./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --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/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:46:42,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:46:42,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:46:42,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:46:42,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:46:42,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:46:42,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:46:42,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:46:42,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:46:42,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:46:42,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:46:42,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:46:42,165 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:46:42,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:46:42,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:46:42,166 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:46:42,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:46:42,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:46:42,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:46:42,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:46:42,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:46:42,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:46:42,172 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:46:42,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:46:42,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:46:42,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:46:42,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:46:42,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:46:42,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:46:42,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:46:42,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:46:42,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:42,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:46:42,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:46:42,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:46:42,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:46:42,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:46:42,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:46:42,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:46:42,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:46:42,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:46:42,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 [2024-11-16 23:46:42,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:46:42,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:46:42,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:46:42,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:46:42,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:46:42,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-11-16 23:46:43,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:46:44,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:46:44,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-11-16 23:46:44,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7050a5ba3/7fb2dfaa5d34403c9db808067e3fbf7f/FLAGbcdb8a827 [2024-11-16 23:46:44,171 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7050a5ba3/7fb2dfaa5d34403c9db808067e3fbf7f [2024-11-16 23:46:44,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:46:44,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:46:44,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:44,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:46:44,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:46:44,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaf2891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44, skipping insertion in model container [2024-11-16 23:46:44,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:46:44,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:44,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:46:44,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:44,496 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:46:44,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44 WrapperNode [2024-11-16 23:46:44,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:44,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:44,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:46:44,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:46:44,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,536 INFO L138 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 188 [2024-11-16 23:46:44,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:44,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:46:44,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:46:44,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:46:44,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:46:44,566 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:46:44,566 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:46:44,566 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:46:44,567 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (1/1) ... [2024-11-16 23:46:44,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:44,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:46:44,612 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 23:46:44,616 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 23:46:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:46:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:46:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:46:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:46:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:46:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:46:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:46:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-16 23:46:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-16 23:46:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:46:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:46:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:46:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:46:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:46:44,674 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 23:46:44,804 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:46:44,807 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:46:45,180 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:46:45,181 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:46:45,353 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:46:45,353 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:46:45,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:45 BoogieIcfgContainer [2024-11-16 23:46:45,354 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:46:45,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:46:45,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:46:45,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:46:45,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:44" (1/3) ... [2024-11-16 23:46:45,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3292f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:45, skipping insertion in model container [2024-11-16 23:46:45,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44" (2/3) ... [2024-11-16 23:46:45,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3292f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:45, skipping insertion in model container [2024-11-16 23:46:45,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:45" (3/3) ... [2024-11-16 23:46:45,367 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-11-16 23:46:45,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:46:45,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-11-16 23:46:45,381 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:46:45,475 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-16 23:46:45,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 214 transitions, 456 flow [2024-11-16 23:46:45,635 INFO L124 PetriNetUnfolderBase]: 12/210 cut-off events. [2024-11-16 23:46:45,635 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:46:45,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 210 events. 12/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 276 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2024-11-16 23:46:45,645 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 214 transitions, 456 flow [2024-11-16 23:46:45,653 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 193 transitions, 410 flow [2024-11-16 23:46:45,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:46:45,676 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;@4c2d88c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:46:45,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2024-11-16 23:46:45,683 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:46:45,685 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-16 23:46:45,685 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:46:45,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:45,686 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] [2024-11-16 23:46:45,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:45,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:45,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1883186304, now seen corresponding path program 1 times [2024-11-16 23:46:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:45,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160654626] [2024-11-16 23:46:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:45,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:45,891 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 23:46:45,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:45,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160654626] [2024-11-16 23:46:45,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160654626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:45,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:45,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:45,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285310384] [2024-11-16 23:46:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:45,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:45,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:45,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:45,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 214 [2024-11-16 23:46:45,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 193 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 23:46:45,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:45,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 214 [2024-11-16 23:46:45,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:46,256 INFO L124 PetriNetUnfolderBase]: 158/704 cut-off events. [2024-11-16 23:46:46,256 INFO L125 PetriNetUnfolderBase]: For 66/67 co-relation queries the response was YES. [2024-11-16 23:46:46,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 704 events. 158/704 cut-off events. For 66/67 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3552 event pairs, 66 based on Foata normal form. 157/726 useless extension candidates. Maximal degree in co-relation 791. Up to 219 conditions per place. [2024-11-16 23:46:46,269 INFO L140 encePairwiseOnDemand]: 188/214 looper letters, 19 selfloop transitions, 2 changer transitions 1/169 dead transitions. [2024-11-16 23:46:46,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 169 transitions, 404 flow [2024-11-16 23:46:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-16 23:46:46,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-11-16 23:46:46,290 INFO L175 Difference]: Start difference. First operand has 195 places, 193 transitions, 410 flow. Second operand 3 states and 543 transitions. [2024-11-16 23:46:46,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 169 transitions, 404 flow [2024-11-16 23:46:46,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 169 transitions, 388 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-16 23:46:46,302 INFO L231 Difference]: Finished difference. Result has 170 places, 168 transitions, 348 flow [2024-11-16 23:46:46,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2024-11-16 23:46:46,310 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -25 predicate places. [2024-11-16 23:46:46,310 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 348 flow [2024-11-16 23:46:46,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 23:46:46,311 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:46,311 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] [2024-11-16 23:46:46,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:46:46,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:46,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:46,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1745434209, now seen corresponding path program 1 times [2024-11-16 23:46:46,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:46,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422400004] [2024-11-16 23:46:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:46,404 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 23:46:46,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:46,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422400004] [2024-11-16 23:46:46,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422400004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:46,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:46,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773409742] [2024-11-16 23:46:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:46,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:46,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:46,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:46,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-11-16 23:46:46,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 23:46:46,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:46,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-11-16 23:46:46,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:46,599 INFO L124 PetriNetUnfolderBase]: 176/758 cut-off events. [2024-11-16 23:46:46,599 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-16 23:46:46,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1020 conditions, 758 events. 176/758 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3846 event pairs, 72 based on Foata normal form. 0/609 useless extension candidates. Maximal degree in co-relation 985. Up to 238 conditions per place. [2024-11-16 23:46:46,612 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-11-16 23:46:46,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 384 flow [2024-11-16 23:46:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-11-16 23:46:46,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-11-16 23:46:46,616 INFO L175 Difference]: Start difference. First operand has 170 places, 168 transitions, 348 flow. Second operand 3 states and 524 transitions. [2024-11-16 23:46:46,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 384 flow [2024-11-16 23:46:46,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 167 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:46,621 INFO L231 Difference]: Finished difference. Result has 168 places, 167 transitions, 346 flow [2024-11-16 23:46:46,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=168, PETRI_TRANSITIONS=167} [2024-11-16 23:46:46,622 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -27 predicate places. [2024-11-16 23:46:46,623 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 167 transitions, 346 flow [2024-11-16 23:46:46,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 23:46:46,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:46,623 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] [2024-11-16 23:46:46,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:46:46,624 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:46,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:46,625 INFO L85 PathProgramCache]: Analyzing trace with hash -881015032, now seen corresponding path program 1 times [2024-11-16 23:46:46,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:46,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822146934] [2024-11-16 23:46:46,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:46,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:46,690 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 23:46:46,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:46,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822146934] [2024-11-16 23:46:46,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822146934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:46,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:46,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:46,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9501258] [2024-11-16 23:46:46,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:46,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:46,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:46,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:46,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:46,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-11-16 23:46:46,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 167 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 23:46:46,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:46,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-11-16 23:46:46,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:46,847 INFO L124 PetriNetUnfolderBase]: 180/688 cut-off events. [2024-11-16 23:46:46,847 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-16 23:46:46,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 688 events. 180/688 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3420 event pairs, 72 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 909. Up to 242 conditions per place. [2024-11-16 23:46:46,856 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-16 23:46:46,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 166 transitions, 382 flow [2024-11-16 23:46:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-11-16 23:46:46,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-11-16 23:46:46,858 INFO L175 Difference]: Start difference. First operand has 168 places, 167 transitions, 346 flow. Second operand 3 states and 524 transitions. [2024-11-16 23:46:46,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 166 transitions, 382 flow [2024-11-16 23:46:46,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 166 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:46,862 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 344 flow [2024-11-16 23:46:46,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2024-11-16 23:46:46,866 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -28 predicate places. [2024-11-16 23:46:46,866 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 344 flow [2024-11-16 23:46:46,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 23:46:46,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:46,867 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] [2024-11-16 23:46:46,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:46:46,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:46,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:46,868 INFO L85 PathProgramCache]: Analyzing trace with hash -395497962, now seen corresponding path program 1 times [2024-11-16 23:46:46,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:46,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746805929] [2024-11-16 23:46:46,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:46,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:46,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:46,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746805929] [2024-11-16 23:46:46,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746805929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:46,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:46,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:46,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38172100] [2024-11-16 23:46:46,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:46,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:46,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:46,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:46,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:46,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-11-16 23:46:46,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 23:46:46,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:46,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-11-16 23:46:46,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:47,080 INFO L124 PetriNetUnfolderBase]: 171/679 cut-off events. [2024-11-16 23:46:47,081 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-16 23:46:47,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 679 events. 171/679 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3266 event pairs, 65 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 876. Up to 230 conditions per place. [2024-11-16 23:46:47,088 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-16 23:46:47,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 165 transitions, 380 flow [2024-11-16 23:46:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:47,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-11-16 23:46:47,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-11-16 23:46:47,091 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 344 flow. Second operand 3 states and 524 transitions. [2024-11-16 23:46:47,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 165 transitions, 380 flow [2024-11-16 23:46:47,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 165 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:47,095 INFO L231 Difference]: Finished difference. Result has 166 places, 165 transitions, 342 flow [2024-11-16 23:46:47,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=166, PETRI_TRANSITIONS=165} [2024-11-16 23:46:47,097 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -29 predicate places. [2024-11-16 23:46:47,098 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 165 transitions, 342 flow [2024-11-16 23:46:47,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 23:46:47,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:47,099 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] [2024-11-16 23:46:47,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:46:47,099 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:47,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:47,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1950987147, now seen corresponding path program 1 times [2024-11-16 23:46:47,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:47,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000197718] [2024-11-16 23:46:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:47,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:47,164 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 23:46:47,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:47,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000197718] [2024-11-16 23:46:47,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000197718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:47,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:47,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:47,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669171140] [2024-11-16 23:46:47,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:47,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:47,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:47,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:47,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:47,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 214 [2024-11-16 23:46:47,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 165 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 23:46:47,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:47,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 214 [2024-11-16 23:46:47,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:47,338 INFO L124 PetriNetUnfolderBase]: 199/867 cut-off events. [2024-11-16 23:46:47,338 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:46:47,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 867 events. 199/867 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4954 event pairs, 90 based on Foata normal form. 0/698 useless extension candidates. Maximal degree in co-relation 1114. Up to 274 conditions per place. [2024-11-16 23:46:47,346 INFO L140 encePairwiseOnDemand]: 209/214 looper letters, 20 selfloop transitions, 1 changer transitions 0/161 dead transitions. [2024-11-16 23:46:47,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 161 transitions, 376 flow [2024-11-16 23:46:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2024-11-16 23:46:47,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8052959501557633 [2024-11-16 23:46:47,348 INFO L175 Difference]: Start difference. First operand has 166 places, 165 transitions, 342 flow. Second operand 3 states and 517 transitions. [2024-11-16 23:46:47,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 161 transitions, 376 flow [2024-11-16 23:46:47,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 161 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:47,351 INFO L231 Difference]: Finished difference. Result has 162 places, 161 transitions, 332 flow [2024-11-16 23:46:47,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=162, PETRI_TRANSITIONS=161} [2024-11-16 23:46:47,352 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -33 predicate places. [2024-11-16 23:46:47,352 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 161 transitions, 332 flow [2024-11-16 23:46:47,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 23:46:47,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:47,353 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] [2024-11-16 23:46:47,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:46:47,354 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:47,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2002043017, now seen corresponding path program 1 times [2024-11-16 23:46:47,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:47,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642699364] [2024-11-16 23:46:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:47,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:47,409 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 23:46:47,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:47,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642699364] [2024-11-16 23:46:47,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642699364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:47,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:47,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:47,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732781034] [2024-11-16 23:46:47,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:47,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:47,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:47,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:47,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:47,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-11-16 23:46:47,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 161 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 23:46:47,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:47,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-11-16 23:46:47,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:47,542 INFO L124 PetriNetUnfolderBase]: 232/875 cut-off events. [2024-11-16 23:46:47,542 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-16 23:46:47,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 875 events. 232/875 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4786 event pairs, 103 based on Foata normal form. 0/714 useless extension candidates. Maximal degree in co-relation 1154. Up to 309 conditions per place. [2024-11-16 23:46:47,553 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 16 selfloop transitions, 1 changer transitions 0/159 dead transitions. [2024-11-16 23:46:47,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 362 flow [2024-11-16 23:46:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-16 23:46:47,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.82398753894081 [2024-11-16 23:46:47,556 INFO L175 Difference]: Start difference. First operand has 162 places, 161 transitions, 332 flow. Second operand 3 states and 529 transitions. [2024-11-16 23:46:47,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 362 flow [2024-11-16 23:46:47,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:47,559 INFO L231 Difference]: Finished difference. Result has 161 places, 159 transitions, 329 flow [2024-11-16 23:46:47,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=161, PETRI_TRANSITIONS=159} [2024-11-16 23:46:47,561 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -34 predicate places. [2024-11-16 23:46:47,561 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 159 transitions, 329 flow [2024-11-16 23:46:47,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 23:46:47,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:47,562 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] [2024-11-16 23:46:47,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:46:47,562 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:47,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash 983645382, now seen corresponding path program 1 times [2024-11-16 23:46:47,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:47,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452930976] [2024-11-16 23:46:47,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:47,611 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 23:46:47,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:47,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452930976] [2024-11-16 23:46:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452930976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:47,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:47,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314323274] [2024-11-16 23:46:47,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:47,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:47,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:47,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:47,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:47,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-11-16 23:46:47,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 159 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 23:46:47,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:47,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-11-16 23:46:47,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:47,766 INFO L124 PetriNetUnfolderBase]: 300/998 cut-off events. [2024-11-16 23:46:47,766 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-11-16 23:46:47,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 998 events. 300/998 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5562 event pairs, 28 based on Foata normal form. 0/867 useless extension candidates. Maximal degree in co-relation 1372. Up to 332 conditions per place. [2024-11-16 23:46:47,801 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 25 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-11-16 23:46:47,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 167 transitions, 405 flow [2024-11-16 23:46:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2024-11-16 23:46:47,803 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.839563862928349 [2024-11-16 23:46:47,803 INFO L175 Difference]: Start difference. First operand has 161 places, 159 transitions, 329 flow. Second operand 3 states and 539 transitions. [2024-11-16 23:46:47,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 167 transitions, 405 flow [2024-11-16 23:46:47,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 167 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:47,806 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 334 flow [2024-11-16 23:46:47,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2024-11-16 23:46:47,807 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -34 predicate places. [2024-11-16 23:46:47,807 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 334 flow [2024-11-16 23:46:47,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 23:46:47,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:47,808 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] [2024-11-16 23:46:47,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:46:47,809 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:47,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash 804318415, now seen corresponding path program 1 times [2024-11-16 23:46:47,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:47,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17547707] [2024-11-16 23:46:47,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:47,868 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 23:46:47,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:47,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17547707] [2024-11-16 23:46:47,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17547707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:47,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:47,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:46:47,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143068109] [2024-11-16 23:46:47,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:47,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:46:47,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:46:47,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:46:47,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 214 [2024-11-16 23:46:47,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 334 flow. Second operand has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 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 23:46:47,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:47,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 214 [2024-11-16 23:46:47,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:48,029 INFO L124 PetriNetUnfolderBase]: 169/842 cut-off events. [2024-11-16 23:46:48,029 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-16 23:46:48,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 842 events. 169/842 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4627 event pairs, 54 based on Foata normal form. 0/729 useless extension candidates. Maximal degree in co-relation 1073. Up to 241 conditions per place. [2024-11-16 23:46:48,040 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 23 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2024-11-16 23:46:48,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 400 flow [2024-11-16 23:46:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:46:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:46:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 854 transitions. [2024-11-16 23:46:48,043 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7981308411214953 [2024-11-16 23:46:48,043 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 334 flow. Second operand 5 states and 854 transitions. [2024-11-16 23:46:48,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 400 flow [2024-11-16 23:46:48,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 400 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:46:48,046 INFO L231 Difference]: Finished difference. Result has 169 places, 162 transitions, 372 flow [2024-11-16 23:46:48,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=372, PETRI_PLACES=169, PETRI_TRANSITIONS=162} [2024-11-16 23:46:48,047 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -26 predicate places. [2024-11-16 23:46:48,047 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 162 transitions, 372 flow [2024-11-16 23:46:48,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 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 23:46:48,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:48,048 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] [2024-11-16 23:46:48,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:46:48,049 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:48,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:48,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1993823070, now seen corresponding path program 1 times [2024-11-16 23:46:48,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:48,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526202282] [2024-11-16 23:46:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:48,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:48,083 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 23:46:48,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526202282] [2024-11-16 23:46:48,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526202282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:48,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:48,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:48,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452562763] [2024-11-16 23:46:48,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:48,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:48,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:48,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:48,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:48,100 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-11-16 23:46:48,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 162 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 23:46:48,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:48,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-11-16 23:46:48,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:48,312 INFO L124 PetriNetUnfolderBase]: 376/1322 cut-off events. [2024-11-16 23:46:48,313 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-16 23:46:48,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1322 events. 376/1322 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 8383 event pairs, 50 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 1852. Up to 382 conditions per place. [2024-11-16 23:46:48,329 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 26 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2024-11-16 23:46:48,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 171 transitions, 453 flow [2024-11-16 23:46:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2024-11-16 23:46:48,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8411214953271028 [2024-11-16 23:46:48,331 INFO L175 Difference]: Start difference. First operand has 169 places, 162 transitions, 372 flow. Second operand 3 states and 540 transitions. [2024-11-16 23:46:48,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 171 transitions, 453 flow [2024-11-16 23:46:48,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 171 transitions, 453 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:46:48,336 INFO L231 Difference]: Finished difference. Result has 170 places, 161 transitions, 378 flow [2024-11-16 23:46:48,336 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=170, PETRI_TRANSITIONS=161} [2024-11-16 23:46:48,337 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -25 predicate places. [2024-11-16 23:46:48,338 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 161 transitions, 378 flow [2024-11-16 23:46:48,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 23:46:48,338 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:48,338 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] [2024-11-16 23:46:48,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:46:48,339 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:48,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:48,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1972308934, now seen corresponding path program 1 times [2024-11-16 23:46:48,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:48,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459716974] [2024-11-16 23:46:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:48,403 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 23:46:48,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:48,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459716974] [2024-11-16 23:46:48,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459716974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:48,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:48,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:48,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460525929] [2024-11-16 23:46:48,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:48,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:48,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:48,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:48,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:48,409 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-11-16 23:46:48,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 161 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 23:46:48,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:48,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-11-16 23:46:48,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:48,619 INFO L124 PetriNetUnfolderBase]: 363/1373 cut-off events. [2024-11-16 23:46:48,619 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-16 23:46:48,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1373 events. 363/1373 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 9194 event pairs, 61 based on Foata normal form. 0/1195 useless extension candidates. Maximal degree in co-relation 1966. Up to 340 conditions per place. [2024-11-16 23:46:48,634 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-16 23:46:48,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 431 flow [2024-11-16 23:46:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-16 23:46:48,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-11-16 23:46:48,636 INFO L175 Difference]: Start difference. First operand has 170 places, 161 transitions, 378 flow. Second operand 3 states and 543 transitions. [2024-11-16 23:46:48,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 431 flow [2024-11-16 23:46:48,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 166 transitions, 431 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:46:48,640 INFO L231 Difference]: Finished difference. Result has 171 places, 160 transitions, 380 flow [2024-11-16 23:46:48,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=171, PETRI_TRANSITIONS=160} [2024-11-16 23:46:48,640 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -24 predicate places. [2024-11-16 23:46:48,641 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 160 transitions, 380 flow [2024-11-16 23:46:48,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 23:46:48,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:48,641 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] [2024-11-16 23:46:48,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:46:48,642 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:48,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1376731764, now seen corresponding path program 1 times [2024-11-16 23:46:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:48,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281813261] [2024-11-16 23:46:48,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:48,704 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 23:46:48,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:48,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281813261] [2024-11-16 23:46:48,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281813261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:48,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:48,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:48,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325488584] [2024-11-16 23:46:48,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:48,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:48,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:48,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:48,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:48,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-11-16 23:46:48,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 160 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 23:46:48,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:48,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-11-16 23:46:48,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:48,905 INFO L124 PetriNetUnfolderBase]: 416/1381 cut-off events. [2024-11-16 23:46:48,905 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-11-16 23:46:48,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2235 conditions, 1381 events. 416/1381 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 9018 event pairs, 75 based on Foata normal form. 0/1226 useless extension candidates. Maximal degree in co-relation 2171. Up to 344 conditions per place. [2024-11-16 23:46:48,919 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-16 23:46:48,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 165 transitions, 435 flow [2024-11-16 23:46:48,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-16 23:46:48,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-11-16 23:46:48,921 INFO L175 Difference]: Start difference. First operand has 171 places, 160 transitions, 380 flow. Second operand 3 states and 543 transitions. [2024-11-16 23:46:48,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 165 transitions, 435 flow [2024-11-16 23:46:48,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 165 transitions, 429 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:48,926 INFO L231 Difference]: Finished difference. Result has 170 places, 159 transitions, 378 flow [2024-11-16 23:46:48,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=170, PETRI_TRANSITIONS=159} [2024-11-16 23:46:48,927 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -25 predicate places. [2024-11-16 23:46:48,927 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 159 transitions, 378 flow [2024-11-16 23:46:48,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 23:46:48,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:48,928 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] [2024-11-16 23:46:48,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:46:48,928 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:48,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 266428783, now seen corresponding path program 1 times [2024-11-16 23:46:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:48,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580880762] [2024-11-16 23:46:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:48,968 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 23:46:48,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:48,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580880762] [2024-11-16 23:46:48,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580880762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:48,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:48,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:48,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485214090] [2024-11-16 23:46:48,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:48,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:48,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:48,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:48,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:48,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-11-16 23:46:48,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 159 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 23:46:48,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:48,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-11-16 23:46:48,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:49,160 INFO L124 PetriNetUnfolderBase]: 507/1401 cut-off events. [2024-11-16 23:46:49,160 INFO L125 PetriNetUnfolderBase]: For 265/265 co-relation queries the response was YES. [2024-11-16 23:46:49,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2419 conditions, 1401 events. 507/1401 cut-off events. For 265/265 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8656 event pairs, 79 based on Foata normal form. 0/1277 useless extension candidates. Maximal degree in co-relation 2355. Up to 399 conditions per place. [2024-11-16 23:46:49,174 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-16 23:46:49,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 164 transitions, 433 flow [2024-11-16 23:46:49,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-16 23:46:49,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-11-16 23:46:49,177 INFO L175 Difference]: Start difference. First operand has 170 places, 159 transitions, 378 flow. Second operand 3 states and 543 transitions. [2024-11-16 23:46:49,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 164 transitions, 433 flow [2024-11-16 23:46:49,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 164 transitions, 427 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:49,181 INFO L231 Difference]: Finished difference. Result has 169 places, 158 transitions, 376 flow [2024-11-16 23:46:49,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=169, PETRI_TRANSITIONS=158} [2024-11-16 23:46:49,182 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -26 predicate places. [2024-11-16 23:46:49,183 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 158 transitions, 376 flow [2024-11-16 23:46:49,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 23:46:49,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:49,184 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] [2024-11-16 23:46:49,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:46:49,185 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:49,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:49,185 INFO L85 PathProgramCache]: Analyzing trace with hash -927525932, now seen corresponding path program 1 times [2024-11-16 23:46:49,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:49,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318143710] [2024-11-16 23:46:49,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:49,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:49,226 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 23:46:49,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:49,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318143710] [2024-11-16 23:46:49,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318143710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:49,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:49,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:49,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365212603] [2024-11-16 23:46:49,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:49,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:49,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:49,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:49,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:49,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-11-16 23:46:49,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 158 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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 23:46:49,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:49,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-11-16 23:46:49,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:49,417 INFO L124 PetriNetUnfolderBase]: 514/1468 cut-off events. [2024-11-16 23:46:49,418 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-16 23:46:49,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2428 conditions, 1468 events. 514/1468 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 8920 event pairs, 91 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 2364. Up to 376 conditions per place. [2024-11-16 23:46:49,430 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-11-16 23:46:49,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 163 transitions, 431 flow [2024-11-16 23:46:49,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-16 23:46:49,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-11-16 23:46:49,432 INFO L175 Difference]: Start difference. First operand has 169 places, 158 transitions, 376 flow. Second operand 3 states and 543 transitions. [2024-11-16 23:46:49,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 163 transitions, 431 flow [2024-11-16 23:46:49,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 163 transitions, 425 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:49,436 INFO L231 Difference]: Finished difference. Result has 168 places, 157 transitions, 374 flow [2024-11-16 23:46:49,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=168, PETRI_TRANSITIONS=157} [2024-11-16 23:46:49,437 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -27 predicate places. [2024-11-16 23:46:49,437 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 157 transitions, 374 flow [2024-11-16 23:46:49,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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 23:46:49,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:49,438 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 23:46:49,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:46:49,439 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-11-16 23:46:49,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1086041857, now seen corresponding path program 1 times [2024-11-16 23:46:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:49,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352903016] [2024-11-16 23:46:49,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:49,491 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 23:46:49,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:49,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352903016] [2024-11-16 23:46:49,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352903016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:49,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:49,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:49,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067059170] [2024-11-16 23:46:49,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:49,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:49,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:49,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:49,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:49,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-11-16 23:46:49,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 157 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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 23:46:49,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:49,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-11-16 23:46:49,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:49,618 INFO L124 PetriNetUnfolderBase]: 220/1023 cut-off events. [2024-11-16 23:46:49,618 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-16 23:46:49,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1464 conditions, 1023 events. 220/1023 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6231 event pairs, 79 based on Foata normal form. 1/957 useless extension candidates. Maximal degree in co-relation 1400. Up to 307 conditions per place. [2024-11-16 23:46:49,624 INFO L140 encePairwiseOnDemand]: 212/214 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2024-11-16 23:46:49,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 156 transitions, 398 flow [2024-11-16 23:46:49,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2024-11-16 23:46:49,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8348909657320872 [2024-11-16 23:46:49,626 INFO L175 Difference]: Start difference. First operand has 168 places, 157 transitions, 374 flow. Second operand 3 states and 536 transitions. [2024-11-16 23:46:49,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 156 transitions, 398 flow [2024-11-16 23:46:49,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 156 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:49,629 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2024-11-16 23:46:49,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2024-11-16 23:46:49,630 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -28 predicate places. [2024-11-16 23:46:49,630 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2024-11-16 23:46:49,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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 23:46:49,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (66 of 67 remaining) [2024-11-16 23:46:49,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 67 remaining) [2024-11-16 23:46:49,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (64 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (63 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (62 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (61 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (60 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (56 of 67 remaining) [2024-11-16 23:46:49,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (55 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (51 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 67 remaining) [2024-11-16 23:46:49,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (44 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 67 remaining) [2024-11-16 23:46:49,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (32 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (31 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (30 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (29 of 67 remaining) [2024-11-16 23:46:49,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (28 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (27 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (26 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 67 remaining) [2024-11-16 23:46:49,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 67 remaining) [2024-11-16 23:46:49,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (5 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (4 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (3 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 67 remaining) [2024-11-16 23:46:49,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 67 remaining) [2024-11-16 23:46:49,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:46:49,641 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:49,646 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:46:49,647 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:46:49,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:49 BasicIcfg [2024-11-16 23:46:49,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:46:49,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:46:49,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:46:49,652 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:46:49,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:45" (3/4) ... [2024-11-16 23:46:49,654 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:46:49,657 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:46:49,657 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:46:49,657 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:46:49,657 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-16 23:46:49,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-16 23:46:49,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:46:49,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-16 23:46:49,663 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:46:49,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:46:49,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:46:49,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:46:49,756 INFO L158 Benchmark]: Toolchain (without parser) took 5580.83ms. Allocated memory was 165.7MB in the beginning and 293.6MB in the end (delta: 127.9MB). Free memory was 112.4MB in the beginning and 111.6MB in the end (delta: 749.5kB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,756 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.6MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:49,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.77ms. Allocated memory is still 165.7MB. Free memory was 111.9MB in the beginning and 133.1MB in the end (delta: -21.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.14ms. Allocated memory is still 165.7MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,757 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,757 INFO L158 Benchmark]: IcfgBuilder took 788.80ms. Allocated memory is still 165.7MB. Free memory was 129.5MB in the beginning and 93.3MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,757 INFO L158 Benchmark]: TraceAbstraction took 4294.73ms. Allocated memory was 165.7MB in the beginning and 293.6MB in the end (delta: 127.9MB). Free memory was 93.0MB in the beginning and 117.9MB in the end (delta: -25.0MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,758 INFO L158 Benchmark]: Witness Printer took 103.11ms. Allocated memory is still 293.6MB. Free memory was 117.9MB in the beginning and 111.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:46:49,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.6MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.77ms. Allocated memory is still 165.7MB. Free memory was 111.9MB in the beginning and 133.1MB in the end (delta: -21.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.14ms. Allocated memory is still 165.7MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 788.80ms. Allocated memory is still 165.7MB. Free memory was 129.5MB in the beginning and 93.3MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4294.73ms. Allocated memory was 165.7MB in the beginning and 293.6MB in the end (delta: 127.9MB). Free memory was 93.0MB in the beginning and 117.9MB in the end (delta: -25.0MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. * Witness Printer took 103.11ms. Allocated memory is still 293.6MB. Free memory was 117.9MB in the beginning and 111.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 273 locations, 67 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 524 IncrementalHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 74 mSDtfsCounter, 524 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 937 NumberOfCodeBlocks, 937 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 923 ConstructedInterpolants, 0 QuantifiedInterpolants, 951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:46:49,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE