./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 3289d67d 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-3289d67-m [2024-11-16 23:37:38,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:37:38,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:37:38,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:37:38,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:37:38,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:37:38,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:37:38,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:37:38,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:37:38,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:37:38,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:37:38,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:37:38,452 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:37:38,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:37:38,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:37:38,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:37:38,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:37:38,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:37:38,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:37:38,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:37:38,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:37:38,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:37:38,458 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:37:38,458 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:37:38,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:37:38,459 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:37:38,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:37:38,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:37:38,459 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:37:38,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:37:38,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:37:38,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:37:38,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:37:38,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:37:38,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:37:38,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:37:38,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:37:38,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:37:38,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:37:38,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:37:38,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:37:38,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2024-11-16 23:37:38,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:37:38,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:37:38,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:37:38,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:37:38,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:37:38,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-16 23:37:39,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:37:40,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:37:40,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-16 23:37:40,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5adcad7f3/b5f8f87bc2e346f5b60583646e3fd020/FLAG431db1765 [2024-11-16 23:37:40,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5adcad7f3/b5f8f87bc2e346f5b60583646e3fd020 [2024-11-16 23:37:40,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:37:40,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:37:40,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:37:40,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:37:40,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:37:40,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a613284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40, skipping insertion in model container [2024-11-16 23:37:40,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:37:40,675 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,675 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,677 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,678 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:37:40,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:37:40,776 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,777 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,778 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,779 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-16 23:37:40,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:37:40,849 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:37:40,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40 WrapperNode [2024-11-16 23:37:40,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:37:40,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:37:40,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:37:40,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:37:40,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,933 INFO L138 Inliner]: procedures = 274, calls = 98, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 278 [2024-11-16 23:37:40,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:37:40,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:37:40,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:37:40,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:37:40,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:37:40,984 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:37:40,984 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:37:40,984 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:37:40,984 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2024-11-16 23:37:40,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:37:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:41,014 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) [2024-11-16 23:37:41,019 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 [2024-11-16 23:37:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-16 23:37:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:37:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:37:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:37:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:37:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:37:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:37:41,055 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:37:41,165 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:37:41,167 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:37:41,504 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:37:41,504 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:37:41,528 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:37:41,529 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:37:41,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:37:41 BoogieIcfgContainer [2024-11-16 23:37:41,531 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:37:41,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:37:41,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:37:41,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:37:41,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:40" (1/3) ... [2024-11-16 23:37:41,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2b7448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:41, skipping insertion in model container [2024-11-16 23:37:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (2/3) ... [2024-11-16 23:37:41,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2b7448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:41, skipping insertion in model container [2024-11-16 23:37:41,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:37:41" (3/3) ... [2024-11-16 23:37:41,539 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2024-11-16 23:37:41,552 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:37:41,553 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-16 23:37:41,553 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:37:41,744 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:37:41,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 383 places, 391 transitions, 790 flow [2024-11-16 23:37:41,894 INFO L124 PetriNetUnfolderBase]: 15/389 cut-off events. [2024-11-16 23:37:41,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:41,909 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. [2024-11-16 23:37:41,910 INFO L82 GeneralOperation]: Start removeDead. Operand has 383 places, 391 transitions, 790 flow [2024-11-16 23:37:41,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 381 places, 389 transitions, 784 flow [2024-11-16 23:37:41,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:37:41,937 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;@25cc5fec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:37:41,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-16 23:37:41,960 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:37:41,961 INFO L124 PetriNetUnfolderBase]: 2/119 cut-off events. [2024-11-16 23:37:41,961 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:41,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:41,962 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] [2024-11-16 23:37:41,963 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)] === [2024-11-16 23:37:41,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:41,967 INFO L85 PathProgramCache]: Analyzing trace with hash 786644663, now seen corresponding path program 1 times [2024-11-16 23:37:41,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:41,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272464986] [2024-11-16 23:37:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:41,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:42,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:42,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272464986] [2024-11-16 23:37:42,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272464986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:42,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:42,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:42,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104215952] [2024-11-16 23:37:42,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:42,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:42,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:42,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:42,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:43,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 391 [2024-11-16 23:37:43,302 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) [2024-11-16 23:37:43,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:43,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 391 [2024-11-16 23:37:43,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:43,719 INFO L124 PetriNetUnfolderBase]: 449/1905 cut-off events. [2024-11-16 23:37:43,719 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-16 23:37:43,727 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. [2024-11-16 23:37:43,735 INFO L140 encePairwiseOnDemand]: 370/391 looper letters, 72 selfloop transitions, 10 changer transitions 1/378 dead transitions. [2024-11-16 23:37:43,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 378 transitions, 926 flow [2024-11-16 23:37:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1881 transitions. [2024-11-16 23:37:43,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8017902813299232 [2024-11-16 23:37:43,757 INFO L175 Difference]: Start difference. First operand has 381 places, 389 transitions, 784 flow. Second operand 6 states and 1881 transitions. [2024-11-16 23:37:43,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 378 transitions, 926 flow [2024-11-16 23:37:43,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 378 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:37:43,769 INFO L231 Difference]: Finished difference. Result has 382 places, 377 transitions, 778 flow [2024-11-16 23:37:43,771 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} [2024-11-16 23:37:43,774 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 1 predicate places. [2024-11-16 23:37:43,774 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 377 transitions, 778 flow [2024-11-16 23:37:43,775 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) [2024-11-16 23:37:43,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:43,776 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] [2024-11-16 23:37:43,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:37:43,777 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)] === [2024-11-16 23:37:43,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:43,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2139705453, now seen corresponding path program 1 times [2024-11-16 23:37:43,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:43,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413824069] [2024-11-16 23:37:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413824069] [2024-11-16 23:37:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413824069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:44,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:44,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438562787] [2024-11-16 23:37:44,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:44,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:44,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:44,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:44,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:44,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 391 [2024-11-16 23:37:44,434 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) [2024-11-16 23:37:44,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:44,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 391 [2024-11-16 23:37:44,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:44,706 INFO L124 PetriNetUnfolderBase]: 449/1902 cut-off events. [2024-11-16 23:37:44,707 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:44,710 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. [2024-11-16 23:37:44,716 INFO L140 encePairwiseOnDemand]: 379/391 looper letters, 72 selfloop transitions, 10 changer transitions 0/375 dead transitions. [2024-11-16 23:37:44,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 375 transitions, 938 flow [2024-11-16 23:37:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1872 transitions. [2024-11-16 23:37:44,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7979539641943734 [2024-11-16 23:37:44,719 INFO L175 Difference]: Start difference. First operand has 382 places, 377 transitions, 778 flow. Second operand 6 states and 1872 transitions. [2024-11-16 23:37:44,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 375 transitions, 938 flow [2024-11-16 23:37:44,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 375 transitions, 918 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:44,724 INFO L231 Difference]: Finished difference. Result has 379 places, 375 transitions, 774 flow [2024-11-16 23:37:44,725 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} [2024-11-16 23:37:44,725 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -2 predicate places. [2024-11-16 23:37:44,726 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 375 transitions, 774 flow [2024-11-16 23:37:44,727 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) [2024-11-16 23:37:44,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:44,727 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] [2024-11-16 23:37:44,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:37:44,727 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:37:44,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1433570404, now seen corresponding path program 1 times [2024-11-16 23:37:44,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:44,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714609229] [2024-11-16 23:37:44,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:44,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:44,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:44,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714609229] [2024-11-16 23:37:44,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714609229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:44,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:44,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:37:44,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243031165] [2024-11-16 23:37:44,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:44,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:37:44,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:44,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:37:44,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:37:44,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 391 [2024-11-16 23:37:44,800 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) [2024-11-16 23:37:44,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:44,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 391 [2024-11-16 23:37:44,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:44,888 INFO L124 PetriNetUnfolderBase]: 29/683 cut-off events. [2024-11-16 23:37:44,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:44,890 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. [2024-11-16 23:37:44,892 INFO L140 encePairwiseOnDemand]: 388/391 looper letters, 11 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-11-16 23:37:44,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 376 transitions, 802 flow [2024-11-16 23:37:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:37:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:37:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-16 23:37:44,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582267689684569 [2024-11-16 23:37:44,895 INFO L175 Difference]: Start difference. First operand has 379 places, 375 transitions, 774 flow. Second operand 3 states and 1124 transitions. [2024-11-16 23:37:44,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 376 transitions, 802 flow [2024-11-16 23:37:44,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 376 transitions, 782 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:44,902 INFO L231 Difference]: Finished difference. Result has 377 places, 376 transitions, 766 flow [2024-11-16 23:37:44,902 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} [2024-11-16 23:37:44,903 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -4 predicate places. [2024-11-16 23:37:44,903 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 376 transitions, 766 flow [2024-11-16 23:37:44,904 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) [2024-11-16 23:37:44,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:44,904 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] [2024-11-16 23:37:44,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:37:44,905 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)] === [2024-11-16 23:37:44,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:44,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1310304609, now seen corresponding path program 1 times [2024-11-16 23:37:44,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:44,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097065879] [2024-11-16 23:37:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:45,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:45,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097065879] [2024-11-16 23:37:45,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097065879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:45,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:45,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:45,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182233981] [2024-11-16 23:37:45,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:45,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:45,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:45,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:45,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:45,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 391 [2024-11-16 23:37:45,864 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) [2024-11-16 23:37:45,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:45,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 391 [2024-11-16 23:37:45,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:46,117 INFO L124 PetriNetUnfolderBase]: 450/2026 cut-off events. [2024-11-16 23:37:46,117 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:37:46,120 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. [2024-11-16 23:37:46,124 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 79 selfloop transitions, 5 changer transitions 0/375 dead transitions. [2024-11-16 23:37:46,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 375 transitions, 932 flow [2024-11-16 23:37:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2024-11-16 23:37:46,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7958226768968457 [2024-11-16 23:37:46,127 INFO L175 Difference]: Start difference. First operand has 377 places, 376 transitions, 766 flow. Second operand 6 states and 1867 transitions. [2024-11-16 23:37:46,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 375 transitions, 932 flow [2024-11-16 23:37:46,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 375 transitions, 930 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:37:46,132 INFO L231 Difference]: Finished difference. Result has 380 places, 375 transitions, 772 flow [2024-11-16 23:37:46,132 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} [2024-11-16 23:37:46,133 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -1 predicate places. [2024-11-16 23:37:46,133 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 375 transitions, 772 flow [2024-11-16 23:37:46,134 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) [2024-11-16 23:37:46,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:46,134 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] [2024-11-16 23:37:46,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:37:46,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:37:46,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:46,135 INFO L85 PathProgramCache]: Analyzing trace with hash -267610181, now seen corresponding path program 1 times [2024-11-16 23:37:46,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:46,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549404729] [2024-11-16 23:37:46,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:46,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:46,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549404729] [2024-11-16 23:37:46,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549404729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:46,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:46,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:37:46,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786721247] [2024-11-16 23:37:46,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:46,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:37:46,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:37:46,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:37:46,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 391 [2024-11-16 23:37:46,249 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) [2024-11-16 23:37:46,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:46,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 391 [2024-11-16 23:37:46,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:46,389 INFO L124 PetriNetUnfolderBase]: 29/871 cut-off events. [2024-11-16 23:37:46,392 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:46,393 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. [2024-11-16 23:37:46,395 INFO L140 encePairwiseOnDemand]: 388/391 looper letters, 11 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-11-16 23:37:46,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 376 transitions, 800 flow [2024-11-16 23:37:46,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:37:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:37:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-16 23:37:46,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582267689684569 [2024-11-16 23:37:46,401 INFO L175 Difference]: Start difference. First operand has 380 places, 375 transitions, 772 flow. Second operand 3 states and 1124 transitions. [2024-11-16 23:37:46,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 376 transitions, 800 flow [2024-11-16 23:37:46,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 376 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:46,409 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 774 flow [2024-11-16 23:37:46,412 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} [2024-11-16 23:37:46,413 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -3 predicate places. [2024-11-16 23:37:46,413 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 774 flow [2024-11-16 23:37:46,414 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) [2024-11-16 23:37:46,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:46,418 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] [2024-11-16 23:37:46,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:37:46,418 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)] === [2024-11-16 23:37:46,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2043504747, now seen corresponding path program 1 times [2024-11-16 23:37:46,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:46,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479560583] [2024-11-16 23:37:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:46,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:46,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:46,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479560583] [2024-11-16 23:37:46,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479560583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:46,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:46,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:46,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900714769] [2024-11-16 23:37:46,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:46,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:46,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:46,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:47,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 391 [2024-11-16 23:37:47,272 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) [2024-11-16 23:37:47,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:47,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 391 [2024-11-16 23:37:47,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:47,451 INFO L124 PetriNetUnfolderBase]: 75/1192 cut-off events. [2024-11-16 23:37:47,452 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:37:47,453 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. [2024-11-16 23:37:47,456 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 54 selfloop transitions, 5 changer transitions 0/375 dead transitions. [2024-11-16 23:37:47,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 375 transitions, 890 flow [2024-11-16 23:37:47,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1992 transitions. [2024-11-16 23:37:47,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8491048593350383 [2024-11-16 23:37:47,460 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 774 flow. Second operand 6 states and 1992 transitions. [2024-11-16 23:37:47,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 375 transitions, 890 flow [2024-11-16 23:37:47,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 375 transitions, 888 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:37:47,465 INFO L231 Difference]: Finished difference. Result has 381 places, 375 transitions, 780 flow [2024-11-16 23:37:47,466 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} [2024-11-16 23:37:47,466 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 0 predicate places. [2024-11-16 23:37:47,466 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 375 transitions, 780 flow [2024-11-16 23:37:47,467 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) [2024-11-16 23:37:47,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:47,468 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] [2024-11-16 23:37:47,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:37:47,468 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)] === [2024-11-16 23:37:47,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:47,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1715276289, now seen corresponding path program 1 times [2024-11-16 23:37:47,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:47,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267303186] [2024-11-16 23:37:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:47,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:47,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267303186] [2024-11-16 23:37:47,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267303186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:47,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:47,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:47,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712188150] [2024-11-16 23:37:47,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:47,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:47,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:47,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:47,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:48,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 391 [2024-11-16 23:37:48,110 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) [2024-11-16 23:37:48,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:48,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 391 [2024-11-16 23:37:48,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:48,355 INFO L124 PetriNetUnfolderBase]: 450/2208 cut-off events. [2024-11-16 23:37:48,355 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:37:48,358 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. [2024-11-16 23:37:48,363 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 79 selfloop transitions, 5 changer transitions 0/374 dead transitions. [2024-11-16 23:37:48,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 374 transitions, 946 flow [2024-11-16 23:37:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2024-11-16 23:37:48,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7958226768968457 [2024-11-16 23:37:48,367 INFO L175 Difference]: Start difference. First operand has 381 places, 375 transitions, 780 flow. Second operand 6 states and 1867 transitions. [2024-11-16 23:37:48,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 374 transitions, 946 flow [2024-11-16 23:37:48,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 374 transitions, 936 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:48,371 INFO L231 Difference]: Finished difference. Result has 380 places, 374 transitions, 778 flow [2024-11-16 23:37:48,371 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} [2024-11-16 23:37:48,372 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -1 predicate places. [2024-11-16 23:37:48,372 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 374 transitions, 778 flow [2024-11-16 23:37:48,373 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) [2024-11-16 23:37:48,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:48,373 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] [2024-11-16 23:37:48,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:37:48,374 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)] === [2024-11-16 23:37:48,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:48,374 INFO L85 PathProgramCache]: Analyzing trace with hash 80295277, now seen corresponding path program 1 times [2024-11-16 23:37:48,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:48,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923163036] [2024-11-16 23:37:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:48,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:48,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:48,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923163036] [2024-11-16 23:37:48,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923163036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:48,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:48,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:48,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707341778] [2024-11-16 23:37:48,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:48,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:48,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:48,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:49,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 391 [2024-11-16 23:37:49,054 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) [2024-11-16 23:37:49,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:49,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 391 [2024-11-16 23:37:49,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:49,330 INFO L124 PetriNetUnfolderBase]: 450/2204 cut-off events. [2024-11-16 23:37:49,330 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:37:49,333 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. [2024-11-16 23:37:49,338 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 75 selfloop transitions, 5 changer transitions 0/373 dead transitions. [2024-11-16 23:37:49,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 373 transitions, 936 flow [2024-11-16 23:37:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-16 23:37:49,341 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2024-11-16 23:37:49,341 INFO L175 Difference]: Start difference. First operand has 380 places, 374 transitions, 778 flow. Second operand 6 states and 1887 transitions. [2024-11-16 23:37:49,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 373 transitions, 936 flow [2024-11-16 23:37:49,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 373 transitions, 926 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:49,345 INFO L231 Difference]: Finished difference. Result has 379 places, 373 transitions, 776 flow [2024-11-16 23:37:49,346 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} [2024-11-16 23:37:49,346 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -2 predicate places. [2024-11-16 23:37:49,347 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 373 transitions, 776 flow [2024-11-16 23:37:49,348 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) [2024-11-16 23:37:49,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:49,348 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] [2024-11-16 23:37:49,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:37:49,348 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)] === [2024-11-16 23:37:49,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:49,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1913585846, now seen corresponding path program 1 times [2024-11-16 23:37:49,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:49,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316660575] [2024-11-16 23:37:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316660575] [2024-11-16 23:37:49,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316660575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:49,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:49,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:49,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685912485] [2024-11-16 23:37:49,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:49,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:49,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:49,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:49,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:50,453 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 391 [2024-11-16 23:37:50,455 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) [2024-11-16 23:37:50,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:50,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 391 [2024-11-16 23:37:50,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:50,860 INFO L124 PetriNetUnfolderBase]: 450/2200 cut-off events. [2024-11-16 23:37:50,861 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:50,864 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. [2024-11-16 23:37:50,871 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 75 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2024-11-16 23:37:50,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 372 transitions, 934 flow [2024-11-16 23:37:50,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-16 23:37:50,874 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2024-11-16 23:37:50,874 INFO L175 Difference]: Start difference. First operand has 379 places, 373 transitions, 776 flow. Second operand 6 states and 1887 transitions. [2024-11-16 23:37:50,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 372 transitions, 934 flow [2024-11-16 23:37:50,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 372 transitions, 924 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:50,879 INFO L231 Difference]: Finished difference. Result has 378 places, 372 transitions, 774 flow [2024-11-16 23:37:50,880 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} [2024-11-16 23:37:50,880 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -3 predicate places. [2024-11-16 23:37:50,881 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 372 transitions, 774 flow [2024-11-16 23:37:50,882 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) [2024-11-16 23:37:50,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:50,882 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] [2024-11-16 23:37:50,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:37:50,882 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)] === [2024-11-16 23:37:50,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:50,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1124288881, now seen corresponding path program 1 times [2024-11-16 23:37:50,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:50,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403696056] [2024-11-16 23:37:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:51,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:51,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403696056] [2024-11-16 23:37:51,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403696056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:51,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:51,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:51,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49033950] [2024-11-16 23:37:51,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:51,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:51,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:51,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:51,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:51,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 391 [2024-11-16 23:37:51,698 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) [2024-11-16 23:37:51,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:51,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 391 [2024-11-16 23:37:51,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:52,126 INFO L124 PetriNetUnfolderBase]: 450/2196 cut-off events. [2024-11-16 23:37:52,127 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:37:52,131 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. [2024-11-16 23:37:52,135 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 80 selfloop transitions, 5 changer transitions 0/371 dead transitions. [2024-11-16 23:37:52,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 371 transitions, 942 flow [2024-11-16 23:37:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1862 transitions. [2024-11-16 23:37:52,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.793691389599318 [2024-11-16 23:37:52,139 INFO L175 Difference]: Start difference. First operand has 378 places, 372 transitions, 774 flow. Second operand 6 states and 1862 transitions. [2024-11-16 23:37:52,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 371 transitions, 942 flow [2024-11-16 23:37:52,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 371 transitions, 932 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:52,145 INFO L231 Difference]: Finished difference. Result has 377 places, 371 transitions, 772 flow [2024-11-16 23:37:52,146 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} [2024-11-16 23:37:52,148 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, -4 predicate places. [2024-11-16 23:37:52,148 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 371 transitions, 772 flow [2024-11-16 23:37:52,149 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) [2024-11-16 23:37:52,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:52,149 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] [2024-11-16 23:37:52,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:37:52,150 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:37:52,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1608162754, now seen corresponding path program 1 times [2024-11-16 23:37:52,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:52,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918315880] [2024-11-16 23:37:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:52,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:52,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:52,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918315880] [2024-11-16 23:37:52,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918315880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:52,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482403343] [2024-11-16 23:37:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:52,336 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) [2024-11-16 23:37:52,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:37:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:52,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:37:52,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:52,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:37:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:52,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482403343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:37:52,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:37:52,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:37:52,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657868643] [2024-11-16 23:37:52,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:37:52,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:37:52,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:52,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:37:52,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:37:52,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 391 [2024-11-16 23:37:52,837 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) [2024-11-16 23:37:52,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:52,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 391 [2024-11-16 23:37:52,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:52,973 INFO L124 PetriNetUnfolderBase]: 29/1039 cut-off events. [2024-11-16 23:37:52,974 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:37:52,975 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. [2024-11-16 23:37:52,977 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 15 selfloop transitions, 9 changer transitions 0/379 dead transitions. [2024-11-16 23:37:52,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 379 transitions, 838 flow [2024-11-16 23:37:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:37:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:37:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3329 transitions. [2024-11-16 23:37:52,982 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9460073884626314 [2024-11-16 23:37:52,982 INFO L175 Difference]: Start difference. First operand has 377 places, 371 transitions, 772 flow. Second operand 9 states and 3329 transitions. [2024-11-16 23:37:52,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 379 transitions, 838 flow [2024-11-16 23:37:52,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 379 transitions, 828 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:52,987 INFO L231 Difference]: Finished difference. Result has 383 places, 377 transitions, 812 flow [2024-11-16 23:37:52,988 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} [2024-11-16 23:37:52,988 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 2 predicate places. [2024-11-16 23:37:52,988 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 377 transitions, 812 flow [2024-11-16 23:37:52,990 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) [2024-11-16 23:37:52,990 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:52,990 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] [2024-11-16 23:37:53,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 23:37:53,190 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 [2024-11-16 23:37:53,191 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:37:53,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1597542370, now seen corresponding path program 2 times [2024-11-16 23:37:53,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:53,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184397703] [2024-11-16 23:37:53,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:53,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-16 23:37:53,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:53,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184397703] [2024-11-16 23:37:53,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184397703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:53,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214362836] [2024-11-16 23:37:53,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:37:53,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:53,486 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) [2024-11-16 23:37:53,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:37:53,676 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:37:53,677 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:37:53,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 23:37:53,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:53,723 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 [2024-11-16 23:37:53,744 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 [2024-11-16 23:37:53,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:37:53,782 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 [2024-11-16 23:37:53,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:37:53,823 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 [2024-11-16 23:37:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-16 23:37:53,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:37:53,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214362836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:53,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:37:53,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-16 23:37:53,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233150157] [2024-11-16 23:37:53,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:53,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:53,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:53,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:53,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 23:37:54,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 391 [2024-11-16 23:37:54,642 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) [2024-11-16 23:37:54,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:54,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 391 [2024-11-16 23:37:54,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:54,942 INFO L124 PetriNetUnfolderBase]: 199/1970 cut-off events. [2024-11-16 23:37:54,942 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-16 23:37:54,946 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. [2024-11-16 23:37:54,951 INFO L140 encePairwiseOnDemand]: 379/391 looper letters, 71 selfloop transitions, 23 changer transitions 0/412 dead transitions. [2024-11-16 23:37:54,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 412 transitions, 1078 flow [2024-11-16 23:37:54,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2033 transitions. [2024-11-16 23:37:54,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8665814151747656 [2024-11-16 23:37:54,954 INFO L175 Difference]: Start difference. First operand has 383 places, 377 transitions, 812 flow. Second operand 6 states and 2033 transitions. [2024-11-16 23:37:54,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 412 transitions, 1078 flow [2024-11-16 23:37:54,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 412 transitions, 1072 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-16 23:37:54,959 INFO L231 Difference]: Finished difference. Result has 392 places, 399 transitions, 964 flow [2024-11-16 23:37:54,960 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} [2024-11-16 23:37:54,960 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 11 predicate places. [2024-11-16 23:37:54,960 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 399 transitions, 964 flow [2024-11-16 23:37:54,961 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) [2024-11-16 23:37:54,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:54,962 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] [2024-11-16 23:37:54,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:37:55,162 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 [2024-11-16 23:37:55,163 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:37:55,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1535008983, now seen corresponding path program 1 times [2024-11-16 23:37:55,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:55,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557405703] [2024-11-16 23:37:55,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:55,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-16 23:37:55,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:55,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557405703] [2024-11-16 23:37:55,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557405703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:55,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867814553] [2024-11-16 23:37:55,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:55,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:55,428 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) [2024-11-16 23:37:55,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:37:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:55,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:37:55,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 2 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:56,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:37:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 2 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:56,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867814553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:37:56,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:37:56,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-16 23:37:56,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670585943] [2024-11-16 23:37:56,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:37:56,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-16 23:37:56,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:56,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-16 23:37:56,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-16 23:37:56,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 391 [2024-11-16 23:37:56,564 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) [2024-11-16 23:37:56,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:56,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 391 [2024-11-16 23:37:56,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:58,128 INFO L124 PetriNetUnfolderBase]: 186/3529 cut-off events. [2024-11-16 23:37:58,128 INFO L125 PetriNetUnfolderBase]: For 235/239 co-relation queries the response was YES. [2024-11-16 23:37:58,134 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. [2024-11-16 23:37:58,139 INFO L140 encePairwiseOnDemand]: 380/391 looper letters, 47 selfloop transitions, 68 changer transitions 0/485 dead transitions. [2024-11-16 23:37:58,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 485 transitions, 1604 flow [2024-11-16 23:37:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-16 23:37:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-16 23:37:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 22871 transitions. [2024-11-16 23:37:58,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9284699387001177 [2024-11-16 23:37:58,160 INFO L175 Difference]: Start difference. First operand has 392 places, 399 transitions, 964 flow. Second operand 63 states and 22871 transitions. [2024-11-16 23:37:58,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 485 transitions, 1604 flow [2024-11-16 23:37:58,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 485 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:58,167 INFO L231 Difference]: Finished difference. Result has 470 places, 461 transitions, 1484 flow [2024-11-16 23:37:58,167 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} [2024-11-16 23:37:58,168 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 89 predicate places. [2024-11-16 23:37:58,168 INFO L471 AbstractCegarLoop]: Abstraction has has 470 places, 461 transitions, 1484 flow [2024-11-16 23:37:58,170 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) [2024-11-16 23:37:58,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:58,170 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] [2024-11-16 23:37:58,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 23:37:58,371 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 [2024-11-16 23:37:58,371 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:37:58,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:58,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1479679317, now seen corresponding path program 2 times [2024-11-16 23:37:58,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:58,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893264908] [2024-11-16 23:37:58,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-16 23:38:00,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:00,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893264908] [2024-11-16 23:38:00,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893264908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:38:00,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758805214] [2024-11-16 23:38:00,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:38:00,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:38:00,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:00,425 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) [2024-11-16 23:38:00,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:38:00,953 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:38:00,954 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:38:00,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:38:01,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:38:01,105 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 [2024-11-16 23:38:01,132 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 [2024-11-16 23:38:01,169 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:38:01,170 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 [2024-11-16 23:38:01,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:38:01,220 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 [2024-11-16 23:38:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8372 trivial. 0 not checked. [2024-11-16 23:38:01,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:38:01,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758805214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:01,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:38:01,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-16 23:38:01,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192983511] [2024-11-16 23:38:01,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:01,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:38:01,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:01,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:38:01,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-16 23:38:01,946 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 391 [2024-11-16 23:38:01,948 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) [2024-11-16 23:38:01,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:01,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 391 [2024-11-16 23:38:01,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:03,322 INFO L124 PetriNetUnfolderBase]: 311/4111 cut-off events. [2024-11-16 23:38:03,322 INFO L125 PetriNetUnfolderBase]: For 765/799 co-relation queries the response was YES. [2024-11-16 23:38:03,329 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. [2024-11-16 23:38:03,333 INFO L140 encePairwiseOnDemand]: 379/391 looper letters, 84 selfloop transitions, 31 changer transitions 0/500 dead transitions. [2024-11-16 23:38:03,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 500 transitions, 1834 flow [2024-11-16 23:38:03,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:38:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:38:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2029 transitions. [2024-11-16 23:38:03,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8648763853367434 [2024-11-16 23:38:03,336 INFO L175 Difference]: Start difference. First operand has 470 places, 461 transitions, 1484 flow. Second operand 6 states and 2029 transitions. [2024-11-16 23:38:03,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 500 transitions, 1834 flow [2024-11-16 23:38:03,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 500 transitions, 1758 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-16 23:38:03,344 INFO L231 Difference]: Finished difference. Result has 473 places, 491 transitions, 1666 flow [2024-11-16 23:38:03,345 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} [2024-11-16 23:38:03,345 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 92 predicate places. [2024-11-16 23:38:03,345 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 491 transitions, 1666 flow [2024-11-16 23:38:03,346 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) [2024-11-16 23:38:03,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:03,347 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] [2024-11-16 23:38:03,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 23:38:03,547 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 [2024-11-16 23:38:03,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:38:03,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:03,548 INFO L85 PathProgramCache]: Analyzing trace with hash 260274646, now seen corresponding path program 1 times [2024-11-16 23:38:03,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:03,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837580026] [2024-11-16 23:38:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-16 23:38:05,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:05,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837580026] [2024-11-16 23:38:05,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837580026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:38:05,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316447608] [2024-11-16 23:38:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:05,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:38:05,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:05,365 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) [2024-11-16 23:38:05,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:38:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:06,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 5699 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 23:38:06,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:38:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-16 23:38:07,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:38:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 4516 proven. 1925 refuted. 0 times theorem prover too weak. 1931 trivial. 0 not checked. [2024-11-16 23:38:07,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316447608] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:38:07,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:38:07,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-16 23:38:07,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106430885] [2024-11-16 23:38:07,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:38:07,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-16 23:38:07,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:07,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-16 23:38:07,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 23:38:07,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 391 [2024-11-16 23:38:07,881 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) [2024-11-16 23:38:07,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:07,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 391 [2024-11-16 23:38:07,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:10,638 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]) [2024-11-16 23:38:10,639 INFO L294 olderBase$Statistics]: this new event has 3018 ancestors and is cut-off event [2024-11-16 23:38:10,639 INFO L297 olderBase$Statistics]: existing Event has 2990 ancestors and is cut-off event [2024-11-16 23:38:10,639 INFO L297 olderBase$Statistics]: existing Event has 2990 ancestors and is cut-off event [2024-11-16 23:38:10,639 INFO L297 olderBase$Statistics]: existing Event has 2990 ancestors and is cut-off event [2024-11-16 23:38:11,629 INFO L124 PetriNetUnfolderBase]: 340/6611 cut-off events. [2024-11-16 23:38:11,630 INFO L125 PetriNetUnfolderBase]: For 4247/4265 co-relation queries the response was YES. [2024-11-16 23:38:11,640 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. [2024-11-16 23:38:11,645 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 47 selfloop transitions, 135 changer transitions 0/592 dead transitions. [2024-11-16 23:38:11,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 592 transitions, 2794 flow [2024-11-16 23:38:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-16 23:38:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-16 23:38:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16595 transitions. [2024-11-16 23:38:11,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431656720659278 [2024-11-16 23:38:11,652 INFO L175 Difference]: Start difference. First operand has 473 places, 491 transitions, 1666 flow. Second operand 45 states and 16595 transitions. [2024-11-16 23:38:11,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 592 transitions, 2794 flow [2024-11-16 23:38:11,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 592 transitions, 2794 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:38:11,664 INFO L231 Difference]: Finished difference. Result has 526 places, 566 transitions, 2540 flow [2024-11-16 23:38:11,664 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} [2024-11-16 23:38:11,665 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 145 predicate places. [2024-11-16 23:38:11,665 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 566 transitions, 2540 flow [2024-11-16 23:38:11,667 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) [2024-11-16 23:38:11,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:11,668 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] [2024-11-16 23:38:11,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 23:38:11,868 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 [2024-11-16 23:38:11,869 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:38:11,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash 842571990, now seen corresponding path program 2 times [2024-11-16 23:38:11,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:11,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585038595] [2024-11-16 23:38:11,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:11,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-16 23:38:21,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:21,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585038595] [2024-11-16 23:38:21,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585038595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:38:21,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268869979] [2024-11-16 23:38:21,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:38:21,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:38:21,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:21,493 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) [2024-11-16 23:38:21,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 23:38:22,705 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:38:22,705 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:38:22,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-16 23:38:22,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:38:22,927 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 [2024-11-16 23:38:22,947 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 [2024-11-16 23:38:22,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:38:22,974 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 [2024-11-16 23:38:23,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:38:23,013 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 [2024-11-16 23:38:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39740 trivial. 0 not checked. [2024-11-16 23:38:23,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:38:23,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268869979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:23,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:38:23,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-16 23:38:23,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548780007] [2024-11-16 23:38:23,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:23,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:38:23,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:23,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:38:23,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 23:38:23,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 391 [2024-11-16 23:38:23,450 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) [2024-11-16 23:38:23,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:23,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 391 [2024-11-16 23:38:23,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:27,430 INFO L124 PetriNetUnfolderBase]: 457/6883 cut-off events. [2024-11-16 23:38:27,430 INFO L125 PetriNetUnfolderBase]: For 2534/2626 co-relation queries the response was YES. [2024-11-16 23:38:27,442 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. [2024-11-16 23:38:27,450 INFO L140 encePairwiseOnDemand]: 380/391 looper letters, 108 selfloop transitions, 55 changer transitions 0/627 dead transitions. [2024-11-16 23:38:27,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 627 transitions, 3192 flow [2024-11-16 23:38:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:38:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:38:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2026 transitions. [2024-11-16 23:38:27,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635976129582268 [2024-11-16 23:38:27,454 INFO L175 Difference]: Start difference. First operand has 526 places, 566 transitions, 2540 flow. Second operand 6 states and 2026 transitions. [2024-11-16 23:38:27,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 627 transitions, 3192 flow [2024-11-16 23:38:27,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 627 transitions, 3084 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-16 23:38:27,471 INFO L231 Difference]: Finished difference. Result has 518 places, 615 transitions, 2986 flow [2024-11-16 23:38:27,471 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} [2024-11-16 23:38:27,472 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 137 predicate places. [2024-11-16 23:38:27,472 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 615 transitions, 2986 flow [2024-11-16 23:38:27,472 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) [2024-11-16 23:38:27,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:27,473 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] [2024-11-16 23:38:27,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 23:38:27,678 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 [2024-11-16 23:38:27,678 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:38:27,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1026962211, now seen corresponding path program 1 times [2024-11-16 23:38:27,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:27,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645728874] [2024-11-16 23:38:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:27,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-16 23:38:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:36,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645728874] [2024-11-16 23:38:36,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645728874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:38:36,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907936720] [2024-11-16 23:38:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:36,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:38:36,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:36,014 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) [2024-11-16 23:38:36,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-16 23:38:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:38,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 11621 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-16 23:38:38,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:38:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-16 23:38:39,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:38:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 39740 backedges. 20564 proven. 9585 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2024-11-16 23:38:41,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907936720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:38:41,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:38:41,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-16 23:38:41,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034584499] [2024-11-16 23:38:41,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:38:41,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-16 23:38:41,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:41,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-16 23:38:41,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-16 23:38:41,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 391 [2024-11-16 23:38:41,562 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) [2024-11-16 23:38:41,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:41,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 391 [2024-11-16 23:38:41,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:48,158 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))]) [2024-11-16 23:38:48,158 INFO L294 olderBase$Statistics]: this new event has 5748 ancestors and is cut-off event [2024-11-16 23:38:48,158 INFO L297 olderBase$Statistics]: existing Event has 5720 ancestors and is cut-off event [2024-11-16 23:38:48,159 INFO L297 olderBase$Statistics]: existing Event has 5720 ancestors and is cut-off event [2024-11-16 23:38:48,159 INFO L297 olderBase$Statistics]: existing Event has 5720 ancestors and is cut-off event [2024-11-16 23:38:51,625 INFO L124 PetriNetUnfolderBase]: 526/11458 cut-off events. [2024-11-16 23:38:51,625 INFO L125 PetriNetUnfolderBase]: For 17191/17281 co-relation queries the response was YES. [2024-11-16 23:38:51,646 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. [2024-11-16 23:38:51,658 INFO L140 encePairwiseOnDemand]: 385/391 looper letters, 92 selfloop transitions, 270 changer transitions 0/821 dead transitions. [2024-11-16 23:38:51,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 821 transitions, 5896 flow [2024-11-16 23:38:51,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-16 23:38:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-16 23:38:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33177 transitions. [2024-11-16 23:38:51,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427962489343563 [2024-11-16 23:38:51,673 INFO L175 Difference]: Start difference. First operand has 518 places, 615 transitions, 2986 flow. Second operand 90 states and 33177 transitions. [2024-11-16 23:38:51,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 821 transitions, 5896 flow [2024-11-16 23:38:51,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 821 transitions, 5896 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:38:51,702 INFO L231 Difference]: Finished difference. Result has 623 places, 753 transitions, 4978 flow [2024-11-16 23:38:51,704 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} [2024-11-16 23:38:51,704 INFO L277 CegarLoopForPetriNet]: 381 programPoint places, 242 predicate places. [2024-11-16 23:38:51,704 INFO L471 AbstractCegarLoop]: Abstraction has has 623 places, 753 transitions, 4978 flow [2024-11-16 23:38:51,709 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) [2024-11-16 23:38:51,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:51,711 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] [2024-11-16 23:38:51,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-16 23:38:51,915 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 [2024-11-16 23:38:51,916 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:38:51,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:51,917 INFO L85 PathProgramCache]: Analyzing trace with hash 154272327, now seen corresponding path program 2 times [2024-11-16 23:38:51,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:51,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682360584] [2024-11-16 23:38:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:51,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 161345 backedges. 0 proven. 82055 refuted. 0 times theorem prover too weak. 79290 trivial. 0 not checked. [2024-11-16 23:39:05,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:05,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682360584] [2024-11-16 23:39:05,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682360584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:39:05,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809443000] [2024-11-16 23:39:05,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:39:05,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:39:05,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:39:05,288 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:39:05,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-16 23:39:07,867 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:39:07,868 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:39:07,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:39:07,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:39:08,116 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 [2024-11-16 23:39:08,129 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 [2024-11-16 23:39:08,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:39:08,151 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