./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_94-alloc_region_racing.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/28-race_reach_94-alloc_region_racing.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 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:42:03,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:42:03,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:42:03,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:42:03,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:42:03,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:42:03,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:42:03,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:42:03,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:42:03,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:42:03,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:42:03,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:42:03,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:42:03,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:42:03,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:42:03,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:42:03,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:42:03,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:42:03,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:42:03,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:42:04,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:42:04,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:42:04,000 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:42:04,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:42:04,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:42:04,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:42:04,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:42:04,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:42:04,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:42:04,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:42:04,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:42:04,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:04,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:42:04,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:42:04,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:42:04,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:42:04,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:42:04,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:42:04,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:42:04,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:42:04,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:42:04,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08 [2024-11-16 23:42:04,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:42:04,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:42:04,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:42:04,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:42:04,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:42:04,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-16 23:42:05,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:42:05,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:42:05,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-16 23:42:05,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83cfce12/c3919b01133b4b06b115791936d748d2/FLAGff362efdb [2024-11-16 23:42:05,706 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83cfce12/c3919b01133b4b06b115791936d748d2 [2024-11-16 23:42:05,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:42:05,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:42:05,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:05,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:42:05,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:42:05,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:05" (1/1) ... [2024-11-16 23:42:05,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569c4736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:05, skipping insertion in model container [2024-11-16 23:42:05,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:05" (1/1) ... [2024-11-16 23:42:05,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:42:06,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:06,201 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:42:06,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:06,324 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:42:06,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06 WrapperNode [2024-11-16 23:42:06,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:06,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:06,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:42:06,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:42:06,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,398 INFO L138 Inliner]: procedures = 378, calls = 83, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 433 [2024-11-16 23:42:06,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:06,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:42:06,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:42:06,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:42:06,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,439 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:42:06,451 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:42:06,451 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:42:06,451 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:42:06,458 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (1/1) ... [2024-11-16 23:42:06,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:06,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:06,488 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 23:42:06,494 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 23:42:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:42:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:42:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:42:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:42:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:42:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:42:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:42:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:42:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:42:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:42:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:42:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:42:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:42:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:42:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:42:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:42:06,532 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 23:42:06,680 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:42:06,682 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:42:07,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1270: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2024-11-16 23:42:07,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1270-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2024-11-16 23:42:07,195 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:42:07,195 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:42:07,243 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:42:07,245 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:42:07,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:07 BoogieIcfgContainer [2024-11-16 23:42:07,246 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:42:07,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:42:07,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:42:07,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:42:07,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:05" (1/3) ... [2024-11-16 23:42:07,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a23f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:07, skipping insertion in model container [2024-11-16 23:42:07,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:06" (2/3) ... [2024-11-16 23:42:07,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a23f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:07, skipping insertion in model container [2024-11-16 23:42:07,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:07" (3/3) ... [2024-11-16 23:42:07,253 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2024-11-16 23:42:07,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:42:07,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-16 23:42:07,265 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:42:07,389 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:42:07,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 453 places, 481 transitions, 969 flow [2024-11-16 23:42:07,663 INFO L124 PetriNetUnfolderBase]: 48/709 cut-off events. [2024-11-16 23:42:07,664 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:42:07,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 709 events. 48/709 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2437 event pairs, 0 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 397. Up to 8 conditions per place. [2024-11-16 23:42:07,682 INFO L82 GeneralOperation]: Start removeDead. Operand has 453 places, 481 transitions, 969 flow [2024-11-16 23:42:07,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 453 places, 481 transitions, 969 flow [2024-11-16 23:42:07,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:42:07,711 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;@77f2c2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:42:07,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-16 23:42:07,716 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:42:07,716 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-11-16 23:42:07,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:42:07,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:07,717 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] [2024-11-16 23:42:07,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-16 23:42:07,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:07,721 INFO L85 PathProgramCache]: Analyzing trace with hash -20397304, now seen corresponding path program 1 times [2024-11-16 23:42:07,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:07,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740821771] [2024-11-16 23:42:07,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:08,339 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 23:42:08,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:08,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740821771] [2024-11-16 23:42:08,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740821771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:08,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:08,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:08,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022626860] [2024-11-16 23:42:08,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:08,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:08,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:08,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:08,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 481 [2024-11-16 23:42:08,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 481 transitions, 969 flow. Second operand has 6 states, 6 states have (on average 306.3333333333333) internal successors, (1838), 6 states have internal predecessors, (1838), 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 23:42:08,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:08,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 481 [2024-11-16 23:42:08,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:10,925 INFO L124 PetriNetUnfolderBase]: 3778/14726 cut-off events. [2024-11-16 23:42:10,926 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:42:10,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22216 conditions, 14726 events. 3778/14726 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 139088 event pairs, 3600 based on Foata normal form. 1635/15220 useless extension candidates. Maximal degree in co-relation 21819. Up to 7480 conditions per place. [2024-11-16 23:42:10,982 INFO L140 encePairwiseOnDemand]: 448/481 looper letters, 141 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-16 23:42:10,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 449 transitions, 1197 flow [2024-11-16 23:42:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:10,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2004 transitions. [2024-11-16 23:42:10,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6943866943866944 [2024-11-16 23:42:10,999 INFO L175 Difference]: Start difference. First operand has 453 places, 481 transitions, 969 flow. Second operand 6 states and 2004 transitions. [2024-11-16 23:42:11,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 449 transitions, 1197 flow [2024-11-16 23:42:11,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 449 transitions, 1197 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:11,010 INFO L231 Difference]: Finished difference. Result has 453 places, 449 transitions, 915 flow [2024-11-16 23:42:11,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=915, PETRI_PLACES=453, PETRI_TRANSITIONS=449} [2024-11-16 23:42:11,014 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 0 predicate places. [2024-11-16 23:42:11,014 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 449 transitions, 915 flow [2024-11-16 23:42:11,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.3333333333333) internal successors, (1838), 6 states have internal predecessors, (1838), 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 23:42:11,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:11,016 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] [2024-11-16 23:42:11,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:42:11,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-16 23:42:11,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash -602006035, now seen corresponding path program 1 times [2024-11-16 23:42:11,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:11,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111150859] [2024-11-16 23:42:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:11,302 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 23:42:11,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:11,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111150859] [2024-11-16 23:42:11,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111150859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:11,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:11,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:11,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162006922] [2024-11-16 23:42:11,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:11,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:11,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:11,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:11,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:11,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 481 [2024-11-16 23:42:11,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 449 transitions, 915 flow. Second operand has 6 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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 23:42:11,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:11,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 481 [2024-11-16 23:42:11,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:13,702 INFO L124 PetriNetUnfolderBase]: 1984/12809 cut-off events. [2024-11-16 23:42:13,702 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:42:13,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16684 conditions, 12809 events. 1984/12809 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 127676 event pairs, 1166 based on Foata normal form. 0/11638 useless extension candidates. Maximal degree in co-relation 16626. Up to 3409 conditions per place. [2024-11-16 23:42:13,750 INFO L140 encePairwiseOnDemand]: 444/481 looper letters, 138 selfloop transitions, 107 changer transitions 0/594 dead transitions. [2024-11-16 23:42:13,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 594 transitions, 1698 flow [2024-11-16 23:42:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2359 transitions. [2024-11-16 23:42:13,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8173943173943174 [2024-11-16 23:42:13,755 INFO L175 Difference]: Start difference. First operand has 453 places, 449 transitions, 915 flow. Second operand 6 states and 2359 transitions. [2024-11-16 23:42:13,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 594 transitions, 1698 flow [2024-11-16 23:42:13,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 594 transitions, 1688 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:13,765 INFO L231 Difference]: Finished difference. Result has 457 places, 549 transitions, 1593 flow [2024-11-16 23:42:13,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1593, PETRI_PLACES=457, PETRI_TRANSITIONS=549} [2024-11-16 23:42:13,767 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 4 predicate places. [2024-11-16 23:42:13,767 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 549 transitions, 1593 flow [2024-11-16 23:42:13,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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 23:42:13,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:13,769 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] [2024-11-16 23:42:13,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:42:13,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-16 23:42:13,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:13,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1870300344, now seen corresponding path program 1 times [2024-11-16 23:42:13,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:13,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117468630] [2024-11-16 23:42:13,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:13,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:14,042 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 23:42:14,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:14,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117468630] [2024-11-16 23:42:14,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117468630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:14,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:14,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:14,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817247311] [2024-11-16 23:42:14,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:14,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:14,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 481 [2024-11-16 23:42:14,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 549 transitions, 1593 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 23:42:14,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:14,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 481 [2024-11-16 23:42:14,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:17,555 INFO L124 PetriNetUnfolderBase]: 5534/21575 cut-off events. [2024-11-16 23:42:17,555 INFO L125 PetriNetUnfolderBase]: For 3353/3403 co-relation queries the response was YES. [2024-11-16 23:42:17,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36749 conditions, 21575 events. 5534/21575 cut-off events. For 3353/3403 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 221722 event pairs, 3888 based on Foata normal form. 0/19714 useless extension candidates. Maximal degree in co-relation 36216. Up to 10652 conditions per place. [2024-11-16 23:42:17,630 INFO L140 encePairwiseOnDemand]: 428/481 looper letters, 277 selfloop transitions, 171 changer transitions 0/753 dead transitions. [2024-11-16 23:42:17,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 753 transitions, 3089 flow [2024-11-16 23:42:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2198 transitions. [2024-11-16 23:42:17,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7616077616077616 [2024-11-16 23:42:17,635 INFO L175 Difference]: Start difference. First operand has 457 places, 549 transitions, 1593 flow. Second operand 6 states and 2198 transitions. [2024-11-16 23:42:17,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 753 transitions, 3089 flow [2024-11-16 23:42:17,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 753 transitions, 3089 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:17,659 INFO L231 Difference]: Finished difference. Result has 466 places, 713 transitions, 2889 flow [2024-11-16 23:42:17,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2889, PETRI_PLACES=466, PETRI_TRANSITIONS=713} [2024-11-16 23:42:17,661 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 13 predicate places. [2024-11-16 23:42:17,661 INFO L471 AbstractCegarLoop]: Abstraction has has 466 places, 713 transitions, 2889 flow [2024-11-16 23:42:17,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 23:42:17,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:17,662 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] [2024-11-16 23:42:17,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:42:17,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-16 23:42:17,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:17,663 INFO L85 PathProgramCache]: Analyzing trace with hash 363562520, now seen corresponding path program 1 times [2024-11-16 23:42:17,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:17,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930098483] [2024-11-16 23:42:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:17,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:17,905 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 23:42:17,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:17,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930098483] [2024-11-16 23:42:17,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930098483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:17,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:17,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:17,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35102438] [2024-11-16 23:42:17,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:17,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:17,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:17,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:17,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:18,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 481 [2024-11-16 23:42:18,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 713 transitions, 2889 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 23:42:18,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:18,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 481 [2024-11-16 23:42:18,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:21,615 INFO L124 PetriNetUnfolderBase]: 5975/23119 cut-off events. [2024-11-16 23:42:21,615 INFO L125 PetriNetUnfolderBase]: For 7243/7305 co-relation queries the response was YES. [2024-11-16 23:42:21,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44076 conditions, 23119 events. 5975/23119 cut-off events. For 7243/7305 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 237907 event pairs, 3928 based on Foata normal form. 0/21186 useless extension candidates. Maximal degree in co-relation 43519. Up to 11147 conditions per place. [2024-11-16 23:42:21,698 INFO L140 encePairwiseOnDemand]: 428/481 looper letters, 437 selfloop transitions, 171 changer transitions 0/917 dead transitions. [2024-11-16 23:42:21,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 917 transitions, 5025 flow [2024-11-16 23:42:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2198 transitions. [2024-11-16 23:42:21,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7616077616077616 [2024-11-16 23:42:21,702 INFO L175 Difference]: Start difference. First operand has 466 places, 713 transitions, 2889 flow. Second operand 6 states and 2198 transitions. [2024-11-16 23:42:21,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 917 transitions, 5025 flow [2024-11-16 23:42:21,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 917 transitions, 4833 flow, removed 96 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:21,728 INFO L231 Difference]: Finished difference. Result has 475 places, 877 transitions, 4313 flow [2024-11-16 23:42:21,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=2695, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4313, PETRI_PLACES=475, PETRI_TRANSITIONS=877} [2024-11-16 23:42:21,730 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 22 predicate places. [2024-11-16 23:42:21,730 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 877 transitions, 4313 flow [2024-11-16 23:42:21,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 23:42:21,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:21,732 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] [2024-11-16 23:42:21,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:42:21,732 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-16 23:42:21,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1539300354, now seen corresponding path program 1 times [2024-11-16 23:42:21,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:21,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462492373] [2024-11-16 23:42:21,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:22,077 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 23:42:22,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:22,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462492373] [2024-11-16 23:42:22,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462492373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:22,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:22,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:22,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248846612] [2024-11-16 23:42:22,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:22,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:22,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:22,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:22,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:22,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 481 [2024-11-16 23:42:22,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 877 transitions, 4313 flow. Second operand has 6 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 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 23:42:22,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:22,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 481 [2024-11-16 23:42:22,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:26,141 INFO L124 PetriNetUnfolderBase]: 6423/24386 cut-off events. [2024-11-16 23:42:26,141 INFO L125 PetriNetUnfolderBase]: For 13557/13681 co-relation queries the response was YES. [2024-11-16 23:42:26,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52242 conditions, 24386 events. 6423/24386 cut-off events. For 13557/13681 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 252280 event pairs, 3909 based on Foata normal form. 0/22364 useless extension candidates. Maximal degree in co-relation 51605. Up to 12188 conditions per place. [2024-11-16 23:42:26,243 INFO L140 encePairwiseOnDemand]: 434/481 looper letters, 613 selfloop transitions, 166 changer transitions 0/1082 dead transitions. [2024-11-16 23:42:26,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 1082 transitions, 7113 flow [2024-11-16 23:42:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2178 transitions. [2024-11-16 23:42:26,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7546777546777547 [2024-11-16 23:42:26,248 INFO L175 Difference]: Start difference. First operand has 475 places, 877 transitions, 4313 flow. Second operand 6 states and 2178 transitions. [2024-11-16 23:42:26,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 1082 transitions, 7113 flow [2024-11-16 23:42:26,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 1082 transitions, 6601 flow, removed 256 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:26,283 INFO L231 Difference]: Finished difference. Result has 485 places, 1042 transitions, 5719 flow [2024-11-16 23:42:26,284 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=3801, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5719, PETRI_PLACES=485, PETRI_TRANSITIONS=1042} [2024-11-16 23:42:26,286 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 32 predicate places. [2024-11-16 23:42:26,286 INFO L471 AbstractCegarLoop]: Abstraction has has 485 places, 1042 transitions, 5719 flow [2024-11-16 23:42:26,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 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 23:42:26,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:26,287 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-16 23:42:26,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:42:26,288 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-16 23:42:26,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:26,288 INFO L85 PathProgramCache]: Analyzing trace with hash 449054903, now seen corresponding path program 1 times [2024-11-16 23:42:26,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:26,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445284071] [2024-11-16 23:42:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:26,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:42:26,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:42:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:42:26,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:42:26,367 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:42:26,368 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-16 23:42:26,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-16 23:42:26,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-16 23:42:26,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-16 23:42:26,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-16 23:42:26,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-16 23:42:26,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-16 23:42:26,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-16 23:42:26,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-16 23:42:26,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-16 23:42:26,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-16 23:42:26,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-16 23:42:26,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-16 23:42:26,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-16 23:42:26,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-16 23:42:26,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-16 23:42:26,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-16 23:42:26,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-16 23:42:26,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-16 23:42:26,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-16 23:42:26,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-16 23:42:26,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-16 23:42:26,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-16 23:42:26,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-16 23:42:26,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-16 23:42:26,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-16 23:42:26,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:42:26,379 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-16 23:42:26,381 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:42:26,382 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:42:26,449 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:42:26,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 609 places, 649 transitions, 1314 flow [2024-11-16 23:42:26,764 INFO L124 PetriNetUnfolderBase]: 81/1134 cut-off events. [2024-11-16 23:42:26,765 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:42:26,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 1134 events. 81/1134 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5169 event pairs, 0 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 711. Up to 12 conditions per place. [2024-11-16 23:42:26,783 INFO L82 GeneralOperation]: Start removeDead. Operand has 609 places, 649 transitions, 1314 flow [2024-11-16 23:42:26,793 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 609 places, 649 transitions, 1314 flow [2024-11-16 23:42:26,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:42:26,795 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;@77f2c2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:42:26,797 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-16 23:42:26,799 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:42:26,799 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-11-16 23:42:26,799 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:42:26,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:26,799 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] [2024-11-16 23:42:26,800 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-16 23:42:26,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:26,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1488081135, now seen corresponding path program 1 times [2024-11-16 23:42:26,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:26,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499578100] [2024-11-16 23:42:26,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:26,947 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 23:42:26,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:26,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499578100] [2024-11-16 23:42:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499578100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:26,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:26,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:26,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482750474] [2024-11-16 23:42:26,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:26,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:26,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:26,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:26,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:27,338 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 649 [2024-11-16 23:42:27,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 649 transitions, 1314 flow. Second operand has 6 states, 6 states have (on average 409.3333333333333) internal successors, (2456), 6 states have internal predecessors, (2456), 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 23:42:27,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 649 [2024-11-16 23:42:27,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand