./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.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/09-regions_10-arraylist_rc.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', '406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02'] 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/09-regions_10-arraylist_rc.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 406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:35:47,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:35:47,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:35:47,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:35:47,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:35:47,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:35:47,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:35:47,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:35:47,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:35:47,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:35:47,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:35:47,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:35:47,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:35:47,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:35:47,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:35:47,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:35:47,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:35:47,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:35:47,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:35:47,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:35:47,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:35:47,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:35:47,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:35:47,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:35:47,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:35:47,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:35:47,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:35:47,477 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 -> 406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02 [2024-11-07 15:35:47,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:35:47,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:35:47,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:35:47,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:35:47,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:35:47,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i [2024-11-07 15:35:49,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:35:49,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:35:49,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i [2024-11-07 15:35:49,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2c2b44410/74c350767d3741c8b33ad4f6e7666d50/FLAGd9577e05b [2024-11-07 15:35:49,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2c2b44410/74c350767d3741c8b33ad4f6e7666d50 [2024-11-07 15:35:49,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:35:49,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:35:49,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:35:49,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:35:49,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:35:49,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:49" (1/1) ... [2024-11-07 15:35:49,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180ee2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:49, skipping insertion in model container [2024-11-07 15:35:49,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:49" (1/1) ... [2024-11-07 15:35:49,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:35:49,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:35:49,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:35:49,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:35:50,077 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:35:50,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50 WrapperNode [2024-11-07 15:35:50,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:35:50,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:35:50,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:35:50,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:35:50,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,184 INFO L138 Inliner]: procedures = 372, calls = 88, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 300 [2024-11-07 15:35:50,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:35:50,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:35:50,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:35:50,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:35:50,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:35:50,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:35:50,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:35:50,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:35:50,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (1/1) ... [2024-11-07 15:35:50,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:35:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:50,286 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 15:35:50,288 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 15:35:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:35:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 15:35:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:35:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:35:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:35:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:35:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:35:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:35:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:35:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:35:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:35:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:35:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:35:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:35:50,311 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 15:35:50,454 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:35:50,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:35:51,010 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:35:51,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:35:51,049 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:35:51,050 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 15:35:51,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:51 BoogieIcfgContainer [2024-11-07 15:35:51,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:35:51,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:35:51,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:35:51,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:35:51,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:49" (1/3) ... [2024-11-07 15:35:51,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f626694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:51, skipping insertion in model container [2024-11-07 15:35:51,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:50" (2/3) ... [2024-11-07 15:35:51,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f626694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:51, skipping insertion in model container [2024-11-07 15:35:51,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:51" (3/3) ... [2024-11-07 15:35:51,062 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_10-arraylist_rc.i [2024-11-07 15:35:51,075 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:35:51,075 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-07 15:35:51,076 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:35:51,204 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:35:51,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 339 places, 341 transitions, 686 flow [2024-11-07 15:35:51,409 INFO L124 PetriNetUnfolderBase]: 6/340 cut-off events. [2024-11-07 15:35:51,411 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:51,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 340 events. 6/340 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 398 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2024-11-07 15:35:51,424 INFO L82 GeneralOperation]: Start removeDead. Operand has 339 places, 341 transitions, 686 flow [2024-11-07 15:35:51,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 338 places, 340 transitions, 683 flow [2024-11-07 15:35:51,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:35:51,460 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;@69f980e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:35:51,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-07 15:35:51,492 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:35:51,493 INFO L124 PetriNetUnfolderBase]: 4/129 cut-off events. [2024-11-07 15:35:51,493 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:51,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:51,494 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 15:35:51,495 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash 131685964, now seen corresponding path program 1 times [2024-11-07 15:35:51,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:51,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851936245] [2024-11-07 15:35:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:51,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:51,960 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 15:35:51,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:51,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851936245] [2024-11-07 15:35:51,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851936245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:51,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:51,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:35:51,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817314842] [2024-11-07 15:35:51,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:51,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:51,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:51,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:51,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:52,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-07 15:35:52,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 340 transitions, 683 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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 15:35:52,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:52,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-07 15:35:52,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:52,163 INFO L124 PetriNetUnfolderBase]: 8/416 cut-off events. [2024-11-07 15:35:52,163 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:52,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 416 events. 8/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 873 event pairs, 6 based on Foata normal form. 6/391 useless extension candidates. Maximal degree in co-relation 219. Up to 24 conditions per place. [2024-11-07 15:35:52,167 INFO L140 encePairwiseOnDemand]: 334/341 looper letters, 10 selfloop transitions, 2 changer transitions 1/337 dead transitions. [2024-11-07 15:35:52,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 337 transitions, 701 flow [2024-11-07 15:35:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2024-11-07 15:35:52,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9736070381231672 [2024-11-07 15:35:52,191 INFO L175 Difference]: Start difference. First operand has 338 places, 340 transitions, 683 flow. Second operand 3 states and 996 transitions. [2024-11-07 15:35:52,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 337 transitions, 701 flow [2024-11-07 15:35:52,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 337 transitions, 700 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:52,205 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 684 flow [2024-11-07 15:35:52,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2024-11-07 15:35:52,213 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 2 predicate places. [2024-11-07 15:35:52,213 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 684 flow [2024-11-07 15:35:52,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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 15:35:52,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:52,215 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] [2024-11-07 15:35:52,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:35:52,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:52,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:52,216 INFO L85 PathProgramCache]: Analyzing trace with hash -917716216, now seen corresponding path program 1 times [2024-11-07 15:35:52,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:52,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204339342] [2024-11-07 15:35:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:52,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:52,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204339342] [2024-11-07 15:35:52,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204339342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:35:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831856846] [2024-11-07 15:35:52,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:52,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:52,467 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 15:35:52,469 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 15:35:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:52,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:35:52,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:35:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:52,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:35:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:52,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831856846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:35:52,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:35:52,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:35:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557439458] [2024-11-07 15:35:52,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:35:52,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:35:52,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:52,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:35:52,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:35:52,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-07 15:35:52,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 684 flow. Second operand has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 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 15:35:52,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:52,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-07 15:35:52,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:52,972 INFO L124 PetriNetUnfolderBase]: 8/422 cut-off events. [2024-11-07 15:35:52,973 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:52,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 422 events. 8/422 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 866 event pairs, 6 based on Foata normal form. 2/394 useless extension candidates. Maximal degree in co-relation 384. Up to 24 conditions per place. [2024-11-07 15:35:52,976 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/344 dead transitions. [2024-11-07 15:35:52,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 344 transitions, 748 flow [2024-11-07 15:35:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-07 15:35:52,988 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-07 15:35:52,988 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 684 flow. Second operand 9 states and 2932 transitions. [2024-11-07 15:35:52,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 344 transitions, 748 flow [2024-11-07 15:35:52,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 344 transitions, 746 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:52,999 INFO L231 Difference]: Finished difference. Result has 349 places, 342 transitions, 732 flow [2024-11-07 15:35:53,000 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=732, PETRI_PLACES=349, PETRI_TRANSITIONS=342} [2024-11-07 15:35:53,001 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-07 15:35:53,002 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 342 transitions, 732 flow [2024-11-07 15:35:53,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 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 15:35:53,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:53,004 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:35:53,021 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 15:35:53,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:53,205 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:53,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1486921096, now seen corresponding path program 2 times [2024-11-07 15:35:53,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:53,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432651953] [2024-11-07 15:35:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:53,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:53,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432651953] [2024-11-07 15:35:53,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432651953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:35:53,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877017615] [2024-11-07 15:35:53,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:35:53,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:53,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:53,503 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 15:35:53,505 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 15:35:53,629 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:35:53,629 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:35:53,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 15:35:53,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:35:53,664 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 15:35:53,683 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 21 treesize of output 20 [2024-11-07 15:35:53,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:35:53,714 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 30 treesize of output 32 [2024-11-07 15:35:53,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:35:53,755 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 39 treesize of output 44 [2024-11-07 15:35:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 15:35:53,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:35:53,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877017615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:53,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:35:53,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-07 15:35:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310285620] [2024-11-07 15:35:53,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:53,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:53,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:53,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:53,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:54,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-07 15:35:54,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 342 transitions, 732 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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 15:35:54,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:54,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-07 15:35:54,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:54,675 INFO L124 PetriNetUnfolderBase]: 366/1706 cut-off events. [2024-11-07 15:35:54,675 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:35:54,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2548 conditions, 1706 events. 366/1706 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10137 event pairs, 364 based on Foata normal form. 0/1580 useless extension candidates. Maximal degree in co-relation 2435. Up to 800 conditions per place. [2024-11-07 15:35:54,685 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/340 dead transitions. [2024-11-07 15:35:54,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 890 flow [2024-11-07 15:35:54,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-07 15:35:54,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-07 15:35:54,690 INFO L175 Difference]: Start difference. First operand has 349 places, 342 transitions, 732 flow. Second operand 6 states and 1607 transitions. [2024-11-07 15:35:54,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 890 flow [2024-11-07 15:35:54,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 340 transitions, 884 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:54,697 INFO L231 Difference]: Finished difference. Result has 351 places, 340 transitions, 742 flow [2024-11-07 15:35:54,698 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=351, PETRI_TRANSITIONS=340} [2024-11-07 15:35:54,699 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 13 predicate places. [2024-11-07 15:35:54,699 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 340 transitions, 742 flow [2024-11-07 15:35:54,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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 15:35:54,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:54,700 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:35:54,717 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 15:35:54,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:54,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:54,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1020736967, now seen corresponding path program 1 times [2024-11-07 15:35:54,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:54,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412635039] [2024-11-07 15:35:54,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:54,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 15:35:55,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:55,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412635039] [2024-11-07 15:35:55,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412635039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:55,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:55,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:35:55,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840032610] [2024-11-07 15:35:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:55,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:55,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:55,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:55,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:55,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-07 15:35:55,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 340 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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 15:35:55,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:55,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-07 15:35:55,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:55,116 INFO L124 PetriNetUnfolderBase]: 8/531 cut-off events. [2024-11-07 15:35:55,117 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:35:55,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 531 events. 8/531 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 861 event pairs, 6 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 494. Up to 24 conditions per place. [2024-11-07 15:35:55,119 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-11-07 15:35:55,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 341 transitions, 768 flow [2024-11-07 15:35:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 991 transitions. [2024-11-07 15:35:55,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9687194525904204 [2024-11-07 15:35:55,122 INFO L175 Difference]: Start difference. First operand has 351 places, 340 transitions, 742 flow. Second operand 3 states and 991 transitions. [2024-11-07 15:35:55,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 341 transitions, 768 flow [2024-11-07 15:35:55,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 341 transitions, 748 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:55,128 INFO L231 Difference]: Finished difference. Result has 349 places, 341 transitions, 734 flow [2024-11-07 15:35:55,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=349, PETRI_TRANSITIONS=341} [2024-11-07 15:35:55,129 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-07 15:35:55,129 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 341 transitions, 734 flow [2024-11-07 15:35:55,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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 15:35:55,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:55,130 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:35:55,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:35:55,131 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:55,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:55,131 INFO L85 PathProgramCache]: Analyzing trace with hash -208651969, now seen corresponding path program 1 times [2024-11-07 15:35:55,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:55,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218091553] [2024-11-07 15:35:55,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:55,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:55,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218091553] [2024-11-07 15:35:55,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218091553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:35:55,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925994857] [2024-11-07 15:35:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:55,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:55,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:55,349 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 15:35:55,356 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 15:35:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:55,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:35:55,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:35:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:55,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:35:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:55,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925994857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:35:55,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:35:55,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-07 15:35:55,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867616193] [2024-11-07 15:35:55,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:35:55,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 15:35:55,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 15:35:55,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 15:35:55,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-07 15:35:55,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 341 transitions, 734 flow. Second operand has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 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 15:35:55,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:55,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-07 15:35:55,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:55,943 INFO L124 PetriNetUnfolderBase]: 8/551 cut-off events. [2024-11-07 15:35:55,943 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-07 15:35:55,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 551 events. 8/551 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 863 event pairs, 6 based on Foata normal form. 4/521 useless extension candidates. Maximal degree in co-relation 476. Up to 24 conditions per place. [2024-11-07 15:35:55,947 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 18 selfloop transitions, 21 changer transitions 0/359 dead transitions. [2024-11-07 15:35:55,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 359 transitions, 900 flow [2024-11-07 15:35:55,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:35:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:35:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-07 15:35:55,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-07 15:35:55,961 INFO L175 Difference]: Start difference. First operand has 349 places, 341 transitions, 734 flow. Second operand 21 states and 6826 transitions. [2024-11-07 15:35:55,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 359 transitions, 900 flow [2024-11-07 15:35:55,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 359 transitions, 898 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:55,968 INFO L231 Difference]: Finished difference. Result has 373 places, 354 transitions, 862 flow [2024-11-07 15:35:55,969 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=862, PETRI_PLACES=373, PETRI_TRANSITIONS=354} [2024-11-07 15:35:55,971 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 35 predicate places. [2024-11-07 15:35:55,971 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 354 transitions, 862 flow [2024-11-07 15:35:55,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 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 15:35:55,975 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:55,975 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:55,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 15:35:56,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:56,176 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:56,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:56,177 INFO L85 PathProgramCache]: Analyzing trace with hash 904760895, now seen corresponding path program 2 times [2024-11-07 15:35:56,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:56,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079160114] [2024-11-07 15:35:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:56,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:56,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:56,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079160114] [2024-11-07 15:35:56,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079160114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:35:56,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443151941] [2024-11-07 15:35:56,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:35:56,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:56,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:56,585 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 15:35:56,587 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 15:35:56,714 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:35:56,714 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:35:56,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 15:35:56,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:35:56,734 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 13 treesize of output 9 [2024-11-07 15:35:56,754 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 23 treesize of output 22 [2024-11-07 15:35:56,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:35:56,790 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 32 treesize of output 34 [2024-11-07 15:35:56,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:35:56,831 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 41 treesize of output 46 [2024-11-07 15:35:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 15:35:56,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:35:56,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443151941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:56,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:35:56,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-07 15:35:56,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97879629] [2024-11-07 15:35:56,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:56,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:56,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:56,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:56,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-07 15:35:57,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-07 15:35:57,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 354 transitions, 862 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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 15:35:57,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:57,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-07 15:35:57,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:57,812 INFO L124 PetriNetUnfolderBase]: 366/1833 cut-off events. [2024-11-07 15:35:57,812 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-07 15:35:57,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 1833 events. 366/1833 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10076 event pairs, 364 based on Foata normal form. 0/1705 useless extension candidates. Maximal degree in co-relation 2590. Up to 830 conditions per place. [2024-11-07 15:35:57,821 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/352 dead transitions. [2024-11-07 15:35:57,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 352 transitions, 1020 flow [2024-11-07 15:35:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-07 15:35:57,825 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-07 15:35:57,825 INFO L175 Difference]: Start difference. First operand has 373 places, 354 transitions, 862 flow. Second operand 6 states and 1607 transitions. [2024-11-07 15:35:57,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 352 transitions, 1020 flow [2024-11-07 15:35:57,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 352 transitions, 996 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-07 15:35:57,832 INFO L231 Difference]: Finished difference. Result has 370 places, 352 transitions, 854 flow [2024-11-07 15:35:57,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=352} [2024-11-07 15:35:57,833 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 32 predicate places. [2024-11-07 15:35:57,833 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 352 transitions, 854 flow [2024-11-07 15:35:57,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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 15:35:57,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:57,835 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:57,851 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 15:35:58,035 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,SelfDestructingSolverStorable5 [2024-11-07 15:35:58,036 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:58,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:58,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1698947467, now seen corresponding path program 1 times [2024-11-07 15:35:58,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:58,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273182708] [2024-11-07 15:35:58,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:58,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:58,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:58,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273182708] [2024-11-07 15:35:58,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273182708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:35:58,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013066025] [2024-11-07 15:35:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:58,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:58,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:58,427 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 15:35:58,429 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 15:35:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:58,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 15:35:58,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:35:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:58,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:35:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:58,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013066025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:35:58,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:35:58,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-07 15:35:58,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713379642] [2024-11-07 15:35:58,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:35:58,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:35:58,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:58,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:35:58,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:35:58,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-07 15:35:58,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 352 transitions, 854 flow. Second operand has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 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 15:35:58,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:58,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-07 15:35:58,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:59,258 INFO L124 PetriNetUnfolderBase]: 8/562 cut-off events. [2024-11-07 15:35:59,258 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2024-11-07 15:35:59,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 562 events. 8/562 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 845 event pairs, 6 based on Foata normal form. 3/535 useless extension candidates. Maximal degree in co-relation 498. Up to 24 conditions per place. [2024-11-07 15:35:59,261 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 30 changer transitions 0/369 dead transitions. [2024-11-07 15:35:59,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 369 transitions, 1078 flow [2024-11-07 15:35:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 15:35:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-07 15:35:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-07 15:35:59,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-07 15:35:59,279 INFO L175 Difference]: Start difference. First operand has 370 places, 352 transitions, 854 flow. Second operand 30 states and 9744 transitions. [2024-11-07 15:35:59,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 369 transitions, 1078 flow [2024-11-07 15:35:59,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 369 transitions, 1058 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:59,290 INFO L231 Difference]: Finished difference. Result has 398 places, 362 transitions, 986 flow [2024-11-07 15:35:59,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=986, PETRI_PLACES=398, PETRI_TRANSITIONS=362} [2024-11-07 15:35:59,291 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 60 predicate places. [2024-11-07 15:35:59,292 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 362 transitions, 986 flow [2024-11-07 15:35:59,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 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 15:35:59,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:59,297 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:59,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 15:35:59,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:35:59,501 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:35:59,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:59,501 INFO L85 PathProgramCache]: Analyzing trace with hash 666709711, now seen corresponding path program 2 times [2024-11-07 15:35:59,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:59,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856242526] [2024-11-07 15:35:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:59,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:00,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:00,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856242526] [2024-11-07 15:36:00,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856242526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:00,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:00,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:00,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706566090] [2024-11-07 15:36:00,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:00,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:00,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:00,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:00,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:00,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 341 [2024-11-07 15:36:00,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 362 transitions, 986 flow. Second operand has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 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 15:36:00,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:00,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 341 [2024-11-07 15:36:00,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:01,084 INFO L124 PetriNetUnfolderBase]: 392/1935 cut-off events. [2024-11-07 15:36:01,085 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-07 15:36:01,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3012 conditions, 1935 events. 392/1935 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10874 event pairs, 390 based on Foata normal form. 0/1804 useless extension candidates. Maximal degree in co-relation 2740. Up to 899 conditions per place. [2024-11-07 15:36:01,095 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 83 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-07 15:36:01,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 361 transitions, 1160 flow [2024-11-07 15:36:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1582 transitions. [2024-11-07 15:36:01,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7732160312805474 [2024-11-07 15:36:01,099 INFO L175 Difference]: Start difference. First operand has 398 places, 362 transitions, 986 flow. Second operand 6 states and 1582 transitions. [2024-11-07 15:36:01,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 361 transitions, 1160 flow [2024-11-07 15:36:01,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 361 transitions, 1114 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-07 15:36:01,106 INFO L231 Difference]: Finished difference. Result has 384 places, 361 transitions, 948 flow [2024-11-07 15:36:01,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=948, PETRI_PLACES=384, PETRI_TRANSITIONS=361} [2024-11-07 15:36:01,109 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 46 predicate places. [2024-11-07 15:36:01,109 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 361 transitions, 948 flow [2024-11-07 15:36:01,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 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 15:36:01,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:01,111 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:01,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:36:01,111 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:01,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:01,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1575483179, now seen corresponding path program 1 times [2024-11-07 15:36:01,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:01,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581989089] [2024-11-07 15:36:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:01,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:01,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581989089] [2024-11-07 15:36:01,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581989089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:01,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:01,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:01,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245463914] [2024-11-07 15:36:01,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:01,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:01,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:01,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:01,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:02,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 341 [2024-11-07 15:36:02,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 361 transitions, 948 flow. Second operand has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 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 15:36:02,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:02,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 341 [2024-11-07 15:36:02,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:02,479 INFO L124 PetriNetUnfolderBase]: 56/801 cut-off events. [2024-11-07 15:36:02,479 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-07 15:36:02,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 801 events. 56/801 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2634 event pairs, 54 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 911. Up to 195 conditions per place. [2024-11-07 15:36:02,483 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 57 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-11-07 15:36:02,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 360 transitions, 1070 flow [2024-11-07 15:36:02,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1712 transitions. [2024-11-07 15:36:02,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8367546432062561 [2024-11-07 15:36:02,488 INFO L175 Difference]: Start difference. First operand has 384 places, 361 transitions, 948 flow. Second operand 6 states and 1712 transitions. [2024-11-07 15:36:02,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 360 transitions, 1070 flow [2024-11-07 15:36:02,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 360 transitions, 1060 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:02,496 INFO L231 Difference]: Finished difference. Result has 383 places, 360 transitions, 946 flow [2024-11-07 15:36:02,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=383, PETRI_TRANSITIONS=360} [2024-11-07 15:36:02,497 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 45 predicate places. [2024-11-07 15:36:02,497 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 360 transitions, 946 flow [2024-11-07 15:36:02,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 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 15:36:02,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:02,499 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:02,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:36:02,499 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:02,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash -573299907, now seen corresponding path program 1 times [2024-11-07 15:36:02,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:02,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712790651] [2024-11-07 15:36:02,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:02,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:03,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:03,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712790651] [2024-11-07 15:36:03,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712790651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:03,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:03,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:03,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898830735] [2024-11-07 15:36:03,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:03,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:03,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:03,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:03,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:03,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-07 15:36:03,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 360 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 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 15:36:03,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:03,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-07 15:36:03,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:03,938 INFO L124 PetriNetUnfolderBase]: 38/716 cut-off events. [2024-11-07 15:36:03,938 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-07 15:36:03,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 716 events. 38/716 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2096 event pairs, 36 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 791. Up to 158 conditions per place. [2024-11-07 15:36:03,942 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 53 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-07 15:36:03,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 359 transitions, 1060 flow [2024-11-07 15:36:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1727 transitions. [2024-11-07 15:36:03,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2024-11-07 15:36:03,946 INFO L175 Difference]: Start difference. First operand has 383 places, 360 transitions, 946 flow. Second operand 6 states and 1727 transitions. [2024-11-07 15:36:03,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 359 transitions, 1060 flow [2024-11-07 15:36:03,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 359 transitions, 1050 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:03,954 INFO L231 Difference]: Finished difference. Result has 382 places, 359 transitions, 944 flow [2024-11-07 15:36:03,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=382, PETRI_TRANSITIONS=359} [2024-11-07 15:36:03,956 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 44 predicate places. [2024-11-07 15:36:03,956 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 359 transitions, 944 flow [2024-11-07 15:36:03,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 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 15:36:03,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:03,957 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:03,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:36:03,957 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:03,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:03,958 INFO L85 PathProgramCache]: Analyzing trace with hash -847986315, now seen corresponding path program 1 times [2024-11-07 15:36:03,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:03,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352526420] [2024-11-07 15:36:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:04,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:04,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352526420] [2024-11-07 15:36:04,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352526420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:04,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:04,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:04,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032783938] [2024-11-07 15:36:04,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:04,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:04,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:04,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:04,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:04,883 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 341 [2024-11-07 15:36:04,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 359 transitions, 944 flow. Second operand has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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 15:36:04,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:04,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 341 [2024-11-07 15:36:04,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:05,329 INFO L124 PetriNetUnfolderBase]: 366/1840 cut-off events. [2024-11-07 15:36:05,330 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-07 15:36:05,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2852 conditions, 1840 events. 366/1840 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10082 event pairs, 364 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2603. Up to 846 conditions per place. [2024-11-07 15:36:05,338 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 79 selfloop transitions, 5 changer transitions 0/358 dead transitions. [2024-11-07 15:36:05,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 358 transitions, 1110 flow [2024-11-07 15:36:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1597 transitions. [2024-11-07 15:36:05,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7805474095796676 [2024-11-07 15:36:05,343 INFO L175 Difference]: Start difference. First operand has 382 places, 359 transitions, 944 flow. Second operand 6 states and 1597 transitions. [2024-11-07 15:36:05,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 358 transitions, 1110 flow [2024-11-07 15:36:05,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 358 transitions, 1100 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:05,349 INFO L231 Difference]: Finished difference. Result has 381 places, 358 transitions, 942 flow [2024-11-07 15:36:05,350 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=381, PETRI_TRANSITIONS=358} [2024-11-07 15:36:05,351 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 43 predicate places. [2024-11-07 15:36:05,351 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 358 transitions, 942 flow [2024-11-07 15:36:05,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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 15:36:05,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:05,352 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:05,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:36:05,352 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:05,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:05,353 INFO L85 PathProgramCache]: Analyzing trace with hash -851926548, now seen corresponding path program 1 times [2024-11-07 15:36:05,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:05,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739021747] [2024-11-07 15:36:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:05,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:06,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:06,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739021747] [2024-11-07 15:36:06,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739021747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:06,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:06,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:06,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908835409] [2024-11-07 15:36:06,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:06,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:06,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:06,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:06,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 341 [2024-11-07 15:36:06,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 358 transitions, 942 flow. Second operand has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 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 15:36:06,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:06,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 341 [2024-11-07 15:36:06,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:06,777 INFO L124 PetriNetUnfolderBase]: 366/1838 cut-off events. [2024-11-07 15:36:06,778 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-07 15:36:06,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2848 conditions, 1838 events. 366/1838 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10080 event pairs, 364 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2599. Up to 844 conditions per place. [2024-11-07 15:36:06,786 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 78 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-07 15:36:06,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 357 transitions, 1106 flow [2024-11-07 15:36:06,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-11-07 15:36:06,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.782991202346041 [2024-11-07 15:36:06,788 INFO L175 Difference]: Start difference. First operand has 381 places, 358 transitions, 942 flow. Second operand 6 states and 1602 transitions. [2024-11-07 15:36:06,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 357 transitions, 1106 flow [2024-11-07 15:36:06,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 357 transitions, 1096 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:06,795 INFO L231 Difference]: Finished difference. Result has 380 places, 357 transitions, 940 flow [2024-11-07 15:36:06,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=380, PETRI_TRANSITIONS=357} [2024-11-07 15:36:06,796 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 42 predicate places. [2024-11-07 15:36:06,796 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 357 transitions, 940 flow [2024-11-07 15:36:06,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 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 15:36:06,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:06,797 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:06,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:36:06,797 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1540404025, now seen corresponding path program 1 times [2024-11-07 15:36:06,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:06,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626828002] [2024-11-07 15:36:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:06,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:07,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:07,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626828002] [2024-11-07 15:36:07,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626828002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:07,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655987294] [2024-11-07 15:36:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:07,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:07,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:07,007 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 15:36:07,009 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 15:36:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:07,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:36:07,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:07,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:36:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:07,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655987294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:36:07,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:36:07,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:36:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535371178] [2024-11-07 15:36:07,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:36:07,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:36:07,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:07,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:36:07,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:36:07,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-07 15:36:07,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 357 transitions, 940 flow. Second operand has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 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 15:36:07,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:07,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-07 15:36:07,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:07,836 INFO L124 PetriNetUnfolderBase]: 8/659 cut-off events. [2024-11-07 15:36:07,836 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-11-07 15:36:07,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 659 events. 8/659 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 394 event pairs, 6 based on Foata normal form. 2/641 useless extension candidates. Maximal degree in co-relation 607. Up to 24 conditions per place. [2024-11-07 15:36:07,838 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/365 dead transitions. [2024-11-07 15:36:07,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 365 transitions, 1004 flow [2024-11-07 15:36:07,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:36:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:36:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-07 15:36:07,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-07 15:36:07,842 INFO L175 Difference]: Start difference. First operand has 380 places, 357 transitions, 940 flow. Second operand 9 states and 2932 transitions. [2024-11-07 15:36:07,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 365 transitions, 1004 flow [2024-11-07 15:36:07,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 365 transitions, 994 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:07,849 INFO L231 Difference]: Finished difference. Result has 386 places, 363 transitions, 980 flow [2024-11-07 15:36:07,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=980, PETRI_PLACES=386, PETRI_TRANSITIONS=363} [2024-11-07 15:36:07,851 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 48 predicate places. [2024-11-07 15:36:07,851 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 363 transitions, 980 flow [2024-11-07 15:36:07,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 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 15:36:07,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:07,856 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 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, 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] [2024-11-07 15:36:07,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 15:36:08,057 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,SelfDestructingSolverStorable12 [2024-11-07 15:36:08,057 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:08,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1016461703, now seen corresponding path program 2 times [2024-11-07 15:36:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:08,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839355422] [2024-11-07 15:36:08,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:08,617 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:08,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:08,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839355422] [2024-11-07 15:36:08,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839355422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:08,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421521266] [2024-11-07 15:36:08,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:36:08,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:08,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:08,621 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 15:36:08,623 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 15:36:08,886 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:36:08,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:36:08,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 15:36:08,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:08,917 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 15:36:08,931 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 15:36:08,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:08,954 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 15:36:08,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:08,986 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 15:36:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-11-07 15:36:09,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:36:09,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421521266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:09,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:36:09,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-07 15:36:09,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141284493] [2024-11-07 15:36:09,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:09,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:09,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:09,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:09,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:09,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-07 15:36:09,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 363 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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 15:36:09,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:09,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-07 15:36:09,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:10,045 INFO L124 PetriNetUnfolderBase]: 258/1966 cut-off events. [2024-11-07 15:36:10,045 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-07 15:36:10,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 1966 events. 258/1966 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10043 event pairs, 34 based on Foata normal form. 0/1840 useless extension candidates. Maximal degree in co-relation 2516. Up to 491 conditions per place. [2024-11-07 15:36:10,053 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 67 selfloop transitions, 70 changer transitions 0/441 dead transitions. [2024-11-07 15:36:10,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 441 transitions, 1410 flow [2024-11-07 15:36:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-07 15:36:10,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-07 15:36:10,055 INFO L175 Difference]: Start difference. First operand has 386 places, 363 transitions, 980 flow. Second operand 6 states and 1806 transitions. [2024-11-07 15:36:10,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 441 transitions, 1410 flow [2024-11-07 15:36:10,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 441 transitions, 1404 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 15:36:10,062 INFO L231 Difference]: Finished difference. Result has 395 places, 432 transitions, 1436 flow [2024-11-07 15:36:10,063 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1436, PETRI_PLACES=395, PETRI_TRANSITIONS=432} [2024-11-07 15:36:10,063 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 57 predicate places. [2024-11-07 15:36:10,063 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 432 transitions, 1436 flow [2024-11-07 15:36:10,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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 15:36:10,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:10,065 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 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, 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] [2024-11-07 15:36:10,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 15:36:10,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:10,265 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:10,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:10,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2131267273, now seen corresponding path program 1 times [2024-11-07 15:36:10,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:10,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095271856] [2024-11-07 15:36:10,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:10,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:10,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095271856] [2024-11-07 15:36:10,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095271856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833105801] [2024-11-07 15:36:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:10,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:10,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:10,820 INFO L229 MonitoredProcess]: Starting monitored process 9 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 15:36:10,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 15:36:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:11,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:36:11,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:11,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:36:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:12,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833105801] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:36:12,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:36:12,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-07 15:36:12,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495814632] [2024-11-07 15:36:12,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:36:12,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 15:36:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 15:36:12,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 15:36:12,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-07 15:36:12,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 432 transitions, 1436 flow. Second operand has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 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 15:36:12,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:12,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-07 15:36:12,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:12,913 INFO L124 PetriNetUnfolderBase]: 121/2052 cut-off events. [2024-11-07 15:36:12,913 INFO L125 PetriNetUnfolderBase]: For 309/329 co-relation queries the response was YES. [2024-11-07 15:36:12,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2854 conditions, 2052 events. 121/2052 cut-off events. For 309/329 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7280 event pairs, 21 based on Foata normal form. 4/1969 useless extension candidates. Maximal degree in co-relation 2597. Up to 206 conditions per place. [2024-11-07 15:36:12,921 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 19 selfloop transitions, 21 changer transitions 0/450 dead transitions. [2024-11-07 15:36:12,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 450 transitions, 1604 flow [2024-11-07 15:36:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:36:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:36:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-07 15:36:12,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-07 15:36:12,925 INFO L175 Difference]: Start difference. First operand has 395 places, 432 transitions, 1436 flow. Second operand 21 states and 6826 transitions. [2024-11-07 15:36:12,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 450 transitions, 1604 flow [2024-11-07 15:36:12,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 450 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:36:12,935 INFO L231 Difference]: Finished difference. Result has 420 places, 445 transitions, 1566 flow [2024-11-07 15:36:12,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1566, PETRI_PLACES=420, PETRI_TRANSITIONS=445} [2024-11-07 15:36:12,936 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 82 predicate places. [2024-11-07 15:36:12,936 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 445 transitions, 1566 flow [2024-11-07 15:36:12,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 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 15:36:12,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:12,938 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:12,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 15:36:13,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 15:36:13,143 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:13,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:13,143 INFO L85 PathProgramCache]: Analyzing trace with hash -683711159, now seen corresponding path program 2 times [2024-11-07 15:36:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:13,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595230612] [2024-11-07 15:36:13,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:14,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:14,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595230612] [2024-11-07 15:36:14,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595230612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:14,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726777021] [2024-11-07 15:36:14,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:36:14,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:14,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:14,672 INFO L229 MonitoredProcess]: Starting monitored process 10 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 15:36:14,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 15:36:15,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:36:15,147 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:36:15,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 15:36:15,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:15,217 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 13 treesize of output 9 [2024-11-07 15:36:15,233 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 23 treesize of output 22 [2024-11-07 15:36:15,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:15,261 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 32 treesize of output 34 [2024-11-07 15:36:15,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:15,292 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 41 treesize of output 46 [2024-11-07 15:36:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2447 trivial. 0 not checked. [2024-11-07 15:36:15,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:36:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726777021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:15,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:36:15,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-07 15:36:15,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030899016] [2024-11-07 15:36:15,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:15,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:15,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:15,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:15,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-07 15:36:15,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-07 15:36:15,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 445 transitions, 1566 flow. Second operand has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 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 15:36:15,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:15,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-07 15:36:15,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:16,678 INFO L124 PetriNetUnfolderBase]: 501/3121 cut-off events. [2024-11-07 15:36:16,678 INFO L125 PetriNetUnfolderBase]: For 991/1074 co-relation queries the response was YES. [2024-11-07 15:36:16,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5522 conditions, 3121 events. 501/3121 cut-off events. For 991/1074 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16104 event pairs, 92 based on Foata normal form. 16/2980 useless extension candidates. Maximal degree in co-relation 5260. Up to 981 conditions per place. [2024-11-07 15:36:16,700 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 131 selfloop transitions, 130 changer transitions 0/582 dead transitions. [2024-11-07 15:36:16,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 582 transitions, 2738 flow [2024-11-07 15:36:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1805 transitions. [2024-11-07 15:36:16,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8822091886608016 [2024-11-07 15:36:16,702 INFO L175 Difference]: Start difference. First operand has 420 places, 445 transitions, 1566 flow. Second operand 6 states and 1805 transitions. [2024-11-07 15:36:16,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 582 transitions, 2738 flow [2024-11-07 15:36:16,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 582 transitions, 2714 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-07 15:36:16,720 INFO L231 Difference]: Finished difference. Result has 424 places, 574 transitions, 2770 flow [2024-11-07 15:36:16,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2770, PETRI_PLACES=424, PETRI_TRANSITIONS=574} [2024-11-07 15:36:16,722 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 86 predicate places. [2024-11-07 15:36:16,722 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 574 transitions, 2770 flow [2024-11-07 15:36:16,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 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 15:36:16,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:16,724 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:16,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 15:36:16,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:16,925 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:16,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:16,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1562446892, now seen corresponding path program 1 times [2024-11-07 15:36:16,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:16,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749255613] [2024-11-07 15:36:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:16,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749255613] [2024-11-07 15:36:18,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749255613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664152466] [2024-11-07 15:36:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:18,334 INFO L229 MonitoredProcess]: Starting monitored process 11 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 15:36:18,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 15:36:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:19,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 15:36:19,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:19,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:36:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:36:20,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664152466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:36:20,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:36:20,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-07 15:36:20,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393604512] [2024-11-07 15:36:20,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:36:20,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:36:20,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:20,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:36:20,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:36:20,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-07 15:36:20,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 574 transitions, 2770 flow. Second operand has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 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 15:36:20,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:20,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-07 15:36:20,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:21,802 INFO L124 PetriNetUnfolderBase]: 390/3162 cut-off events. [2024-11-07 15:36:21,802 INFO L125 PetriNetUnfolderBase]: For 1298/1329 co-relation queries the response was YES. [2024-11-07 15:36:21,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5490 conditions, 3162 events. 390/3162 cut-off events. For 1298/1329 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 13485 event pairs, 39 based on Foata normal form. 7/3061 useless extension candidates. Maximal degree in co-relation 5223. Up to 468 conditions per place. [2024-11-07 15:36:21,815 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 22 selfloop transitions, 30 changer transitions 0/591 dead transitions. [2024-11-07 15:36:21,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 591 transitions, 2996 flow [2024-11-07 15:36:21,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 15:36:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-07 15:36:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-07 15:36:21,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-07 15:36:21,821 INFO L175 Difference]: Start difference. First operand has 424 places, 574 transitions, 2770 flow. Second operand 30 states and 9744 transitions. [2024-11-07 15:36:21,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 591 transitions, 2996 flow [2024-11-07 15:36:21,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 591 transitions, 2996 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:36:21,836 INFO L231 Difference]: Finished difference. Result has 457 places, 584 transitions, 2922 flow [2024-11-07 15:36:21,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2770, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2922, PETRI_PLACES=457, PETRI_TRANSITIONS=584} [2024-11-07 15:36:21,837 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 119 predicate places. [2024-11-07 15:36:21,837 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 584 transitions, 2922 flow [2024-11-07 15:36:21,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 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 15:36:21,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:21,839 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:21,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 15:36:22,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 15:36:22,040 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:22,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:22,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1366725474, now seen corresponding path program 2 times [2024-11-07 15:36:22,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:22,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725598840] [2024-11-07 15:36:22,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:22,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-07 15:36:24,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:24,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725598840] [2024-11-07 15:36:24,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725598840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:24,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:24,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:24,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650610615] [2024-11-07 15:36:24,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:24,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:24,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:24,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:24,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:25,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-07 15:36:25,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 584 transitions, 2922 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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 15:36:25,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:25,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-07 15:36:25,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:26,231 INFO L124 PetriNetUnfolderBase]: 777/4231 cut-off events. [2024-11-07 15:36:26,231 INFO L125 PetriNetUnfolderBase]: For 3405/3607 co-relation queries the response was YES. [2024-11-07 15:36:26,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8913 conditions, 4231 events. 777/4231 cut-off events. For 3405/3607 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22303 event pairs, 74 based on Foata normal form. 76/4132 useless extension candidates. Maximal degree in co-relation 8642. Up to 1323 conditions per place. [2024-11-07 15:36:26,249 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 251 selfloop transitions, 131 changer transitions 5/722 dead transitions. [2024-11-07 15:36:26,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 722 transitions, 4596 flow [2024-11-07 15:36:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-07 15:36:26,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-07 15:36:26,251 INFO L175 Difference]: Start difference. First operand has 457 places, 584 transitions, 2922 flow. Second operand 6 states and 1806 transitions. [2024-11-07 15:36:26,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 722 transitions, 4596 flow [2024-11-07 15:36:26,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 722 transitions, 4550 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-07 15:36:26,270 INFO L231 Difference]: Finished difference. Result has 449 places, 712 transitions, 4356 flow [2024-11-07 15:36:26,271 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2876, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4356, PETRI_PLACES=449, PETRI_TRANSITIONS=712} [2024-11-07 15:36:26,271 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 111 predicate places. [2024-11-07 15:36:26,271 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 712 transitions, 4356 flow [2024-11-07 15:36:26,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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 15:36:26,272 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:26,272 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:26,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:36:26,272 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:26,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:26,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1036214420, now seen corresponding path program 1 times [2024-11-07 15:36:26,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:26,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455387877] [2024-11-07 15:36:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:26,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-07 15:36:29,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:29,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455387877] [2024-11-07 15:36:29,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455387877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:29,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:29,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:29,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393322845] [2024-11-07 15:36:29,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:29,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:29,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:29,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:29,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:29,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 341 [2024-11-07 15:36:29,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 712 transitions, 4356 flow. Second operand has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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 15:36:29,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:29,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 341 [2024-11-07 15:36:29,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:31,292 INFO L124 PetriNetUnfolderBase]: 1309/5605 cut-off events. [2024-11-07 15:36:31,292 INFO L125 PetriNetUnfolderBase]: For 4994/5051 co-relation queries the response was YES. [2024-11-07 15:36:31,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13621 conditions, 5605 events. 1309/5605 cut-off events. For 4994/5051 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33865 event pairs, 369 based on Foata normal form. 11/5371 useless extension candidates. Maximal degree in co-relation 13346. Up to 2549 conditions per place. [2024-11-07 15:36:31,320 INFO L140 encePairwiseOnDemand]: 322/341 looper letters, 316 selfloop transitions, 84 changer transitions 0/791 dead transitions. [2024-11-07 15:36:31,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 791 transitions, 5554 flow [2024-11-07 15:36:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-07 15:36:31,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.823069403714565 [2024-11-07 15:36:31,322 INFO L175 Difference]: Start difference. First operand has 449 places, 712 transitions, 4356 flow. Second operand 6 states and 1684 transitions. [2024-11-07 15:36:31,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 791 transitions, 5554 flow [2024-11-07 15:36:31,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 791 transitions, 5300 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-07 15:36:31,353 INFO L231 Difference]: Finished difference. Result has 458 places, 783 transitions, 4892 flow [2024-11-07 15:36:31,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=4108, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4892, PETRI_PLACES=458, PETRI_TRANSITIONS=783} [2024-11-07 15:36:31,354 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 120 predicate places. [2024-11-07 15:36:31,354 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 783 transitions, 4892 flow [2024-11-07 15:36:31,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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 15:36:31,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:31,355 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:31,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:36:31,356 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:36:31,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:31,356 INFO L85 PathProgramCache]: Analyzing trace with hash -8722774, now seen corresponding path program 1 times [2024-11-07 15:36:31,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:31,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487978742] [2024-11-07 15:36:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 1779 proven. 2862 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-07 15:36:55,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:55,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487978742] [2024-11-07 15:36:55,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487978742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:55,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422955896] [2024-11-07 15:36:55,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:55,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:55,142 INFO L229 MonitoredProcess]: Starting monitored process 12 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 15:36:55,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 15:36:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:56,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-07 15:36:56,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:57,005 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:57,136 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:57,337 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:57,452 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:57,657 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:57,796 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:57,985 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:57,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,078 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,234 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,321 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,481 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,568 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,754 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:58,868 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:58,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,075 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:59,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,173 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:59,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,330 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:59,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,427 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:59,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,592 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:59,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,670 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 15:36:59,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 15:36:59,843 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-07 15:36:59,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 11 [2024-11-07 15:36:59,908 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 15:36:59,935 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 15:36:59,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:59,970 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 15:37:00,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:37:00,015 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 15:37:00,062 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 56 treesize of output 45 [2024-11-07 15:37:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-07 15:37:00,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:37:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422955896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:00,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:37:00,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [40] total 47 [2024-11-07 15:37:00,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422593824] [2024-11-07 15:37:00,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:00,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 15:37:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 15:37:00,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1874, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 15:37:01,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 341 [2024-11-07 15:37:01,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 783 transitions, 4892 flow. Second operand has 11 states, 11 states have (on average 276.09090909090907) internal successors, (3037), 11 states have internal predecessors, (3037), 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 15:37:01,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:01,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 341 [2024-11-07 15:37:01,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:03,086 INFO L124 PetriNetUnfolderBase]: 1018/4876 cut-off events. [2024-11-07 15:37:03,086 INFO L125 PetriNetUnfolderBase]: For 6251/6467 co-relation queries the response was YES. [2024-11-07 15:37:03,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12793 conditions, 4876 events. 1018/4876 cut-off events. For 6251/6467 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 27759 event pairs, 77 based on Foata normal form. 32/4761 useless extension candidates. Maximal degree in co-relation 12510. Up to 891 conditions per place. [2024-11-07 15:37:03,108 INFO L140 encePairwiseOnDemand]: 320/341 looper letters, 397 selfloop transitions, 141 changer transitions 1/908 dead transitions. [2024-11-07 15:37:03,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 908 transitions, 6904 flow [2024-11-07 15:37:03,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 15:37:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 15:37:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4780 transitions. [2024-11-07 15:37:03,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8245644298775229 [2024-11-07 15:37:03,114 INFO L175 Difference]: Start difference. First operand has 458 places, 783 transitions, 4892 flow. Second operand 17 states and 4780 transitions. [2024-11-07 15:37:03,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 908 transitions, 6904 flow [2024-11-07 15:37:03,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 908 transitions, 6832 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-07 15:37:03,158 INFO L231 Difference]: Finished difference. Result has 485 places, 840 transitions, 5830 flow [2024-11-07 15:37:03,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=4838, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5830, PETRI_PLACES=485, PETRI_TRANSITIONS=840} [2024-11-07 15:37:03,160 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 147 predicate places. [2024-11-07 15:37:03,160 INFO L471 AbstractCegarLoop]: Abstraction has has 485 places, 840 transitions, 5830 flow [2024-11-07 15:37:03,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 276.09090909090907) internal successors, (3037), 11 states have internal predecessors, (3037), 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 15:37:03,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:03,161 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:03,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 15:37:03,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:37:03,362 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-07 15:37:03,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1414720656, now seen corresponding path program 2 times [2024-11-07 15:37:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343785258] [2024-11-07 15:37:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:03,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms