./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:30:52,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:30:52,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:30:52,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:30:52,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:30:52,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:30:52,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:30:52,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:30:52,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:30:52,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:30:52,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:30:52,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:30:52,310 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:30:52,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:30:52,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:30:52,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:30:52,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:30:52,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:30:52,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:30:52,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:30:52,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:30:52,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:30:52,315 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:30:52,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:30:52,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:30:52,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:30:52,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:30:52,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:30:52,316 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:30:52,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:30:52,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:30:52,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:30:52,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:30:52,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:30:52,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:30:52,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:30:52,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:30:52,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:30:52,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:30:52,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:30:52,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:30:52,318 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2024-11-10 14:30:52,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:30:52,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:30:52,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:30:52,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:30:52,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:30:52,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-10 14:30:53,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:30:53,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:30:53,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-10 14:30:53,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61f5aa00/eb4813fc315a42d793588849a2ef14f2/FLAG31ba63f21 [2024-11-10 14:30:53,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61f5aa00/eb4813fc315a42d793588849a2ef14f2 [2024-11-10 14:30:53,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:30:53,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:30:53,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:30:53,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:30:53,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:30:53,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:30:53" (1/1) ... [2024-11-10 14:30:53,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d92ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:53, skipping insertion in model container [2024-11-10 14:30:53,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:30:53" (1/1) ... [2024-11-10 14:30:53,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:30:54,309 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,310 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,310 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,311 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:30:54,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:30:54,437 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,438 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,439 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,439 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-10 14:30:54,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:30:54,492 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:30:54,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54 WrapperNode [2024-11-10 14:30:54,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:30:54,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:30:54,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:30:54,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:30:54,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,559 INFO L138 Inliner]: procedures = 274, calls = 98, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 278 [2024-11-10 14:30:54,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:30:54,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:30:54,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:30:54,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:30:54,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,595 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:30:54,603 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:30:54,604 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:30:54,604 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:30:54,605 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (1/1) ... [2024-11-10 14:30:54,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:30:54,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:54,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:30:54,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:30:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-10 14:30:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:30:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:30:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:30:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:30:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:30:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:30:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:30:54,671 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:30:54,784 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:30:54,786 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:30:55,221 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:30:55,222 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:30:55,254 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:30:55,256 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:30:55,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:30:55 BoogieIcfgContainer [2024-11-10 14:30:55,256 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:30:55,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:30:55,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:30:55,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:30:55,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:30:53" (1/3) ... [2024-11-10 14:30:55,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa11e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:30:55, skipping insertion in model container [2024-11-10 14:30:55,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:54" (2/3) ... [2024-11-10 14:30:55,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa11e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:30:55, skipping insertion in model container [2024-11-10 14:30:55,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:30:55" (3/3) ... [2024-11-10 14:30:55,264 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2024-11-10 14:30:55,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:30:55,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-10 14:30:55,277 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:30:55,359 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:30:55,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 383 places, 391 transitions, 790 flow [2024-11-10 14:30:55,481 INFO L124 PetriNetUnfolderBase]: 15/389 cut-off events. [2024-11-10 14:30:55,481 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:55,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 389 events. 15/389 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 620 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 312. Up to 2 conditions per place. [2024-11-10 14:30:55,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 383 places, 391 transitions, 790 flow [2024-11-10 14:30:55,495 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 381 places, 389 transitions, 784 flow [2024-11-10 14:30:55,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:30:55,509 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;@5447b59b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:30:55,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-10 14:30:55,527 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:30:55,528 INFO L124 PetriNetUnfolderBase]: 2/119 cut-off events. [2024-11-10 14:30:55,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:55,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:55,530 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:55,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:30:55,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash 786644663, now seen corresponding path program 1 times [2024-11-10 14:30:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336639651] [2024-11-10 14:30:55,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:56,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:56,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336639651] [2024-11-10 14:30:56,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336639651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:56,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:56,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:56,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582763564] [2024-11-10 14:30:56,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:56,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:56,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:56,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:56,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:56,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 391 [2024-11-10 14:30:56,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 389 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 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) [2024-11-10 14:30:56,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:56,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 391 [2024-11-10 14:30:56,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:57,140 INFO L124 PetriNetUnfolderBase]: 449/1905 cut-off events. [2024-11-10 14:30:57,140 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-10 14:30:57,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2804 conditions, 1905 events. 449/1905 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 11994 event pairs, 342 based on Foata normal form. 155/1852 useless extension candidates. Maximal degree in co-relation 2525. Up to 846 conditions per place. [2024-11-10 14:30:57,155 INFO L140 encePairwiseOnDemand]: 370/391 looper letters, 72 selfloop transitions, 10 changer transitions 1/378 dead transitions. [2024-11-10 14:30:57,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 378 transitions, 926 flow [2024-11-10 14:30:57,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1881 transitions. [2024-11-10 14:30:57,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8017902813299232 [2024-11-10 14:30:57,176 INFO L175 Difference]: Start difference. First operand has 381 places, 389 transitions, 784 flow. Second operand 6 states and 1881 transitions. [2024-11-10 14:30:57,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 378 transitions, 926 flow [2024-11-10 14:30:57,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 378 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:30:57,186 INFO L231 Difference]: Finished difference. Result has 382 places, 377 transitions, 778 flow [2024-11-10 14:30:57,189 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=778, PETRI_PLACES=382, PETRI_TRANSITIONS=377} [2024-11-10 14:30:57,191 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 1 predicate places. [2024-11-10 14:30:57,191 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 377 transitions, 778 flow [2024-11-10 14:30:57,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 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) [2024-11-10 14:30:57,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:57,193 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:57,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:30:57,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:30:57,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2139705453, now seen corresponding path program 1 times [2024-11-10 14:30:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:57,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724668559] [2024-11-10 14:30:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724668559] [2024-11-10 14:30:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724668559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:57,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:57,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:57,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227959885] [2024-11-10 14:30:57,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:57,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:57,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:57,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 391 [2024-11-10 14:30:57,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 377 transitions, 778 flow. Second operand has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 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) [2024-11-10 14:30:57,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:57,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 391 [2024-11-10 14:30:57,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:58,189 INFO L124 PetriNetUnfolderBase]: 449/1902 cut-off events. [2024-11-10 14:30:58,189 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:58,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2810 conditions, 1902 events. 449/1902 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12029 event pairs, 342 based on Foata normal form. 0/1697 useless extension candidates. Maximal degree in co-relation 2635. Up to 846 conditions per place. [2024-11-10 14:30:58,199 INFO L140 encePairwiseOnDemand]: 379/391 looper letters, 72 selfloop transitions, 10 changer transitions 0/375 dead transitions. [2024-11-10 14:30:58,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 375 transitions, 938 flow [2024-11-10 14:30:58,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1872 transitions. [2024-11-10 14:30:58,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7979539641943734 [2024-11-10 14:30:58,203 INFO L175 Difference]: Start difference. First operand has 382 places, 377 transitions, 778 flow. Second operand 6 states and 1872 transitions. [2024-11-10 14:30:58,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 375 transitions, 938 flow [2024-11-10 14:30:58,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 375 transitions, 918 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:58,211 INFO L231 Difference]: Finished difference. Result has 379 places, 375 transitions, 774 flow [2024-11-10 14:30:58,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=774, PETRI_PLACES=379, PETRI_TRANSITIONS=375} [2024-11-10 14:30:58,212 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -2 predicate places. [2024-11-10 14:30:58,213 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 375 transitions, 774 flow [2024-11-10 14:30:58,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 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) [2024-11-10 14:30:58,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:58,214 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:58,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:30:58,215 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:30:58,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:58,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1433570404, now seen corresponding path program 1 times [2024-11-10 14:30:58,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:58,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291068283] [2024-11-10 14:30:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:58,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:58,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:58,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291068283] [2024-11-10 14:30:58,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291068283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:58,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:58,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:30:58,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075764212] [2024-11-10 14:30:58,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:58,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:30:58,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:58,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:30:58,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:30:58,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 391 [2024-11-10 14:30:58,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 375 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-11-10 14:30:58,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:58,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 391 [2024-11-10 14:30:58,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:58,393 INFO L124 PetriNetUnfolderBase]: 29/683 cut-off events. [2024-11-10 14:30:58,394 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:58,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 683 events. 29/683 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2492 event pairs, 18 based on Foata normal form. 1/632 useless extension candidates. Maximal degree in co-relation 445. Up to 45 conditions per place. [2024-11-10 14:30:58,398 INFO L140 encePairwiseOnDemand]: 388/391 looper letters, 11 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-11-10 14:30:58,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 376 transitions, 802 flow [2024-11-10 14:30:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:30:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:30:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-10 14:30:58,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582267689684569 [2024-11-10 14:30:58,400 INFO L175 Difference]: Start difference. First operand has 379 places, 375 transitions, 774 flow. Second operand 3 states and 1124 transitions. [2024-11-10 14:30:58,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 376 transitions, 802 flow [2024-11-10 14:30:58,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 376 transitions, 782 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:58,407 INFO L231 Difference]: Finished difference. Result has 377 places, 376 transitions, 766 flow [2024-11-10 14:30:58,408 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=377, PETRI_TRANSITIONS=376} [2024-11-10 14:30:58,408 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -4 predicate places. [2024-11-10 14:30:58,408 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 376 transitions, 766 flow [2024-11-10 14:30:58,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-11-10 14:30:58,409 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:58,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:58,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:30:58,410 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:30:58,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:58,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1310304609, now seen corresponding path program 1 times [2024-11-10 14:30:58,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:58,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155725873] [2024-11-10 14:30:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:58,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:58,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155725873] [2024-11-10 14:30:58,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155725873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:58,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:58,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:58,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085926001] [2024-11-10 14:30:58,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:58,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:58,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:58,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:58,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:59,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 391 [2024-11-10 14:30:59,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 376 transitions, 766 flow. Second operand has 6 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 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) [2024-11-10 14:30:59,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:59,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 391 [2024-11-10 14:30:59,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:59,377 INFO L124 PetriNetUnfolderBase]: 450/2026 cut-off events. [2024-11-10 14:30:59,378 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:30:59,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2978 conditions, 2026 events. 450/2026 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 12702 event pairs, 342 based on Foata normal form. 0/1817 useless extension candidates. Maximal degree in co-relation 2710. Up to 894 conditions per place. [2024-11-10 14:30:59,387 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 79 selfloop transitions, 5 changer transitions 0/375 dead transitions. [2024-11-10 14:30:59,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 375 transitions, 932 flow [2024-11-10 14:30:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2024-11-10 14:30:59,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7958226768968457 [2024-11-10 14:30:59,395 INFO L175 Difference]: Start difference. First operand has 377 places, 376 transitions, 766 flow. Second operand 6 states and 1867 transitions. [2024-11-10 14:30:59,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 375 transitions, 932 flow [2024-11-10 14:30:59,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 375 transitions, 930 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:59,400 INFO L231 Difference]: Finished difference. Result has 380 places, 375 transitions, 772 flow [2024-11-10 14:30:59,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=380, PETRI_TRANSITIONS=375} [2024-11-10 14:30:59,401 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -1 predicate places. [2024-11-10 14:30:59,401 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 375 transitions, 772 flow [2024-11-10 14:30:59,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 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) [2024-11-10 14:30:59,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:59,403 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:59,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:30:59,403 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:30:59,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:59,404 INFO L85 PathProgramCache]: Analyzing trace with hash -267610181, now seen corresponding path program 1 times [2024-11-10 14:30:59,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:59,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829817044] [2024-11-10 14:30:59,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:59,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:59,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:59,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829817044] [2024-11-10 14:30:59,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829817044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:59,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:59,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:30:59,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985594075] [2024-11-10 14:30:59,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:59,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:30:59,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:59,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:30:59,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:30:59,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 391 [2024-11-10 14:30:59,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 375 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-11-10 14:30:59,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:59,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 391 [2024-11-10 14:30:59,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:59,571 INFO L124 PetriNetUnfolderBase]: 29/871 cut-off events. [2024-11-10 14:30:59,571 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:59,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 871 events. 29/871 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2484 event pairs, 18 based on Foata normal form. 2/815 useless extension candidates. Maximal degree in co-relation 524. Up to 49 conditions per place. [2024-11-10 14:30:59,575 INFO L140 encePairwiseOnDemand]: 388/391 looper letters, 11 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-11-10 14:30:59,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 376 transitions, 800 flow [2024-11-10 14:30:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:30:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:30:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-10 14:30:59,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582267689684569 [2024-11-10 14:30:59,577 INFO L175 Difference]: Start difference. First operand has 380 places, 375 transitions, 772 flow. Second operand 3 states and 1124 transitions. [2024-11-10 14:30:59,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 376 transitions, 800 flow [2024-11-10 14:30:59,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 376 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:59,583 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 774 flow [2024-11-10 14:30:59,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=378, PETRI_TRANSITIONS=376} [2024-11-10 14:30:59,587 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -3 predicate places. [2024-11-10 14:30:59,588 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 774 flow [2024-11-10 14:30:59,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-11-10 14:30:59,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:59,590 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:59,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:30:59,592 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:30:59,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:59,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2043504747, now seen corresponding path program 1 times [2024-11-10 14:30:59,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:59,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035217787] [2024-11-10 14:30:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:00,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:00,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035217787] [2024-11-10 14:31:00,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035217787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:00,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:00,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:31:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503961968] [2024-11-10 14:31:00,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:00,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:00,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:00,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:31:00,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 391 [2024-11-10 14:31:00,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 376 transitions, 774 flow. Second operand has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 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) [2024-11-10 14:31:00,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:00,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 391 [2024-11-10 14:31:00,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:00,661 INFO L124 PetriNetUnfolderBase]: 75/1192 cut-off events. [2024-11-10 14:31:00,661 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:31:00,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1192 events. 75/1192 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4672 event pairs, 42 based on Foata normal form. 0/1099 useless extension candidates. Maximal degree in co-relation 972. Up to 263 conditions per place. [2024-11-10 14:31:00,666 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 54 selfloop transitions, 5 changer transitions 0/375 dead transitions. [2024-11-10 14:31:00,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 375 transitions, 890 flow [2024-11-10 14:31:00,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1992 transitions. [2024-11-10 14:31:00,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8491048593350383 [2024-11-10 14:31:00,670 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 774 flow. Second operand 6 states and 1992 transitions. [2024-11-10 14:31:00,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 375 transitions, 890 flow [2024-11-10 14:31:00,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 375 transitions, 888 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:31:00,674 INFO L231 Difference]: Finished difference. Result has 381 places, 375 transitions, 780 flow [2024-11-10 14:31:00,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=780, PETRI_PLACES=381, PETRI_TRANSITIONS=375} [2024-11-10 14:31:00,675 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 0 predicate places. [2024-11-10 14:31:00,675 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 375 transitions, 780 flow [2024-11-10 14:31:00,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 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) [2024-11-10 14:31:00,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:00,676 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:00,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:31:00,677 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:00,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1715276289, now seen corresponding path program 1 times [2024-11-10 14:31:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:00,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539677088] [2024-11-10 14:31:00,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:01,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:01,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539677088] [2024-11-10 14:31:01,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539677088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:01,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:01,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:31:01,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223967711] [2024-11-10 14:31:01,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:01,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:01,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:01,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:01,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:31:01,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 391 [2024-11-10 14:31:01,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 375 transitions, 780 flow. Second operand has 6 states, 6 states have (on average 302.3333333333333) internal successors, (1814), 6 states have internal predecessors, (1814), 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) [2024-11-10 14:31:01,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:01,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 391 [2024-11-10 14:31:01,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:01,565 INFO L124 PetriNetUnfolderBase]: 450/2208 cut-off events. [2024-11-10 14:31:01,566 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:31:01,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3264 conditions, 2208 events. 450/2208 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 12705 event pairs, 342 based on Foata normal form. 0/1999 useless extension candidates. Maximal degree in co-relation 2754. Up to 960 conditions per place. [2024-11-10 14:31:01,577 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 79 selfloop transitions, 5 changer transitions 0/374 dead transitions. [2024-11-10 14:31:01,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 374 transitions, 946 flow [2024-11-10 14:31:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2024-11-10 14:31:01,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7958226768968457 [2024-11-10 14:31:01,582 INFO L175 Difference]: Start difference. First operand has 381 places, 375 transitions, 780 flow. Second operand 6 states and 1867 transitions. [2024-11-10 14:31:01,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 374 transitions, 946 flow [2024-11-10 14:31:01,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 374 transitions, 936 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:01,587 INFO L231 Difference]: Finished difference. Result has 380 places, 374 transitions, 778 flow [2024-11-10 14:31:01,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=778, PETRI_PLACES=380, PETRI_TRANSITIONS=374} [2024-11-10 14:31:01,588 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -1 predicate places. [2024-11-10 14:31:01,588 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 374 transitions, 778 flow [2024-11-10 14:31:01,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 302.3333333333333) internal successors, (1814), 6 states have internal predecessors, (1814), 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) [2024-11-10 14:31:01,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:01,590 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:01,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:31:01,590 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:01,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:01,591 INFO L85 PathProgramCache]: Analyzing trace with hash 80295277, now seen corresponding path program 1 times [2024-11-10 14:31:01,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:01,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70280491] [2024-11-10 14:31:01,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:01,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:01,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:01,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70280491] [2024-11-10 14:31:01,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70280491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:01,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:01,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:31:01,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769186156] [2024-11-10 14:31:01,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:01,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:01,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:01,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:01,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:31:02,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 391 [2024-11-10 14:31:02,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 374 transitions, 778 flow. Second operand has 6 states, 6 states have (on average 307.0) internal successors, (1842), 6 states have internal predecessors, (1842), 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) [2024-11-10 14:31:02,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:02,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 391 [2024-11-10 14:31:02,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:02,592 INFO L124 PetriNetUnfolderBase]: 450/2204 cut-off events. [2024-11-10 14:31:02,592 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:31:02,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3244 conditions, 2204 events. 450/2204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 12800 event pairs, 342 based on Foata normal form. 0/1999 useless extension candidates. Maximal degree in co-relation 2770. Up to 944 conditions per place. [2024-11-10 14:31:02,602 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 75 selfloop transitions, 5 changer transitions 0/373 dead transitions. [2024-11-10 14:31:02,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 373 transitions, 936 flow [2024-11-10 14:31:02,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-10 14:31:02,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2024-11-10 14:31:02,607 INFO L175 Difference]: Start difference. First operand has 380 places, 374 transitions, 778 flow. Second operand 6 states and 1887 transitions. [2024-11-10 14:31:02,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 373 transitions, 936 flow [2024-11-10 14:31:02,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 373 transitions, 926 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:02,614 INFO L231 Difference]: Finished difference. Result has 379 places, 373 transitions, 776 flow [2024-11-10 14:31:02,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=776, PETRI_PLACES=379, PETRI_TRANSITIONS=373} [2024-11-10 14:31:02,616 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -2 predicate places. [2024-11-10 14:31:02,616 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 373 transitions, 776 flow [2024-11-10 14:31:02,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.0) internal successors, (1842), 6 states have internal predecessors, (1842), 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) [2024-11-10 14:31:02,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:02,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:02,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:31:02,619 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:02,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:02,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1913585846, now seen corresponding path program 1 times [2024-11-10 14:31:02,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:02,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449231254] [2024-11-10 14:31:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:02,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:03,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:03,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449231254] [2024-11-10 14:31:03,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449231254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:03,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:03,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:31:03,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772529852] [2024-11-10 14:31:03,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:03,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:03,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:03,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:03,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:31:03,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 391 [2024-11-10 14:31:03,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 373 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 307.0) internal successors, (1842), 6 states have internal predecessors, (1842), 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) [2024-11-10 14:31:03,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:03,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 391 [2024-11-10 14:31:03,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:03,669 INFO L124 PetriNetUnfolderBase]: 450/2200 cut-off events. [2024-11-10 14:31:03,669 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:31:03,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3240 conditions, 2200 events. 450/2200 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 12704 event pairs, 342 based on Foata normal form. 0/1999 useless extension candidates. Maximal degree in co-relation 2785. Up to 944 conditions per place. [2024-11-10 14:31:03,678 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 75 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2024-11-10 14:31:03,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 372 transitions, 934 flow [2024-11-10 14:31:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-10 14:31:03,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2024-11-10 14:31:03,684 INFO L175 Difference]: Start difference. First operand has 379 places, 373 transitions, 776 flow. Second operand 6 states and 1887 transitions. [2024-11-10 14:31:03,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 372 transitions, 934 flow [2024-11-10 14:31:03,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 372 transitions, 924 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:03,689 INFO L231 Difference]: Finished difference. Result has 378 places, 372 transitions, 774 flow [2024-11-10 14:31:03,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=774, PETRI_PLACES=378, PETRI_TRANSITIONS=372} [2024-11-10 14:31:03,691 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -3 predicate places. [2024-11-10 14:31:03,691 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 372 transitions, 774 flow [2024-11-10 14:31:03,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.0) internal successors, (1842), 6 states have internal predecessors, (1842), 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) [2024-11-10 14:31:03,692 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:03,692 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:03,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:31:03,692 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:03,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1124288881, now seen corresponding path program 1 times [2024-11-10 14:31:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:03,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817620988] [2024-11-10 14:31:03,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:03,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:04,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:04,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817620988] [2024-11-10 14:31:04,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817620988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:04,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:04,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:31:04,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943363334] [2024-11-10 14:31:04,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:04,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:04,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:04,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:04,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:31:04,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 391 [2024-11-10 14:31:04,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 372 transitions, 774 flow. Second operand has 6 states, 6 states have (on average 303.5) internal successors, (1821), 6 states have internal predecessors, (1821), 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) [2024-11-10 14:31:04,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:04,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 391 [2024-11-10 14:31:04,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:04,635 INFO L124 PetriNetUnfolderBase]: 450/2196 cut-off events. [2024-11-10 14:31:04,636 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:31:04,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 2196 events. 450/2196 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 12673 event pairs, 342 based on Foata normal form. 0/1999 useless extension candidates. Maximal degree in co-relation 2798. Up to 964 conditions per place. [2024-11-10 14:31:04,645 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 80 selfloop transitions, 5 changer transitions 0/371 dead transitions. [2024-11-10 14:31:04,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 371 transitions, 942 flow [2024-11-10 14:31:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1862 transitions. [2024-11-10 14:31:04,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.793691389599318 [2024-11-10 14:31:04,649 INFO L175 Difference]: Start difference. First operand has 378 places, 372 transitions, 774 flow. Second operand 6 states and 1862 transitions. [2024-11-10 14:31:04,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 371 transitions, 942 flow [2024-11-10 14:31:04,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 371 transitions, 932 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:04,655 INFO L231 Difference]: Finished difference. Result has 377 places, 371 transitions, 772 flow [2024-11-10 14:31:04,655 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=377, PETRI_TRANSITIONS=371} [2024-11-10 14:31:04,655 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -4 predicate places. [2024-11-10 14:31:04,656 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 371 transitions, 772 flow [2024-11-10 14:31:04,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.5) internal successors, (1821), 6 states have internal predecessors, (1821), 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) [2024-11-10 14:31:04,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:04,657 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:04,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:31:04,657 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:04,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:04,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1608162754, now seen corresponding path program 1 times [2024-11-10 14:31:04,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:04,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363322661] [2024-11-10 14:31:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:04,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:04,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:04,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363322661] [2024-11-10 14:31:04,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363322661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:04,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96970682] [2024-11-10 14:31:04,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:04,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:04,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:04,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:04,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:31:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:05,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:31:05,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:05,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:31:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:05,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96970682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:31:05,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:31:05,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:31:05,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232292622] [2024-11-10 14:31:05,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:31:05,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:31:05,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:05,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:31:05,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:31:05,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 391 [2024-11-10 14:31:05,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 371 transitions, 772 flow. Second operand has 10 states, 10 states have (on average 369.0) internal successors, (3690), 10 states have internal predecessors, (3690), 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) [2024-11-10 14:31:05,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:05,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 391 [2024-11-10 14:31:05,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:05,522 INFO L124 PetriNetUnfolderBase]: 29/1039 cut-off events. [2024-11-10 14:31:05,523 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-10 14:31:05,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 1039 events. 29/1039 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1854 event pairs, 18 based on Foata normal form. 4/1005 useless extension candidates. Maximal degree in co-relation 517. Up to 49 conditions per place. [2024-11-10 14:31:05,526 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 15 selfloop transitions, 9 changer transitions 0/379 dead transitions. [2024-11-10 14:31:05,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 379 transitions, 838 flow [2024-11-10 14:31:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:31:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:31:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3329 transitions. [2024-11-10 14:31:05,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9460073884626314 [2024-11-10 14:31:05,531 INFO L175 Difference]: Start difference. First operand has 377 places, 371 transitions, 772 flow. Second operand 9 states and 3329 transitions. [2024-11-10 14:31:05,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 379 transitions, 838 flow [2024-11-10 14:31:05,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 379 transitions, 828 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:05,537 INFO L231 Difference]: Finished difference. Result has 383 places, 377 transitions, 812 flow [2024-11-10 14:31:05,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=812, PETRI_PLACES=383, PETRI_TRANSITIONS=377} [2024-11-10 14:31:05,538 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 2 predicate places. [2024-11-10 14:31:05,538 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 377 transitions, 812 flow [2024-11-10 14:31:05,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 369.0) internal successors, (3690), 10 states have internal predecessors, (3690), 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) [2024-11-10 14:31:05,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:05,540 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:05,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:31:05,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 14:31:05,741 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:05,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:05,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1597542370, now seen corresponding path program 2 times [2024-11-10 14:31:05,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:05,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231881206] [2024-11-10 14:31:05,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:05,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-10 14:31:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231881206] [2024-11-10 14:31:06,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231881206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:06,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979894668] [2024-11-10 14:31:06,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:31:06,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:06,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:06,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:06,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:31:06,225 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:31:06,225 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:31:06,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 14:31:06,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:06,285 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 [2024-11-10 14:31:06,298 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 [2024-11-10 14:31:06,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:31:06,327 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 [2024-11-10 14:31:06,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:31:06,355 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 [2024-11-10 14:31:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-10 14:31:06,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:31:06,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979894668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:06,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:31:06,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 14:31:06,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343671208] [2024-11-10 14:31:06,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:06,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:06,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:06,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 14:31:07,034 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 391 [2024-11-10 14:31:07,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 377 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 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) [2024-11-10 14:31:07,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:07,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 391 [2024-11-10 14:31:07,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:07,336 INFO L124 PetriNetUnfolderBase]: 199/1970 cut-off events. [2024-11-10 14:31:07,336 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-10 14:31:07,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2588 conditions, 1970 events. 199/1970 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9078 event pairs, 54 based on Foata normal form. 0/1827 useless extension candidates. Maximal degree in co-relation 1932. Up to 448 conditions per place. [2024-11-10 14:31:07,344 INFO L140 encePairwiseOnDemand]: 379/391 looper letters, 71 selfloop transitions, 23 changer transitions 0/412 dead transitions. [2024-11-10 14:31:07,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 412 transitions, 1078 flow [2024-11-10 14:31:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2033 transitions. [2024-11-10 14:31:07,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8665814151747656 [2024-11-10 14:31:07,350 INFO L175 Difference]: Start difference. First operand has 383 places, 377 transitions, 812 flow. Second operand 6 states and 2033 transitions. [2024-11-10 14:31:07,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 412 transitions, 1078 flow [2024-11-10 14:31:07,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 412 transitions, 1072 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 14:31:07,357 INFO L231 Difference]: Finished difference. Result has 392 places, 399 transitions, 964 flow [2024-11-10 14:31:07,358 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=964, PETRI_PLACES=392, PETRI_TRANSITIONS=399} [2024-11-10 14:31:07,358 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 11 predicate places. [2024-11-10 14:31:07,358 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 399 transitions, 964 flow [2024-11-10 14:31:07,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 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) [2024-11-10 14:31:07,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:07,359 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:07,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 14:31:07,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 14:31:07,560 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:07,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:07,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1535008983, now seen corresponding path program 1 times [2024-11-10 14:31:07,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821345885] [2024-11-10 14:31:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-10 14:31:07,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:07,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821345885] [2024-11-10 14:31:07,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821345885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:07,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843851364] [2024-11-10 14:31:07,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:07,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:07,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:07,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:07,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:31:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:08,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:31:08,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 2 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:08,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:31:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 2 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:31:08,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843851364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:31:08,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:31:08,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-10 14:31:08,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70469461] [2024-11-10 14:31:08,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:31:08,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 14:31:08,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:08,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 14:31:08,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-10 14:31:08,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 391 [2024-11-10 14:31:08,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 399 transitions, 964 flow. Second operand has 19 states, 19 states have (on average 363.6842105263158) internal successors, (6910), 19 states have internal predecessors, (6910), 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) [2024-11-10 14:31:08,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:08,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 391 [2024-11-10 14:31:08,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:10,169 INFO L124 PetriNetUnfolderBase]: 186/3529 cut-off events. [2024-11-10 14:31:10,169 INFO L125 PetriNetUnfolderBase]: For 235/239 co-relation queries the response was YES. [2024-11-10 14:31:10,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4253 conditions, 3529 events. 186/3529 cut-off events. For 235/239 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9810 event pairs, 55 based on Foata normal form. 13/3373 useless extension candidates. Maximal degree in co-relation 2906. Up to 146 conditions per place. [2024-11-10 14:31:10,179 INFO L140 encePairwiseOnDemand]: 380/391 looper letters, 47 selfloop transitions, 68 changer transitions 0/485 dead transitions. [2024-11-10 14:31:10,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 485 transitions, 1604 flow [2024-11-10 14:31:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-10 14:31:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-10 14:31:10,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 22871 transitions. [2024-11-10 14:31:10,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9284699387001177 [2024-11-10 14:31:10,204 INFO L175 Difference]: Start difference. First operand has 392 places, 399 transitions, 964 flow. Second operand 63 states and 22871 transitions. [2024-11-10 14:31:10,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 485 transitions, 1604 flow [2024-11-10 14:31:10,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 485 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:31:10,211 INFO L231 Difference]: Finished difference. Result has 470 places, 461 transitions, 1484 flow [2024-11-10 14:31:10,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=964, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1484, PETRI_PLACES=470, PETRI_TRANSITIONS=461} [2024-11-10 14:31:10,212 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 89 predicate places. [2024-11-10 14:31:10,212 INFO L471 AbstractCegarLoop]: Abstraction has has 470 places, 461 transitions, 1484 flow [2024-11-10 14:31:10,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 363.6842105263158) internal successors, (6910), 19 states have internal predecessors, (6910), 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) [2024-11-10 14:31:10,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:10,214 INFO L204 CegarLoopForPetriNet]: trace histogram [16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:10,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 14:31:10,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:10,416 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:10,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1479679317, now seen corresponding path program 2 times [2024-11-10 14:31:10,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:10,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609511819] [2024-11-10 14:31:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:10,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-10 14:31:12,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:12,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609511819] [2024-11-10 14:31:12,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609511819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:12,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760801767] [2024-11-10 14:31:12,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:31:12,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:12,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:12,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:12,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:31:12,821 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:31:12,821 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:31:12,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 14:31:12,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:12,921 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 [2024-11-10 14:31:12,937 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 [2024-11-10 14:31:12,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:31:12,960 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 [2024-11-10 14:31:12,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:31:12,994 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 [2024-11-10 14:31:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8372 trivial. 0 not checked. [2024-11-10 14:31:13,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:31:13,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760801767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:13,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:31:13,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-10 14:31:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180194927] [2024-11-10 14:31:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:13,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:13,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:13,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:13,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:31:13,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 391 [2024-11-10 14:31:13,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 461 transitions, 1484 flow. Second operand has 6 states, 6 states have (on average 330.6666666666667) internal successors, (1984), 6 states have internal predecessors, (1984), 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) [2024-11-10 14:31:13,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:13,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 391 [2024-11-10 14:31:13,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:15,028 INFO L124 PetriNetUnfolderBase]: 311/4111 cut-off events. [2024-11-10 14:31:15,028 INFO L125 PetriNetUnfolderBase]: For 765/799 co-relation queries the response was YES. [2024-11-10 14:31:15,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5969 conditions, 4111 events. 311/4111 cut-off events. For 765/799 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 16191 event pairs, 61 based on Foata normal form. 8/3905 useless extension candidates. Maximal degree in co-relation 3892. Up to 1009 conditions per place. [2024-11-10 14:31:15,042 INFO L140 encePairwiseOnDemand]: 379/391 looper letters, 84 selfloop transitions, 31 changer transitions 0/500 dead transitions. [2024-11-10 14:31:15,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 500 transitions, 1834 flow [2024-11-10 14:31:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2029 transitions. [2024-11-10 14:31:15,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8648763853367434 [2024-11-10 14:31:15,045 INFO L175 Difference]: Start difference. First operand has 470 places, 461 transitions, 1484 flow. Second operand 6 states and 2029 transitions. [2024-11-10 14:31:15,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 500 transitions, 1834 flow [2024-11-10 14:31:15,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 500 transitions, 1758 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-10 14:31:15,054 INFO L231 Difference]: Finished difference. Result has 473 places, 491 transitions, 1666 flow [2024-11-10 14:31:15,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=1408, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1666, PETRI_PLACES=473, PETRI_TRANSITIONS=491} [2024-11-10 14:31:15,054 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 92 predicate places. [2024-11-10 14:31:15,055 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 491 transitions, 1666 flow [2024-11-10 14:31:15,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.6666666666667) internal successors, (1984), 6 states have internal predecessors, (1984), 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) [2024-11-10 14:31:15,056 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:15,056 INFO L204 CegarLoopForPetriNet]: trace histogram [16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:15,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:31:15,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:15,257 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:15,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:15,257 INFO L85 PathProgramCache]: Analyzing trace with hash 260274646, now seen corresponding path program 1 times [2024-11-10 14:31:15,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:15,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897310465] [2024-11-10 14:31:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-10 14:31:17,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897310465] [2024-11-10 14:31:17,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897310465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746928186] [2024-11-10 14:31:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:17,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:17,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:17,206 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:17,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:31:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:18,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 5699 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:31:18,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-10 14:31:18,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:31:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-10 14:31:19,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746928186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:31:19,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:31:19,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-10 14:31:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132745633] [2024-11-10 14:31:19,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:31:19,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-10 14:31:19,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:19,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-10 14:31:19,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 14:31:19,430 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 391 [2024-11-10 14:31:19,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 491 transitions, 1666 flow. Second operand has 34 states, 34 states have (on average 369.1764705882353) internal successors, (12552), 34 states have internal predecessors, (12552), 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) [2024-11-10 14:31:19,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:19,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 391 [2024-11-10 14:31:19,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:22,203 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([682] L1044-3-->L1044: Formula: (and (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#c~0.base_89| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_89|) (+ (* |v_fThread1of1ForFork0_~j~0#1_29| 24) |v_~#c~0.offset_89| 80) 0))) (= |v_fThread1of1ForFork0_#t~ret20#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_89|, #pthreadsMutex=|v_#pthreadsMutex_12|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_89|} OutVars{~#c~0.base=|v_~#c~0.base_89|, fThread1of1ForFork0_#t~ret20#1=|v_fThread1of1ForFork0_#t~ret20#1_1|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_89|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork0_#t~ret20#1][429], [Black: 1295#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 446#(<= |ULTIMATE.start_main_~j~1#1| 1), Black: 3201#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 3209#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3205#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3213#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 400#(= |ULTIMATE.start_main_~i~0#1| 0), 10368#true, Black: 410#(= |ULTIMATE.start_main_~j~1#1| 0), 5950#true, 379#L1044true, 442#true, 122#L1044true, Black: 5871#(and (= 0 |ULTIMATE.start_main_#t~post25#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5861#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 28)), Black: 3221#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5897#(and (<= |ULTIMATE.start_main_~j~1#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5909#(and (<= |ULTIMATE.start_main_~j~1#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5855#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 27)), 382#true, 268#ULTIMATE.startFINALtrue, Black: 4659#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5903#(and (<= |ULTIMATE.start_main_~j~1#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 3223#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 5867#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 29)), Black: 4948#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 4673#(< |ULTIMATE.start_main_~j~1#1| 29), 384#true, Black: 10350#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 5849#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 3)), 3219#true, Black: 10354#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 5891#(and (<= |ULTIMATE.start_main_~j~1#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 10358#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4391#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 10362#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), 1927#true]) [2024-11-10 14:31:22,203 INFO L294 olderBase$Statistics]: this new event has 3018 ancestors and is cut-off event [2024-11-10 14:31:22,203 INFO L297 olderBase$Statistics]: existing Event has 2990 ancestors and is cut-off event [2024-11-10 14:31:22,204 INFO L297 olderBase$Statistics]: existing Event has 2990 ancestors and is cut-off event [2024-11-10 14:31:22,204 INFO L297 olderBase$Statistics]: existing Event has 2990 ancestors and is cut-off event [2024-11-10 14:31:23,004 INFO L124 PetriNetUnfolderBase]: 340/6611 cut-off events. [2024-11-10 14:31:23,005 INFO L125 PetriNetUnfolderBase]: For 4247/4265 co-relation queries the response was YES. [2024-11-10 14:31:23,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8509 conditions, 6611 events. 340/6611 cut-off events. For 4247/4265 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18528 event pairs, 100 based on Foata normal form. 30/6373 useless extension candidates. Maximal degree in co-relation 5801. Up to 259 conditions per place. [2024-11-10 14:31:23,028 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 47 selfloop transitions, 135 changer transitions 0/592 dead transitions. [2024-11-10 14:31:23,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 592 transitions, 2794 flow [2024-11-10 14:31:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-10 14:31:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-10 14:31:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16595 transitions. [2024-11-10 14:31:23,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431656720659278 [2024-11-10 14:31:23,036 INFO L175 Difference]: Start difference. First operand has 473 places, 491 transitions, 1666 flow. Second operand 45 states and 16595 transitions. [2024-11-10 14:31:23,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 592 transitions, 2794 flow [2024-11-10 14:31:23,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 592 transitions, 2794 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:31:23,049 INFO L231 Difference]: Finished difference. Result has 526 places, 566 transitions, 2540 flow [2024-11-10 14:31:23,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=1666, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2540, PETRI_PLACES=526, PETRI_TRANSITIONS=566} [2024-11-10 14:31:23,050 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 145 predicate places. [2024-11-10 14:31:23,050 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 566 transitions, 2540 flow [2024-11-10 14:31:23,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 369.1764705882353) internal successors, (12552), 34 states have internal predecessors, (12552), 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) [2024-11-10 14:31:23,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:23,054 INFO L204 CegarLoopForPetriNet]: trace histogram [32, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:23,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:31:23,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 14:31:23,254 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:23,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:23,255 INFO L85 PathProgramCache]: Analyzing trace with hash 842571990, now seen corresponding path program 2 times [2024-11-10 14:31:23,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:23,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833034058] [2024-11-10 14:31:23,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:23,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-10 14:31:31,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833034058] [2024-11-10 14:31:31,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833034058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583738124] [2024-11-10 14:31:31,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:31:31,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:31,749 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:31,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 14:31:32,829 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:31:32,829 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:31:32,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 14:31:32,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:32,899 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 [2024-11-10 14:31:32,915 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 [2024-11-10 14:31:32,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:31:32,936 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 [2024-11-10 14:31:32,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:31:32,959 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 [2024-11-10 14:31:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39740 trivial. 0 not checked. [2024-11-10 14:31:32,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:31:32,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583738124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:32,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:31:32,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-10 14:31:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565231388] [2024-11-10 14:31:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:32,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 14:31:33,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 391 [2024-11-10 14:31:33,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 566 transitions, 2540 flow. Second operand has 6 states, 6 states have (on average 329.5) internal successors, (1977), 6 states have internal predecessors, (1977), 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) [2024-11-10 14:31:33,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:33,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 391 [2024-11-10 14:31:33,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:36,639 INFO L124 PetriNetUnfolderBase]: 457/6883 cut-off events. [2024-11-10 14:31:36,639 INFO L125 PetriNetUnfolderBase]: For 2534/2626 co-relation queries the response was YES. [2024-11-10 14:31:36,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10829 conditions, 6883 events. 457/6883 cut-off events. For 2534/2626 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 22072 event pairs, 87 based on Foata normal form. 34/6683 useless extension candidates. Maximal degree in co-relation 7345. Up to 1847 conditions per place. [2024-11-10 14:31:36,665 INFO L140 encePairwiseOnDemand]: 380/391 looper letters, 108 selfloop transitions, 55 changer transitions 0/627 dead transitions. [2024-11-10 14:31:36,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 627 transitions, 3192 flow [2024-11-10 14:31:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2026 transitions. [2024-11-10 14:31:36,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635976129582268 [2024-11-10 14:31:36,669 INFO L175 Difference]: Start difference. First operand has 526 places, 566 transitions, 2540 flow. Second operand 6 states and 2026 transitions. [2024-11-10 14:31:36,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 627 transitions, 3192 flow [2024-11-10 14:31:36,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 627 transitions, 3084 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-10 14:31:36,687 INFO L231 Difference]: Finished difference. Result has 518 places, 615 transitions, 2986 flow [2024-11-10 14:31:36,687 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=2432, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2986, PETRI_PLACES=518, PETRI_TRANSITIONS=615} [2024-11-10 14:31:36,688 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 137 predicate places. [2024-11-10 14:31:36,688 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 615 transitions, 2986 flow [2024-11-10 14:31:36,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.5) internal successors, (1977), 6 states have internal predecessors, (1977), 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) [2024-11-10 14:31:36,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:36,689 INFO L204 CegarLoopForPetriNet]: trace histogram [32, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:36,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 14:31:36,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 14:31:36,890 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:36,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:36,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1026962211, now seen corresponding path program 1 times [2024-11-10 14:31:36,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:36,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392174401] [2024-11-10 14:31:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:36,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-10 14:31:44,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:44,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392174401] [2024-11-10 14:31:44,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392174401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:31:44,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057181829] [2024-11-10 14:31:44,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:44,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:44,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:44,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:31:44,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 14:31:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:46,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 11621 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 14:31:46,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:31:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-10 14:31:47,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:31:48,969 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-10 14:31:48,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057181829] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:31:48,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:31:48,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-10 14:31:48,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152654008] [2024-11-10 14:31:48,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:31:48,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-10 14:31:48,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:48,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-10 14:31:48,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-10 14:31:49,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 391 [2024-11-10 14:31:49,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 615 transitions, 2986 flow. Second operand has 63 states, 63 states have (on average 369.14285714285717) internal successors, (23256), 63 states have internal predecessors, (23256), 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) [2024-11-10 14:31:49,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:49,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 391 [2024-11-10 14:31:49,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:55,978 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([682] L1044-3-->L1044: Formula: (and (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#c~0.base_89| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_89|) (+ (* |v_fThread1of1ForFork0_~j~0#1_29| 24) |v_~#c~0.offset_89| 80) 0))) (= |v_fThread1of1ForFork0_#t~ret20#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_89|, #pthreadsMutex=|v_#pthreadsMutex_12|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_89|} OutVars{~#c~0.base=|v_~#c~0.base_89|, fThread1of1ForFork0_#t~ret20#1=|v_fThread1of1ForFork0_#t~ret20#1_1|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_89|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork0_#t~ret20#1][548], [Black: 1295#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 446#(<= |ULTIMATE.start_main_~j~1#1| 1), Black: 3201#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 3209#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3205#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3213#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 400#(= |ULTIMATE.start_main_~i~0#1| 0), 10368#true, Black: 410#(= |ULTIMATE.start_main_~j~1#1| 0), 5950#true, 19281#true, 442#true, Black: 5871#(and (= 0 |ULTIMATE.start_main_#t~post25#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5861#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 28)), Black: 3221#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5897#(and (<= |ULTIMATE.start_main_~j~1#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5909#(and (<= |ULTIMATE.start_main_~j~1#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5855#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 27)), Black: 4659#(< |ULTIMATE.start_main_~j~1#1| 30), 382#true, Black: 5903#(and (<= |ULTIMATE.start_main_~j~1#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 3223#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 5867#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 29)), Black: 4948#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 4673#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 5849#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 3)), Black: 5891#(and (<= |ULTIMATE.start_main_~j~1#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 28088#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 4391#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 28084#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 28080#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), 1927#true, Black: 28092#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 17234#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 17509#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 10384#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 18334#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 16945#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 16959#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 18059#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 17784#(< |ULTIMATE.start_main_~j~1#1| 26), 379#L1044true, 122#L1044true, 268#ULTIMATE.startFINALtrue, 28098#true, 384#true, Black: 10350#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 10354#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), 3219#true, Black: 10358#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 10362#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0))]) [2024-11-10 14:31:55,978 INFO L294 olderBase$Statistics]: this new event has 5748 ancestors and is cut-off event [2024-11-10 14:31:55,978 INFO L297 olderBase$Statistics]: existing Event has 5720 ancestors and is cut-off event [2024-11-10 14:31:55,978 INFO L297 olderBase$Statistics]: existing Event has 5720 ancestors and is cut-off event [2024-11-10 14:31:55,978 INFO L297 olderBase$Statistics]: existing Event has 5720 ancestors and is cut-off event [2024-11-10 14:31:59,296 INFO L124 PetriNetUnfolderBase]: 526/11458 cut-off events. [2024-11-10 14:31:59,296 INFO L125 PetriNetUnfolderBase]: For 17191/17281 co-relation queries the response was YES. [2024-11-10 14:31:59,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15705 conditions, 11458 events. 526/11458 cut-off events. For 17191/17281 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 25497 event pairs, 115 based on Foata normal form. 81/11208 useless extension candidates. Maximal degree in co-relation 12340. Up to 318 conditions per place. [2024-11-10 14:31:59,332 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 92 selfloop transitions, 270 changer transitions 0/821 dead transitions. [2024-11-10 14:31:59,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 821 transitions, 5896 flow [2024-11-10 14:31:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-10 14:31:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-10 14:31:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33177 transitions. [2024-11-10 14:31:59,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427962489343563 [2024-11-10 14:31:59,346 INFO L175 Difference]: Start difference. First operand has 518 places, 615 transitions, 2986 flow. Second operand 90 states and 33177 transitions. [2024-11-10 14:31:59,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 821 transitions, 5896 flow [2024-11-10 14:31:59,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 821 transitions, 5896 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:31:59,374 INFO L231 Difference]: Finished difference. Result has 623 places, 753 transitions, 4978 flow [2024-11-10 14:31:59,376 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=2986, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4978, PETRI_PLACES=623, PETRI_TRANSITIONS=753} [2024-11-10 14:31:59,376 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 242 predicate places. [2024-11-10 14:31:59,376 INFO L471 AbstractCegarLoop]: Abstraction has has 623 places, 753 transitions, 4978 flow [2024-11-10 14:31:59,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 369.14285714285717) internal successors, (23256), 63 states have internal predecessors, (23256), 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) [2024-11-10 14:31:59,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:59,382 INFO L204 CegarLoopForPetriNet]: trace histogram [62, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:59,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 14:31:59,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:31:59,583 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-10 14:31:59,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:59,584 INFO L85 PathProgramCache]: Analyzing trace with hash 154272327, now seen corresponding path program 2 times [2024-11-10 14:31:59,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:59,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788276226] [2024-11-10 14:31:59,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat