 22:35:03,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:03,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:03,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:03,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:03,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:03,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 255 [2024-11-23 22:35:03,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 229 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:03,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:35:03,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 255 [2024-11-23 22:35:03,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:35:11,243 INFO L124 PetriNetUnfolderBase]: 23170/71698 cut-off events. [2024-11-23 22:35:11,243 INFO L125 PetriNetUnfolderBase]: For 513/513 co-relation queries the response was YES. [2024-11-23 22:35:11,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109009 conditions, 71698 events. 23170/71698 cut-off events. For 513/513 co-relation queries the response was YES. Maximal size of possible extension queue 1222. Compared 938651 event pairs, 8784 based on Foata normal form. 0/64847 useless extension candidates. Maximal degree in co-relation 55105. Up to 22148 conditions per place. [2024-11-23 22:35:11,657 INFO L140 encePairwiseOnDemand]: 222/255 looper letters, 96 selfloop transitions, 24 changer transitions 0/284 dead transitions. [2024-11-23 22:35:11,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 284 transitions, 855 flow [2024-11-23 22:35:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:11,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:35:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2024-11-23 22:35:11,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8156862745098039 [2024-11-23 22:35:11,661 INFO L175 Difference]: Start difference. First operand has 236 places, 229 transitions, 494 flow. Second operand 3 states and 624 transitions. [2024-11-23 22:35:11,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 284 transitions, 855 flow [2024-11-23 22:35:11,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 284 transitions, 843 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 22:35:11,675 INFO L231 Difference]: Finished difference. Result has 235 places, 253 transitions, 692 flow [2024-11-23 22:35:11,676 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=235, PETRI_TRANSITIONS=253} [2024-11-23 22:35:11,676 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, 3 predicate places. [2024-11-23 22:35:11,677 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 253 transitions, 692 flow [2024-11-23 22:35:11,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:11,678 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:35:11,678 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] [2024-11-23 22:35:11,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:35:11,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-23 22:35:11,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 981316531, now seen corresponding path program 1 times [2024-11-23 22:35:11,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:11,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679703839] [2024-11-23 22:35:11,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:35:11,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:11,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679703839] [2024-11-23 22:35:11,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679703839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:11,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:11,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:35:11,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137249545] [2024-11-23 22:35:11,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:11,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:35:11,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:11,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:35:11,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:11,876 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 255 [2024-11-23 22:35:11,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 253 transitions, 692 flow. Second operand has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:11,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:35:11,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 255 [2024-11-23 22:35:11,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:35:14,253 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][138], [247#(= |#race~x~0| 0), 231#true, 78#L708-25true, 233#true, 250#true, 79#L708-5true, Black: 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:14,253 INFO L294 olderBase$Statistics]: this new event has 105 ancestors and is cut-off event [2024-11-23 22:35:14,253 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2024-11-23 22:35:14,253 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2024-11-23 22:35:14,254 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2024-11-23 22:35:14,547 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][138], [247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, 79#L708-5true, Black: 245#true, 82#L708-26true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:14,547 INFO L294 olderBase$Statistics]: this new event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,547 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,547 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,547 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,606 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][138], [132#L708-6true, 247#(= |#race~x~0| 0), 231#true, 78#L708-25true, 233#true, 250#true, Black: 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:14,606 INFO L294 olderBase$Statistics]: this new event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,606 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,606 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,606 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-23 22:35:14,673 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][138], [132#L708-6true, 247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, 82#L708-26true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:14,673 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2024-11-23 22:35:14,673 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-23 22:35:14,673 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-23 22:35:14,673 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-23 22:35:14,756 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 233#true, 78#L708-25true, 250#true, Black: 247#(= |#race~x~0| 0), 91#L713-17true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,757 INFO L294 olderBase$Statistics]: this new event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,757 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,757 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,757 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,758 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [231#true, 193#L708-36true, 233#true, Black: 247#(= |#race~x~0| 0), 250#true, 79#L708-5true, 91#L713-17true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,758 INFO L294 olderBase$Statistics]: this new event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,758 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,758 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,758 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-23 22:35:14,836 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [247#(= |#race~x~0| 0), 231#true, 233#true, 78#L708-25true, 250#true, Black: 245#true, 68#L708-10true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:14,837 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,837 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,837 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,837 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,837 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 44#L713-18true, 233#true, 78#L708-25true, 250#true, Black: 247#(= |#race~x~0| 0), 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,837 INFO L294 olderBase$Statistics]: this new event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,837 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,837 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,838 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,839 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 91#L713-17true, 245#true, 82#L708-26true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,839 INFO L294 olderBase$Statistics]: this new event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,839 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,839 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,839 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,839 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [132#L708-6true, 231#true, 193#L708-36true, 233#true, Black: 247#(= |#race~x~0| 0), 250#true, 91#L713-17true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,839 INFO L294 olderBase$Statistics]: this new event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,839 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,840 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,840 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,841 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [231#true, 193#L708-36true, 44#L713-18true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 79#L708-5true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,841 INFO L294 olderBase$Statistics]: this new event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,841 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,841 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,841 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-23 22:35:14,917 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 78#L708-25true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 166#L714-41true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,917 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,917 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,917 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,917 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,918 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 44#L713-18true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 245#true, 82#L708-26true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,918 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,918 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,918 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,918 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,919 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [132#L708-6true, 231#true, 44#L713-18true, 193#L708-36true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,919 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,919 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,919 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,919 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][138], [132#L708-6true, 247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, 202#L714-5true, 121#L708-30true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,920 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [231#true, 193#L708-36true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 79#L708-5true, 166#L714-41true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:14,920 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,920 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:14,921 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-23 22:35:15,003 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, 82#L708-26true, 68#L708-10true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:15,003 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,003 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,003 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,003 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,023 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, 79#L708-5true, Black: 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 121#L708-30true, 202#L714-5true]) [2024-11-23 22:35:15,023 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is not cut-off event [2024-11-23 22:35:15,023 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is not cut-off event [2024-11-23 22:35:15,023 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is not cut-off event [2024-11-23 22:35:15,023 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is not cut-off event [2024-11-23 22:35:15,034 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 233#true, Black: 247#(= |#race~x~0| 0), 250#true, 166#L714-41true, 245#true, 82#L708-26true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:15,034 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,035 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,035 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,035 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,036 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [132#L708-6true, 193#L708-36true, 231#true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 166#L714-41true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:15,036 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,036 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,036 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,036 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-23 22:35:15,102 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, 68#L708-10true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true, 188#t_funErr3ASSERT_VIOLATIONDATA_RACEtrue]) [2024-11-23 22:35:15,102 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,102 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,102 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,102 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,115 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [132#L708-6true, 247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true, 121#L708-30true]) [2024-11-23 22:35:15,115 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,115 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,116 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,116 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,123 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, 97#t_funErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true, 121#L708-30true]) [2024-11-23 22:35:15,123 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,123 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,123 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,124 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2024-11-23 22:35:15,137 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 233#true, 78#L708-25true, Black: 247#(= |#race~x~0| 0), 3#L714-3true, 250#true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:15,137 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,137 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,137 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,138 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,139 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [231#true, 193#L708-36true, 233#true, Black: 247#(= |#race~x~0| 0), 250#true, 79#L708-5true, 3#L714-3true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:15,140 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,140 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,140 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,140 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-23 22:35:15,243 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L708-13-->L708-16: Formula: (and (= (store |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54| (store (select |v_#pthreadsMutex_146| |v_~#__global_lock~0.base_54|) |v_~#__global_lock~0.offset_54| 0)) |v_#pthreadsMutex_145|) (= |v_t_funThread1of2ForFork0_#t~ret12_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_146|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of2ForFork0_#t~ret12=|v_t_funThread1of2ForFork0_#t~ret12_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_54|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~ret12][193], [33#L708-16true, 231#true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 3#L714-3true, 245#true, 82#L708-26true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:15,243 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,243 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,243 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,243 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,244 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([915] L708-33-->L708-36: Formula: (and (= (store |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62| (store (select |v_#pthreadsMutex_162| |v_~#__global_lock~0.base_62|) |v_~#__global_lock~0.offset_62| 0)) |v_#pthreadsMutex_161|) (= 0 |v_t_funThread2of2ForFork0_#t~ret16_1|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, t_funThread2of2ForFork0_#t~ret16=|v_t_funThread2of2ForFork0_#t~ret16_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_62|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_62|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of2ForFork0_#t~ret16][253], [132#L708-6true, 231#true, 193#L708-36true, 233#true, 250#true, Black: 247#(= |#race~x~0| 0), 3#L714-3true, 245#true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-23 22:35:15,245 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,245 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,245 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,245 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-23 22:35:15,595 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([662] L714-4-->L714-5: Formula: (= |v_#race~x~0_1| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_1|} AuxVars[] AssignedVars[#race~x~0][114], [247#(= |#race~x~0| 0), 231#true, 233#true, 250#true, Black: 245#true, 68#L708-10true, 121#L708-30true, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 202#L714-5true]) [2024-11-23 22:35:15,595 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is not cut-off event [2024-11-23 22:35:15,595 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is not cut-off event [2024-11-23 22:35:15,596 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is not cut-off event [2024-11-23 22:35:15,596 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is not cut-off event [2024-11-23 22:35:18,983 INFO L124 PetriNetUnfolderBase]: 14268/61155 cut-off events. [2024-11-23 22:35:18,983 INFO L125 PetriNetUnfolderBase]: For 4593/4981 co-relation queries the response was YES. [2024-11-23 22:35:19,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93607 conditions, 61155 events. 14268/61155 cut-off events. For 4593/4981 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 868422 event pairs, 6138 based on Foata normal form. 11/55446 useless extension candidates. Maximal degree in co-relation 84537. Up to 15201 conditions per place. [2024-11-23 22:35:19,452 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 88 selfloop transitions, 5 changer transitions 0/305 dead transitions. [2024-11-23 22:35:19,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 305 transitions, 982 flow [2024-11-23 22:35:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:35:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 22:35:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1234 transitions. [2024-11-23 22:35:19,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8065359477124183 [2024-11-23 22:35:19,457 INFO L175 Difference]: Start difference. First operand has 235 places, 253 transitions, 692 flow. Second operand 6 states and 1234 transitions. [2024-11-23 22:35:19,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 305 transitions, 982 flow [2024-11-23 22:35:19,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 305 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:35:19,513 INFO L231 Difference]: Finished difference. Result has 241 places, 255 transitions, 670 flow [2024-11-23 22:35:19,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=670, PETRI_PLACES=241, PETRI_TRANSITIONS=255} [2024-11-23 22:35:19,515 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, 9 predicate places. [2024-11-23 22:35:19,515 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 255 transitions, 670 flow [2024-11-23 22:35:19,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:19,516 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:35:19,516 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] [2024-11-23 22:35:19,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:35:19,517 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-23 22:35:19,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:19,517 INFO L85 PathProgramCache]: Analyzing trace with hash 803350712, now seen corresponding path program 1 times [2024-11-23 22:35:19,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:19,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107489987] [2024-11-23 22:35:19,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:19,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 22:35:19,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:19,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107489987] [2024-11-23 22:35:19,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107489987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:19,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:19,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:19,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024244077] [2024-11-23 22:35:19,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:19,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:19,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:19,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:19,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:19,629 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 255 [2024-11-23 22:35:19,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 255 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:19,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:35:19,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 255 [2024-11-23 22:35:19,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:35:26,676 INFO L124 PetriNetUnfolderBase]: 17540/66414 cut-off events. [2024-11-23 22:35:26,676 INFO L125 PetriNetUnfolderBase]: For 925/1747 co-relation queries the response was YES. [2024-11-23 22:35:26,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100204 conditions, 66414 events. 17540/66414 cut-off events. For 925/1747 co-relation queries the response was YES. Maximal size of possible extension queue 1336. Compared 938614 event pairs, 8624 based on Foata normal form. 24/59306 useless extension candidates. Maximal degree in co-relation 100081. Up to 17636 conditions per place. [2024-11-23 22:35:27,157 INFO L140 encePairwiseOnDemand]: 244/255 looper letters, 70 selfloop transitions, 9 changer transitions 0/289 dead transitions. [2024-11-23 22:35:27,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 289 transitions, 898 flow [2024-11-23 22:35:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:35:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2024-11-23 22:35:27,159 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8392156862745098 [2024-11-23 22:35:27,159 INFO L175 Difference]: Start difference. First operand has 241 places, 255 transitions, 670 flow. Second operand 3 states and 642 transitions. [2024-11-23 22:35:27,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 289 transitions, 898 flow [2024-11-23 22:35:27,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 289 transitions, 892 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-23 22:35:27,169 INFO L231 Difference]: Finished difference. Result has 242 places, 260 transitions, 724 flow [2024-11-23 22:35:27,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=242, PETRI_TRANSITIONS=260} [2024-11-23 22:35:27,170 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, 10 predicate places. [2024-11-23 22:35:27,170 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 260 transitions, 724 flow [2024-11-23 22:35:27,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:27,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:35:27,171 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:27,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:35:27,172 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-23 22:35:27,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:27,172 INFO L85 PathProgramCache]: Analyzing trace with hash -928644419, now seen corresponding path program 1 times [2024-11-23 22:35:27,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:27,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759155172] [2024-11-23 22:35:27,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:27,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:35:27,202 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:35:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:35:27,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:35:27,233 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:35:27,233 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-11-23 22:35:27,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-11-23 22:35:27,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-11-23 22:35:27,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-11-23 22:35:27,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-11-23 22:35:27,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-11-23 22:35:27,234 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-11-23 22:35:27,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:35:27,235 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-23 22:35:27,236 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 22:35:27,236 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-23 22:35:27,281 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 22:35:27,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 288 places, 317 transitions, 661 flow [2024-11-23 22:35:27,387 INFO L124 PetriNetUnfolderBase]: 81/715 cut-off events. [2024-11-23 22:35:27,388 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-23 22:35:27,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 715 events. 81/715 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3283 event pairs, 1 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 489. Up to 16 conditions per place. [2024-11-23 22:35:27,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 288 places, 317 transitions, 661 flow [2024-11-23 22:35:27,401 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 288 places, 317 transitions, 661 flow [2024-11-23 22:35:27,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:27,403 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;@788c001a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:27,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-23 22:35:27,406 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:35:27,407 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-11-23 22:35:27,407 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:35:27,407 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:35:27,407 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] [2024-11-23 22:35:27,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-23 22:35:27,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:27,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1376701104, now seen corresponding path program 1 times [2024-11-23 22:35:27,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:27,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932705194] [2024-11-23 22:35:27,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:27,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:35:27,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:27,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932705194] [2024-11-23 22:35:27,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932705194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:27,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:27,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:27,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233418434] [2024-11-23 22:35:27,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:27,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:27,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:27,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:27,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:27,490 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 317 [2024-11-23 22:35:27,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 317 transitions, 661 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:27,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:35:27,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 317 [2024-11-23 22:35:27,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand