./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! data-race) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:41:00,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:41:00,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:41:00,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:41:00,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:41:00,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:41:00,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:41:00,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:41:00,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:41:00,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:41:00,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:41:00,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:41:00,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:41:00,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:41:00,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:41:00,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:41:00,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:41:00,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:41:00,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:41:00,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:41:00,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:41:00,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:41:00,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:41:00,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:41:00,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:41:00,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:41:00,453 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-11-07 15:41:00,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:41:00,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:41:00,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:41:00,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:41:00,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:41:00,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-07 15:41:02,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:41:02,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:41:02,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-07 15:41:02,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68207f80b/e7a991c716ae4b8ebfa93bfad6aab254/FLAG69782e5e3 [2024-11-07 15:41:02,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68207f80b/e7a991c716ae4b8ebfa93bfad6aab254 [2024-11-07 15:41:02,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:41:02,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:41:02,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:41:02,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:41:02,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:41:02,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:41:02" (1/1) ... [2024-11-07 15:41:02,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c928fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:02, skipping insertion in model container [2024-11-07 15:41:02,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:41:02" (1/1) ... [2024-11-07 15:41:02,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:41:02,962 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:02,963 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:02,964 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:02,964 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:02,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:41:03,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:41:03,075 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:03,076 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:03,076 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:03,077 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:03,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:41:03,153 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:41:03,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03 WrapperNode [2024-11-07 15:41:03,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:41:03,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:41:03,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:41:03,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:41:03,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,209 INFO L138 Inliner]: procedures = 279, calls = 120, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 383 [2024-11-07 15:41:03,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:41:03,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:41:03,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:41:03,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:41:03,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:41:03,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:41:03,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:41:03,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:41:03,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (1/1) ... [2024-11-07 15:41:03,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:41:03,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:03,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 15:41:03,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 15:41:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:41:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:41:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:41:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:41:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:41:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:41:03,349 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:41:03,505 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:41:03,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:41:04,185 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:41:04,185 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:41:04,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:41:04,230 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-07 15:41:04,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:04 BoogieIcfgContainer [2024-11-07 15:41:04,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:41:04,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:41:04,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:41:04,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:41:04,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:41:02" (1/3) ... [2024-11-07 15:41:04,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331ac86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:04, skipping insertion in model container [2024-11-07 15:41:04,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:03" (2/3) ... [2024-11-07 15:41:04,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331ac86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:04, skipping insertion in model container [2024-11-07 15:41:04,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:04" (3/3) ... [2024-11-07 15:41:04,240 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-11-07 15:41:04,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:41:04,254 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-07 15:41:04,254 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:41:04,426 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 15:41:04,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 408 transitions, 823 flow [2024-11-07 15:41:04,621 INFO L124 PetriNetUnfolderBase]: 27/440 cut-off events. [2024-11-07 15:41:04,622 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:41:04,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 440 events. 27/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 954 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 255. Up to 4 conditions per place. [2024-11-07 15:41:04,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 408 transitions, 823 flow [2024-11-07 15:41:04,646 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 408 transitions, 823 flow [2024-11-07 15:41:04,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:41:04,672 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;@686dc99a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:41:04,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-07 15:41:04,702 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:41:04,702 INFO L124 PetriNetUnfolderBase]: 3/120 cut-off events. [2024-11-07 15:41:04,702 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:41:04,703 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:04,704 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:04,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:04,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2111164425, now seen corresponding path program 1 times [2024-11-07 15:41:04,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:04,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462972134] [2024-11-07 15:41:04,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:04,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:05,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:05,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462972134] [2024-11-07 15:41:05,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462972134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:05,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:05,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:05,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472203661] [2024-11-07 15:41:05,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:05,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:05,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:05,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:06,548 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-07 15:41:06,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 408 transitions, 823 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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) [2024-11-07 15:41:06,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:06,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-07 15:41:06,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:06,897 INFO L124 PetriNetUnfolderBase]: 319/1602 cut-off events. [2024-11-07 15:41:06,897 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-07 15:41:06,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1602 events. 319/1602 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10089 event pairs, 288 based on Foata normal form. 182/1654 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-11-07 15:41:06,910 INFO L140 encePairwiseOnDemand]: 377/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/385 dead transitions. [2024-11-07 15:41:06,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 957 flow [2024-11-07 15:41:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-07 15:41:06,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2024-11-07 15:41:06,938 INFO L175 Difference]: Start difference. First operand has 386 places, 408 transitions, 823 flow. Second operand 6 states and 1887 transitions. [2024-11-07 15:41:06,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 957 flow [2024-11-07 15:41:06,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 957 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:41:06,957 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 797 flow [2024-11-07 15:41:06,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-11-07 15:41:06,966 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-07 15:41:06,966 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 797 flow [2024-11-07 15:41:06,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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) [2024-11-07 15:41:06,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:06,968 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:06,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:41:06,969 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:06,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:06,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1989397352, now seen corresponding path program 1 times [2024-11-07 15:41:06,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:06,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501810983] [2024-11-07 15:41:06,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:06,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:07,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:07,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501810983] [2024-11-07 15:41:07,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501810983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:07,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:07,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:41:07,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840989567] [2024-11-07 15:41:07,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:07,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:41:07,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:07,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:41:07,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:41:07,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-07 15:41:07,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-11-07 15:41:07,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:07,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-07 15:41:07,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:07,223 INFO L124 PetriNetUnfolderBase]: 15/565 cut-off events. [2024-11-07 15:41:07,223 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-07 15:41:07,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 565 events. 15/565 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1665 event pairs, 8 based on Foata normal form. 1/522 useless extension candidates. Maximal degree in co-relation 402. Up to 34 conditions per place. [2024-11-07 15:41:07,226 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-07 15:41:07,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 833 flow [2024-11-07 15:41:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:41:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:41:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-07 15:41:07,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-07 15:41:07,231 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 797 flow. Second operand 3 states and 1134 transitions. [2024-11-07 15:41:07,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 833 flow [2024-11-07 15:41:07,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 813 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:07,243 INFO L231 Difference]: Finished difference. Result has 385 places, 386 transitions, 789 flow [2024-11-07 15:41:07,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=385, PETRI_TRANSITIONS=386} [2024-11-07 15:41:07,244 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-07 15:41:07,245 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 386 transitions, 789 flow [2024-11-07 15:41:07,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-11-07 15:41:07,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:07,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:07,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:41:07,246 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:07,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:07,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1587066118, now seen corresponding path program 1 times [2024-11-07 15:41:07,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:07,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280508587] [2024-11-07 15:41:07,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:07,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:07,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:07,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280508587] [2024-11-07 15:41:07,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280508587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:07,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:07,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:07,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006263919] [2024-11-07 15:41:07,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:07,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:07,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:07,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:07,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:08,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-07 15:41:08,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 386 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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) [2024-11-07 15:41:08,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:08,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-07 15:41:08,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:08,950 INFO L124 PetriNetUnfolderBase]: 320/1724 cut-off events. [2024-11-07 15:41:08,951 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-07 15:41:08,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1724 events. 320/1724 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10820 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-11-07 15:41:08,961 INFO L140 encePairwiseOnDemand]: 396/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/384 dead transitions. [2024-11-07 15:41:08,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 965 flow [2024-11-07 15:41:08,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2024-11-07 15:41:08,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7630718954248366 [2024-11-07 15:41:08,967 INFO L175 Difference]: Start difference. First operand has 385 places, 386 transitions, 789 flow. Second operand 6 states and 1868 transitions. [2024-11-07 15:41:08,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 965 flow [2024-11-07 15:41:08,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 963 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:08,974 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 803 flow [2024-11-07 15:41:08,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-07 15:41:08,975 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-07 15:41:08,976 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 803 flow [2024-11-07 15:41:08,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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) [2024-11-07 15:41:08,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:08,977 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:08,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:41:08,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:08,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:08,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1252746799, now seen corresponding path program 1 times [2024-11-07 15:41:08,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:08,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664790370] [2024-11-07 15:41:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:08,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:09,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:09,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664790370] [2024-11-07 15:41:09,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664790370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:09,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:09,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:09,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192573335] [2024-11-07 15:41:09,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:09,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:09,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:09,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:09,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:09,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-07 15:41:09,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 803 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 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) [2024-11-07 15:41:09,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:09,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-07 15:41:09,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:10,287 INFO L124 PetriNetUnfolderBase]: 320/1722 cut-off events. [2024-11-07 15:41:10,287 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-07 15:41:10,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1722 events. 320/1722 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10837 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-11-07 15:41:10,298 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-07 15:41:10,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 985 flow [2024-11-07 15:41:10,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-07 15:41:10,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-07 15:41:10,305 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 803 flow. Second operand 6 states and 1863 transitions. [2024-11-07 15:41:10,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 985 flow [2024-11-07 15:41:10,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:10,314 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 791 flow [2024-11-07 15:41:10,315 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-07 15:41:10,316 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-07 15:41:10,316 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 791 flow [2024-11-07 15:41:10,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 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) [2024-11-07 15:41:10,317 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:10,318 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:10,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:41:10,318 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:10,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:10,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1507353856, now seen corresponding path program 1 times [2024-11-07 15:41:10,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:10,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022383586] [2024-11-07 15:41:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:10,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:10,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:10,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022383586] [2024-11-07 15:41:10,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022383586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:10,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:10,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:41:10,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248819025] [2024-11-07 15:41:10,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:10,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:41:10,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:10,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:41:10,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:41:10,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-07 15:41:10,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-11-07 15:41:10,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:10,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-07 15:41:10,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:10,552 INFO L124 PetriNetUnfolderBase]: 15/747 cut-off events. [2024-11-07 15:41:10,552 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-07 15:41:10,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 747 events. 15/747 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1629 event pairs, 8 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 593. Up to 38 conditions per place. [2024-11-07 15:41:10,556 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-07 15:41:10,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 827 flow [2024-11-07 15:41:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:41:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:41:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-07 15:41:10,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-07 15:41:10,560 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 791 flow. Second operand 3 states and 1134 transitions. [2024-11-07 15:41:10,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 827 flow [2024-11-07 15:41:10,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 817 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:10,567 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 793 flow [2024-11-07 15:41:10,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-11-07 15:41:10,570 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-07 15:41:10,571 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 793 flow [2024-11-07 15:41:10,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-11-07 15:41:10,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:10,574 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:10,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:41:10,575 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:10,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1474208170, now seen corresponding path program 1 times [2024-11-07 15:41:10,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:10,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605578508] [2024-11-07 15:41:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:10,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:11,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:11,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605578508] [2024-11-07 15:41:11,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605578508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:11,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:11,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:11,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949758063] [2024-11-07 15:41:11,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:11,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:11,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:11,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:11,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:11,747 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 408 [2024-11-07 15:41:11,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2024-11-07 15:41:11,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:11,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 408 [2024-11-07 15:41:11,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:11,913 INFO L124 PetriNetUnfolderBase]: 83/1061 cut-off events. [2024-11-07 15:41:11,913 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-11-07 15:41:11,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1061 events. 83/1061 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3662 event pairs, 64 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-11-07 15:41:11,918 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-07 15:41:11,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 925 flow [2024-11-07 15:41:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1988 transitions. [2024-11-07 15:41:11,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120915032679739 [2024-11-07 15:41:11,922 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 793 flow. Second operand 6 states and 1988 transitions. [2024-11-07 15:41:11,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 925 flow [2024-11-07 15:41:11,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:11,933 INFO L231 Difference]: Finished difference. Result has 387 places, 383 transitions, 799 flow [2024-11-07 15:41:11,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=387, PETRI_TRANSITIONS=383} [2024-11-07 15:41:11,934 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-07 15:41:11,934 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 383 transitions, 799 flow [2024-11-07 15:41:11,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2024-11-07 15:41:11,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:11,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:11,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:41:11,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:11,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:11,937 INFO L85 PathProgramCache]: Analyzing trace with hash 935654986, now seen corresponding path program 1 times [2024-11-07 15:41:11,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:11,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049603620] [2024-11-07 15:41:11,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:11,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:12,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:12,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049603620] [2024-11-07 15:41:12,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049603620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:12,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:12,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:12,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540781053] [2024-11-07 15:41:12,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:12,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:12,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:12,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:12,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:12,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-07 15:41:12,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 383 transitions, 799 flow. Second operand has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 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) [2024-11-07 15:41:12,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:12,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-07 15:41:12,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:13,317 INFO L124 PetriNetUnfolderBase]: 320/1902 cut-off events. [2024-11-07 15:41:13,319 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-07 15:41:13,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1902 events. 320/1902 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10742 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-11-07 15:41:13,325 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-11-07 15:41:13,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 382 transitions, 981 flow [2024-11-07 15:41:13,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-07 15:41:13,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-07 15:41:13,331 INFO L175 Difference]: Start difference. First operand has 387 places, 383 transitions, 799 flow. Second operand 6 states and 1863 transitions. [2024-11-07 15:41:13,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 382 transitions, 981 flow [2024-11-07 15:41:13,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 971 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:13,338 INFO L231 Difference]: Finished difference. Result has 386 places, 382 transitions, 797 flow [2024-11-07 15:41:13,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=386, PETRI_TRANSITIONS=382} [2024-11-07 15:41:13,340 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-07 15:41:13,340 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 382 transitions, 797 flow [2024-11-07 15:41:13,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 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) [2024-11-07 15:41:13,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:13,342 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:13,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:41:13,342 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:13,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:13,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1837573129, now seen corresponding path program 1 times [2024-11-07 15:41:13,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:13,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399487899] [2024-11-07 15:41:13,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:13,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:13,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:13,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399487899] [2024-11-07 15:41:13,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399487899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:13,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:13,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110027049] [2024-11-07 15:41:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:13,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:13,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:13,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:13,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:14,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-07 15:41:14,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 382 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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) [2024-11-07 15:41:14,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:14,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-07 15:41:14,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:14,799 INFO L124 PetriNetUnfolderBase]: 320/1898 cut-off events. [2024-11-07 15:41:14,800 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-07 15:41:14,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1898 events. 320/1898 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10747 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-11-07 15:41:14,811 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-11-07 15:41:14,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 381 transitions, 971 flow [2024-11-07 15:41:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:41:14,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-07 15:41:14,818 INFO L175 Difference]: Start difference. First operand has 386 places, 382 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:41:14,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 381 transitions, 971 flow [2024-11-07 15:41:14,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 381 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:14,824 INFO L231 Difference]: Finished difference. Result has 385 places, 381 transitions, 795 flow [2024-11-07 15:41:14,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=385, PETRI_TRANSITIONS=381} [2024-11-07 15:41:14,827 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-07 15:41:14,827 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 381 transitions, 795 flow [2024-11-07 15:41:14,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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) [2024-11-07 15:41:14,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:14,830 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:14,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:41:14,830 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:14,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:14,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1457234093, now seen corresponding path program 1 times [2024-11-07 15:41:14,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:14,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300323232] [2024-11-07 15:41:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:15,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:15,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300323232] [2024-11-07 15:41:15,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300323232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:15,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:15,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:15,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12870942] [2024-11-07 15:41:15,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:15,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:15,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:15,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:15,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-07 15:41:15,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 381 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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) [2024-11-07 15:41:15,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:15,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-07 15:41:15,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:16,066 INFO L124 PetriNetUnfolderBase]: 320/1894 cut-off events. [2024-11-07 15:41:16,067 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-07 15:41:16,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 1894 events. 320/1894 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10706 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-11-07 15:41:16,077 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-11-07 15:41:16,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 380 transitions, 969 flow [2024-11-07 15:41:16,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:41:16,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-07 15:41:16,083 INFO L175 Difference]: Start difference. First operand has 385 places, 381 transitions, 795 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:41:16,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 380 transitions, 969 flow [2024-11-07 15:41:16,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:16,090 INFO L231 Difference]: Finished difference. Result has 384 places, 380 transitions, 793 flow [2024-11-07 15:41:16,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=380} [2024-11-07 15:41:16,092 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-07 15:41:16,093 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 380 transitions, 793 flow [2024-11-07 15:41:16,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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) [2024-11-07 15:41:16,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:16,094 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:16,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:41:16,094 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:16,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1516935485, now seen corresponding path program 1 times [2024-11-07 15:41:16,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:16,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128588334] [2024-11-07 15:41:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:16,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:16,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:16,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128588334] [2024-11-07 15:41:16,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128588334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:16,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:16,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:16,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540386181] [2024-11-07 15:41:16,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:16,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:16,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:17,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 408 [2024-11-07 15:41:17,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 380 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 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) [2024-11-07 15:41:17,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:17,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 408 [2024-11-07 15:41:17,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:17,394 INFO L124 PetriNetUnfolderBase]: 320/1890 cut-off events. [2024-11-07 15:41:17,395 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-07 15:41:17,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 1890 events. 320/1890 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10719 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-11-07 15:41:17,403 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 88 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-11-07 15:41:17,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 379 transitions, 977 flow [2024-11-07 15:41:17,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1858 transitions. [2024-11-07 15:41:17,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7589869281045751 [2024-11-07 15:41:17,409 INFO L175 Difference]: Start difference. First operand has 384 places, 380 transitions, 793 flow. Second operand 6 states and 1858 transitions. [2024-11-07 15:41:17,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 379 transitions, 977 flow [2024-11-07 15:41:17,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:17,416 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 791 flow [2024-11-07 15:41:17,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2024-11-07 15:41:17,418 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-11-07 15:41:17,418 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 791 flow [2024-11-07 15:41:17,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 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) [2024-11-07 15:41:17,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:17,420 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:17,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:41:17,421 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:17,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:17,421 INFO L85 PathProgramCache]: Analyzing trace with hash 689314316, now seen corresponding path program 1 times [2024-11-07 15:41:17,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:17,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081813694] [2024-11-07 15:41:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:17,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:17,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081813694] [2024-11-07 15:41:17,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081813694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:17,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400057057] [2024-11-07 15:41:17,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:17,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:17,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:17,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:17,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 15:41:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:17,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:41:17,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:18,092 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:18,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400057057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:18,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:18,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:41:18,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753915929] [2024-11-07 15:41:18,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:18,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:41:18,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:18,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:41:18,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:41:18,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-07 15:41:18,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 791 flow. Second operand has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 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) [2024-11-07 15:41:18,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:18,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-07 15:41:18,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:18,520 INFO L124 PetriNetUnfolderBase]: 15/911 cut-off events. [2024-11-07 15:41:18,520 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-07 15:41:18,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 911 events. 15/911 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1033 event pairs, 8 based on Foata normal form. 4/889 useless extension candidates. Maximal degree in co-relation 799. Up to 38 conditions per place. [2024-11-07 15:41:18,523 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 19 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2024-11-07 15:41:18,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 387 transitions, 865 flow [2024-11-07 15:41:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:41:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:41:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3351 transitions. [2024-11-07 15:41:18,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9125816993464052 [2024-11-07 15:41:18,530 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 791 flow. Second operand 9 states and 3351 transitions. [2024-11-07 15:41:18,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 387 transitions, 865 flow [2024-11-07 15:41:18,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 387 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:18,535 INFO L231 Difference]: Finished difference. Result has 389 places, 385 transitions, 831 flow [2024-11-07 15:41:18,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=831, PETRI_PLACES=389, PETRI_TRANSITIONS=385} [2024-11-07 15:41:18,536 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 3 predicate places. [2024-11-07 15:41:18,536 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 385 transitions, 831 flow [2024-11-07 15:41:18,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 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) [2024-11-07 15:41:18,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:18,538 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:18,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 15:41:18,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 15:41:18,743 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:18,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1039848228, now seen corresponding path program 2 times [2024-11-07 15:41:18,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:18,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257508100] [2024-11-07 15:41:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:18,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-07 15:41:19,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:19,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257508100] [2024-11-07 15:41:19,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257508100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:19,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225593514] [2024-11-07 15:41:19,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:41:19,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:19,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:19,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:19,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 15:41:19,473 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:41:19,474 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:41:19,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 15:41:19,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:19,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 15:41:19,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-07 15:41:19,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:19,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-07 15:41:19,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:19,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-07 15:41:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-07 15:41:19,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:41:19,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225593514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:19,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:41:19,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-07 15:41:19,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825327922] [2024-11-07 15:41:19,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:19,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 15:41:19,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 15:41:19,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-07 15:41:20,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 408 [2024-11-07 15:41:20,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 385 transitions, 831 flow. Second operand has 8 states, 8 states have (on average 297.125) internal successors, (2377), 8 states have internal predecessors, (2377), 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) [2024-11-07 15:41:20,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:20,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 408 [2024-11-07 15:41:20,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:20,997 INFO L124 PetriNetUnfolderBase]: 628/3191 cut-off events. [2024-11-07 15:41:20,997 INFO L125 PetriNetUnfolderBase]: For 32/48 co-relation queries the response was YES. [2024-11-07 15:41:21,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4706 conditions, 3191 events. 628/3191 cut-off events. For 32/48 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19804 event pairs, 468 based on Foata normal form. 3/2959 useless extension candidates. Maximal degree in co-relation 4042. Up to 1044 conditions per place. [2024-11-07 15:41:21,012 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 168 selfloop transitions, 10 changer transitions 0/466 dead transitions. [2024-11-07 15:41:21,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 466 transitions, 1349 flow [2024-11-07 15:41:21,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 15:41:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 15:41:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2508 transitions. [2024-11-07 15:41:21,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7683823529411765 [2024-11-07 15:41:21,019 INFO L175 Difference]: Start difference. First operand has 389 places, 385 transitions, 831 flow. Second operand 8 states and 2508 transitions. [2024-11-07 15:41:21,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 466 transitions, 1349 flow [2024-11-07 15:41:21,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 466 transitions, 1343 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:21,027 INFO L231 Difference]: Finished difference. Result has 400 places, 391 transitions, 884 flow [2024-11-07 15:41:21,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=884, PETRI_PLACES=400, PETRI_TRANSITIONS=391} [2024-11-07 15:41:21,028 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 14 predicate places. [2024-11-07 15:41:21,029 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 391 transitions, 884 flow [2024-11-07 15:41:21,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 297.125) internal successors, (2377), 8 states have internal predecessors, (2377), 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) [2024-11-07 15:41:21,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:21,030 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:21,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 15:41:21,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:21,231 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:21,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:21,234 INFO L85 PathProgramCache]: Analyzing trace with hash 338817365, now seen corresponding path program 1 times [2024-11-07 15:41:21,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:21,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518009081] [2024-11-07 15:41:21,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:21,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-07 15:41:21,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:21,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518009081] [2024-11-07 15:41:21,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518009081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:21,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295051671] [2024-11-07 15:41:21,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:21,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:21,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 15:41:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:22,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:41:22,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 15:41:22,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:22,875 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 15:41:22,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295051671] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:22,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:22,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-07 15:41:22,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673275975] [2024-11-07 15:41:22,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:22,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 15:41:22,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:22,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 15:41:22,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-07 15:41:22,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 408 [2024-11-07 15:41:22,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 391 transitions, 884 flow. Second operand has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 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) [2024-11-07 15:41:22,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:22,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 408 [2024-11-07 15:41:22,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:24,294 INFO L124 PetriNetUnfolderBase]: 24/2415 cut-off events. [2024-11-07 15:41:24,294 INFO L125 PetriNetUnfolderBase]: For 85/88 co-relation queries the response was YES. [2024-11-07 15:41:24,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2754 conditions, 2415 events. 24/2415 cut-off events. For 85/88 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1826 event pairs, 9 based on Foata normal form. 13/2391 useless extension candidates. Maximal degree in co-relation 2342. Up to 52 conditions per place. [2024-11-07 15:41:24,306 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 51 selfloop transitions, 68 changer transitions 0/477 dead transitions. [2024-11-07 15:41:24,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 477 transitions, 1532 flow [2024-11-07 15:41:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-07 15:41:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-07 15:41:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23001 transitions. [2024-11-07 15:41:24,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8948412698412699 [2024-11-07 15:41:24,336 INFO L175 Difference]: Start difference. First operand has 400 places, 391 transitions, 884 flow. Second operand 63 states and 23001 transitions. [2024-11-07 15:41:24,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 477 transitions, 1532 flow [2024-11-07 15:41:24,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 477 transitions, 1525 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:41:24,345 INFO L231 Difference]: Finished difference. Result has 476 places, 453 transitions, 1397 flow [2024-11-07 15:41:24,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1397, PETRI_PLACES=476, PETRI_TRANSITIONS=453} [2024-11-07 15:41:24,347 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 90 predicate places. [2024-11-07 15:41:24,347 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 453 transitions, 1397 flow [2024-11-07 15:41:24,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 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) [2024-11-07 15:41:24,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:24,351 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:24,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 15:41:24,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:24,551 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:24,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash -31882471, now seen corresponding path program 2 times [2024-11-07 15:41:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490027021] [2024-11-07 15:41:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-11-07 15:41:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490027021] [2024-11-07 15:41:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490027021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366853200] [2024-11-07 15:41:27,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:41:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:27,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:27,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 15:41:28,337 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:41:28,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:41:28,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 15:41:28,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:28,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-07 15:41:28,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-07 15:41:28,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:28,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-07 15:41:28,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:28,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-07 15:41:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8255 trivial. 0 not checked. [2024-11-07 15:41:28,596 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:41:28,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366853200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:28,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:41:28,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-07 15:41:28,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783122096] [2024-11-07 15:41:28,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:28,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:28,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:28,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:28,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-07 15:41:28,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 408 [2024-11-07 15:41:28,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 453 transitions, 1397 flow. Second operand has 6 states, 6 states have (on average 301.3333333333333) internal successors, (1808), 6 states have internal predecessors, (1808), 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) [2024-11-07 15:41:28,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:28,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 408 [2024-11-07 15:41:28,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:30,658 INFO L124 PetriNetUnfolderBase]: 739/4858 cut-off events. [2024-11-07 15:41:30,659 INFO L125 PetriNetUnfolderBase]: For 692/708 co-relation queries the response was YES. [2024-11-07 15:41:30,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 4858 events. 739/4858 cut-off events. For 692/708 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22683 event pairs, 323 based on Foata normal form. 41/4688 useless extension candidates. Maximal degree in co-relation 5644. Up to 1916 conditions per place. [2024-11-07 15:41:30,677 INFO L140 encePairwiseOnDemand]: 373/408 looper letters, 127 selfloop transitions, 123 changer transitions 0/601 dead transitions. [2024-11-07 15:41:30,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 601 transitions, 2207 flow [2024-11-07 15:41:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1998 transitions. [2024-11-07 15:41:30,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161764705882353 [2024-11-07 15:41:30,680 INFO L175 Difference]: Start difference. First operand has 476 places, 453 transitions, 1397 flow. Second operand 6 states and 1998 transitions. [2024-11-07 15:41:30,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 601 transitions, 2207 flow [2024-11-07 15:41:30,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 601 transitions, 2131 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-07 15:41:30,705 INFO L231 Difference]: Finished difference. Result has 479 places, 569 transitions, 2125 flow [2024-11-07 15:41:30,706 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1321, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2125, PETRI_PLACES=479, PETRI_TRANSITIONS=569} [2024-11-07 15:41:30,706 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 93 predicate places. [2024-11-07 15:41:30,706 INFO L471 AbstractCegarLoop]: Abstraction has has 479 places, 569 transitions, 2125 flow [2024-11-07 15:41:30,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.3333333333333) internal successors, (1808), 6 states have internal predecessors, (1808), 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) [2024-11-07 15:41:30,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:30,708 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:30,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 15:41:30,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 15:41:30,909 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:30,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:30,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1743570414, now seen corresponding path program 1 times [2024-11-07 15:41:30,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:30,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211079076] [2024-11-07 15:41:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:30,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-07 15:41:32,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:32,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211079076] [2024-11-07 15:41:32,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211079076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:32,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496494708] [2024-11-07 15:41:32,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:32,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:32,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:32,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:32,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 15:41:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:33,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 5674 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 15:41:33,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-07 15:41:34,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-07 15:41:35,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496494708] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:35,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:35,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-07 15:41:35,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134651734] [2024-11-07 15:41:35,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:35,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-07 15:41:35,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:35,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-07 15:41:35,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 15:41:35,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 408 [2024-11-07 15:41:35,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 569 transitions, 2125 flow. Second operand has 35 states, 35 states have (on average 365.51428571428573) internal successors, (12793), 35 states have internal predecessors, (12793), 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) [2024-11-07 15:41:35,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:35,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 408 [2024-11-07 15:41:35,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:38,258 INFO L124 PetriNetUnfolderBase]: 298/5642 cut-off events. [2024-11-07 15:41:38,259 INFO L125 PetriNetUnfolderBase]: For 3677/3678 co-relation queries the response was YES. [2024-11-07 15:41:38,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7801 conditions, 5642 events. 298/5642 cut-off events. For 3677/3678 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9649 event pairs, 0 based on Foata normal form. 34/5583 useless extension candidates. Maximal degree in co-relation 4995. Up to 341 conditions per place. [2024-11-07 15:41:38,270 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 73 selfloop transitions, 140 changer transitions 0/671 dead transitions. [2024-11-07 15:41:38,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 671 transitions, 3312 flow [2024-11-07 15:41:38,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-07 15:41:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2024-11-07 15:41:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 17898 transitions. [2024-11-07 15:41:38,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8952581032412965 [2024-11-07 15:41:38,281 INFO L175 Difference]: Start difference. First operand has 479 places, 569 transitions, 2125 flow. Second operand 49 states and 17898 transitions. [2024-11-07 15:41:38,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 671 transitions, 3312 flow [2024-11-07 15:41:38,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 671 transitions, 3300 flow, removed 6 selfloop flow, removed 0 redundant places. [2024-11-07 15:41:38,305 INFO L231 Difference]: Finished difference. Result has 514 places, 621 transitions, 2947 flow [2024-11-07 15:41:38,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2062, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=2947, PETRI_PLACES=514, PETRI_TRANSITIONS=621} [2024-11-07 15:41:38,306 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 128 predicate places. [2024-11-07 15:41:38,307 INFO L471 AbstractCegarLoop]: Abstraction has has 514 places, 621 transitions, 2947 flow [2024-11-07 15:41:38,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 365.51428571428573) internal successors, (12793), 35 states have internal predecessors, (12793), 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) [2024-11-07 15:41:38,310 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:38,311 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:38,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 15:41:38,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 15:41:38,512 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:41:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:38,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1149192308, now seen corresponding path program 1 times [2024-11-07 15:41:38,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:38,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465955623] [2024-11-07 15:41:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-07 15:41:49,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:49,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465955623] [2024-11-07 15:41:49,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465955623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:49,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244370262] [2024-11-07 15:41:49,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:49,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:49,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:49,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:49,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 15:41:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:51,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 11581 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 15:41:51,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-07 15:41:52,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:54,527 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-07 15:41:54,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244370262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:54,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:54,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-07 15:41:54,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040037042] [2024-11-07 15:41:54,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:54,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-07 15:41:54,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:54,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-07 15:41:54,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-07 15:41:54,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-07 15:41:54,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 621 transitions, 2947 flow. Second operand has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 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) [2024-11-07 15:41:54,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:54,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-07 15:41:54,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:01,992 INFO L124 PetriNetUnfolderBase]: 198/9488 cut-off events. [2024-11-07 15:42:01,992 INFO L125 PetriNetUnfolderBase]: For 13784/13814 co-relation queries the response was YES. [2024-11-07 15:42:02,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12515 conditions, 9488 events. 198/9488 cut-off events. For 13784/13814 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8896 event pairs, 0 based on Foata normal form. 45/9448 useless extension candidates. Maximal degree in co-relation 10210. Up to 346 conditions per place. [2024-11-07 15:42:02,011 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 94 selfloop transitions, 270 changer transitions 0/827 dead transitions. [2024-11-07 15:42:02,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 827 transitions, 5861 flow [2024-11-07 15:42:02,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-07 15:42:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-07 15:42:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33359 transitions. [2024-11-07 15:42:02,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084694989106754 [2024-11-07 15:42:02,030 INFO L175 Difference]: Start difference. First operand has 514 places, 621 transitions, 2947 flow. Second operand 90 states and 33359 transitions. [2024-11-07 15:42:02,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 827 transitions, 5861 flow [2024-11-07 15:42:02,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 827 transitions, 5745 flow, removed 0 selfloop flow, removed 21 redundant places. [2024-11-07 15:42:02,071 INFO L231 Difference]: Finished difference. Result has 598 places, 759 transitions, 4823 flow [2024-11-07 15:42:02,072 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2831, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4823, PETRI_PLACES=598, PETRI_TRANSITIONS=759} [2024-11-07 15:42:02,073 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 212 predicate places. [2024-11-07 15:42:02,073 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 759 transitions, 4823 flow [2024-11-07 15:42:02,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 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) [2024-11-07 15:42:02,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:02,081 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:42:02,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 15:42:02,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 15:42:02,282 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:42:02,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:02,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1037661428, now seen corresponding path program 2 times [2024-11-07 15:42:02,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:02,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148835276] [2024-11-07 15:42:02,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:02,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-07 15:42:15,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:15,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148835276] [2024-11-07 15:42:15,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148835276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:42:15,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760259928] [2024-11-07 15:42:15,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:42:15,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:42:15,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:42:15,484 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:42:15,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 15:42:20,033 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 15:42:20,034 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:42:20,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 22621 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 15:42:20,218 INFO L278 TraceCheckSpWp]: Computing forward predicates...