./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/bigshot_s.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.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 f5087dd184ff341c669836d70897382235e3d7ba845639fd2a00fee49ba5444a --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:12:47,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:12:47,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:12:47,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:12:47,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:12:47,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:12:47,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:12:47,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:12:47,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:12:47,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:12:47,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:12:47,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:12:47,487 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:12:47,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:12:47,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:12:47,487 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:12:47,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:12:47,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:12:47,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:12:47,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:12:47,489 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:12:47,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:12:47,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:12:47,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:12:47,490 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> f5087dd184ff341c669836d70897382235e3d7ba845639fd2a00fee49ba5444a [2025-04-29 11:12:47,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:12:47,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:12:47,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:12:47,687 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:12:47,688 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:12:47,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.c [2025-04-29 11:12:48,955 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956bdca55/6f5fe76e56e04c789073dbc5fdd0b7cb/FLAG4ef558e28 [2025-04-29 11:12:49,147 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:12:49,147 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.c [2025-04-29 11:12:49,148 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:49,148 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:49,149 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:49,149 WARN L117 ultiparseSymbolTable]: System include string.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:49,159 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956bdca55/6f5fe76e56e04c789073dbc5fdd0b7cb/FLAG4ef558e28 [2025-04-29 11:12:50,006 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956bdca55/6f5fe76e56e04c789073dbc5fdd0b7cb [2025-04-29 11:12:50,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:12:50,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:12:50,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:12:50,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:12:50,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:12:50,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353afea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50, skipping insertion in model container [2025-04-29 11:12:50,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:12:50,194 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:12:50,202 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:12:50,239 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:12:50,251 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:12:50,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50 WrapperNode [2025-04-29 11:12:50,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:12:50,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:12:50,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:12:50,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:12:50,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,281 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2025-04-29 11:12:50,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:12:50,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:12:50,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:12:50,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:12:50,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:12:50,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:12:50,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:12:50,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:12:50,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (1/1) ... [2025-04-29 11:12:50,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:12:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:12:50,332 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) [2025-04-29 11:12:50,337 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 [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-29 11:12:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-29 11:12:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:12:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:12:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-29 11:12:50,355 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-29 11:12:50,415 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:12:50,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:12:50,540 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:12:50,540 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:12:50,547 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:12:50,547 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 11:12:50,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:12:50 BoogieIcfgContainer [2025-04-29 11:12:50,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:12:50,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:12:50,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:12:50,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:12:50,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:12:50" (1/3) ... [2025-04-29 11:12:50,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3660c2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:12:50, skipping insertion in model container [2025-04-29 11:12:50,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:50" (2/3) ... [2025-04-29 11:12:50,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3660c2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:12:50, skipping insertion in model container [2025-04-29 11:12:50,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:12:50" (3/3) ... [2025-04-29 11:12:50,554 INFO L128 eAbstractionObserver]: Analyzing ICFG bigshot_s.c [2025-04-29 11:12:50,566 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:12:50,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s.c that has 3 procedures, 93 locations, 95 edges, 1 initial locations, 1 loop locations, and 6 error locations. [2025-04-29 11:12:50,570 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:12:50,627 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-29 11:12:50,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 97 transitions, 208 flow [2025-04-29 11:12:50,695 INFO L116 PetriNetUnfolderBase]: 5/95 cut-off events. [2025-04-29 11:12:50,696 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-29 11:12:50,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 95 events. 5/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2025-04-29 11:12:50,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 97 transitions, 208 flow [2025-04-29 11:12:50,704 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 77 transitions, 166 flow [2025-04-29 11:12:50,711 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:12:50,719 INFO L340 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;@75d2ce20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:12:50,719 INFO L341 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-04-29 11:12:50,726 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:12:50,726 INFO L116 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-04-29 11:12:50,726 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:12:50,726 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:50,726 INFO L206 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] [2025-04-29 11:12:50,727 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-29 11:12:50,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:50,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1427087171, now seen corresponding path program 1 times [2025-04-29 11:12:50,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:50,736 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824777941] [2025-04-29 11:12:50,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:50,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-29 11:12:50,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-29 11:12:50,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:50,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:12:50,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:50,879 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824777941] [2025-04-29 11:12:50,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824777941] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:50,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:50,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:12:50,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333848815] [2025-04-29 11:12:50,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:50,887 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:12:50,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:50,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:12:50,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:12:50,931 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97 [2025-04-29 11:12:50,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2025-04-29 11:12:50,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:50,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97 [2025-04-29 11:12:50,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:50,959 INFO L116 PetriNetUnfolderBase]: 2/75 cut-off events. [2025-04-29 11:12:50,961 INFO L117 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-04-29 11:12:50,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 75 events. 2/75 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 51. Up to 11 conditions per place. [2025-04-29 11:12:50,962 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 10 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2025-04-29 11:12:50,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 186 flow [2025-04-29 11:12:50,964 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:12:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:12:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2025-04-29 11:12:50,972 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8831615120274914 [2025-04-29 11:12:50,973 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 166 flow. Second operand 3 states and 257 transitions. [2025-04-29 11:12:50,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 186 flow [2025-04-29 11:12:50,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 178 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-04-29 11:12:50,978 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 158 flow [2025-04-29 11:12:50,980 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2025-04-29 11:12:50,982 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2025-04-29 11:12:50,982 INFO L485 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 158 flow [2025-04-29 11:12:50,983 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2025-04-29 11:12:50,983 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:50,983 INFO L206 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] [2025-04-29 11:12:50,983 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:12:50,983 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-29 11:12:50,984 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:50,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2092452466, now seen corresponding path program 1 times [2025-04-29 11:12:50,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:50,984 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34287103] [2025-04-29 11:12:50,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:50,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-29 11:12:51,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-29 11:12:51,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:51,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:12:51,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:51,045 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34287103] [2025-04-29 11:12:51,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34287103] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:51,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:51,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:12:51,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773197530] [2025-04-29 11:12:51,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:51,047 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:12:51,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:51,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:12:51,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:12:51,065 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2025-04-29 11:12:51,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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) [2025-04-29 11:12:51,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:51,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2025-04-29 11:12:51,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:51,090 INFO L116 PetriNetUnfolderBase]: 2/71 cut-off events. [2025-04-29 11:12:51,091 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-29 11:12:51,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 71 events. 2/71 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 9 conditions per place. [2025-04-29 11:12:51,091 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 12 selfloop transitions, 1 changer transitions 0/71 dead transitions. [2025-04-29 11:12:51,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 71 transitions, 176 flow [2025-04-29 11:12:51,092 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:12:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:12:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2025-04-29 11:12:51,094 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.852233676975945 [2025-04-29 11:12:51,094 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 158 flow. Second operand 3 states and 248 transitions. [2025-04-29 11:12:51,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 71 transitions, 176 flow [2025-04-29 11:12:51,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 71 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:12:51,095 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 148 flow [2025-04-29 11:12:51,096 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2025-04-29 11:12:51,100 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -7 predicate places. [2025-04-29 11:12:51,100 INFO L485 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 148 flow [2025-04-29 11:12:51,100 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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) [2025-04-29 11:12:51,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:51,100 INFO L206 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] [2025-04-29 11:12:51,100 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:12:51,100 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-29 11:12:51,101 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:51,101 INFO L85 PathProgramCache]: Analyzing trace with hash 955471427, now seen corresponding path program 1 times [2025-04-29 11:12:51,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:51,101 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80705657] [2025-04-29 11:12:51,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:51,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:51,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-29 11:12:51,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-29 11:12:51,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:51,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:12:51,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:51,252 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80705657] [2025-04-29 11:12:51,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80705657] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:51,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:51,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-29 11:12:51,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082837887] [2025-04-29 11:12:51,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:51,252 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-29 11:12:51,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:51,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-29 11:12:51,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-29 11:12:51,275 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 97 [2025-04-29 11:12:51,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2025-04-29 11:12:51,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:51,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 97 [2025-04-29 11:12:51,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:51,319 INFO L116 PetriNetUnfolderBase]: 1/70 cut-off events. [2025-04-29 11:12:51,319 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-29 11:12:51,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 70 events. 1/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 32. Up to 4 conditions per place. [2025-04-29 11:12:51,321 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 5 selfloop transitions, 3 changer transitions 0/70 dead transitions. [2025-04-29 11:12:51,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 70 transitions, 162 flow [2025-04-29 11:12:51,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 11:12:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-29 11:12:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 434 transitions. [2025-04-29 11:12:51,322 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8948453608247423 [2025-04-29 11:12:51,323 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 148 flow. Second operand 5 states and 434 transitions. [2025-04-29 11:12:51,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 70 transitions, 162 flow [2025-04-29 11:12:51,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 70 transitions, 161 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:12:51,326 INFO L231 Difference]: Finished difference. Result has 77 places, 70 transitions, 151 flow [2025-04-29 11:12:51,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=77, PETRI_TRANSITIONS=70} [2025-04-29 11:12:51,327 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -4 predicate places. [2025-04-29 11:12:51,328 INFO L485 AbstractCegarLoop]: Abstraction has has 77 places, 70 transitions, 151 flow [2025-04-29 11:12:51,328 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2025-04-29 11:12:51,328 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:51,328 INFO L206 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] [2025-04-29 11:12:51,328 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:12:51,329 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-29 11:12:51,329 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:51,330 INFO L85 PathProgramCache]: Analyzing trace with hash -241160059, now seen corresponding path program 1 times [2025-04-29 11:12:51,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:51,330 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696847283] [2025-04-29 11:12:51,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:51,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:51,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-29 11:12:51,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-29 11:12:51,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:51,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:12:51,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:51,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696847283] [2025-04-29 11:12:51,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696847283] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:51,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:51,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:12:51,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672547798] [2025-04-29 11:12:51,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:51,455 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:12:51,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:51,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:12:51,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:12:51,471 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 97 [2025-04-29 11:12:51,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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) [2025-04-29 11:12:51,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:51,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 97 [2025-04-29 11:12:51,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:51,483 INFO L116 PetriNetUnfolderBase]: 1/69 cut-off events. [2025-04-29 11:12:51,484 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-29 11:12:51,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 69 events. 1/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 48. Up to 7 conditions per place. [2025-04-29 11:12:51,484 INFO L140 encePairwiseOnDemand]: 95/97 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-04-29 11:12:51,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 69 transitions, 163 flow [2025-04-29 11:12:51,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:12:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:12:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2025-04-29 11:12:51,485 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9037800687285223 [2025-04-29 11:12:51,485 INFO L175 Difference]: Start difference. First operand has 77 places, 70 transitions, 151 flow. Second operand 3 states and 263 transitions. [2025-04-29 11:12:51,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 69 transitions, 163 flow [2025-04-29 11:12:51,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 69 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-29 11:12:51,486 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2025-04-29 11:12:51,486 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2025-04-29 11:12:51,487 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -6 predicate places. [2025-04-29 11:12:51,487 INFO L485 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2025-04-29 11:12:51,487 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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) [2025-04-29 11:12:51,489 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2025-04-29 11:12:51,489 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2025-04-29 11:12:51,489 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2025-04-29 11:12:51,489 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2025-04-29 11:12:51,489 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2025-04-29 11:12:51,490 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2025-04-29 11:12:51,490 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2025-04-29 11:12:51,490 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2025-04-29 11:12:51,490 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2025-04-29 11:12:51,490 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2025-04-29 11:12:51,490 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2025-04-29 11:12:51,490 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:12:51,490 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-29 11:12:51,494 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:12:51,494 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:12:51,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:12:51 BasicIcfg [2025-04-29 11:12:51,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:12:51,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:12:51,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:12:51,498 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:12:51,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:12:50" (3/4) ... [2025-04-29 11:12:51,499 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:12:51,501 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-04-29 11:12:51,501 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-04-29 11:12:51,504 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-04-29 11:12:51,504 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:12:51,504 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-04-29 11:12:51,504 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-29 11:12:51,548 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:12:51,549 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:12:51,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:12:51,550 INFO L158 Benchmark]: Toolchain (without parser) took 1539.73ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 57.6MB in the end (delta: 50.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2025-04-29 11:12:51,550 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:12:51,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.05ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 93.5MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:51,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.66ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:51,552 INFO L158 Benchmark]: Boogie Preprocessor took 21.85ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.7MB in the end (delta: 688.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:12:51,553 INFO L158 Benchmark]: RCFGBuilder took 244.11ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 77.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:51,553 INFO L158 Benchmark]: TraceAbstraction took 948.31ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 63.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2025-04-29 11:12:51,553 INFO L158 Benchmark]: Witness Printer took 50.98ms. Allocated memory is still 142.6MB. Free memory was 63.1MB in the beginning and 57.6MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:51,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.05ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 93.5MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.66ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.85ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.7MB in the end (delta: 688.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.11ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 77.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 948.31ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 63.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 50.98ms. Allocated memory is still 142.6MB. Free memory was 63.1MB in the beginning and 57.6MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 29]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 29]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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 5 procedures, 130 locations, 137 edges, 11 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: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0.3s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 258 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:12:51,565 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