./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/bigshot_s2.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_s2.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 b1c9926ef1a542691da0bbc2caae83d3d245c7fc81e06ca7a92bd57a51ff68c4 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:12:48,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:12:48,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:12:48,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:12:48,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:12:48,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:12:48,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:12:48,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:12:48,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:12:48,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:12:48,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:12:48,619 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:12:48,620 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:12:48,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:12:48,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:12:48,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:12:48,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:12:48,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:12:48,621 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 -> b1c9926ef1a542691da0bbc2caae83d3d245c7fc81e06ca7a92bd57a51ff68c4 [2025-04-29 11:12:48,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:12:48,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:12:48,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:12:48,858 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:12:48,858 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:12:48,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s2.c [2025-04-29 11:12:50,087 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8e69e6a/f37cefc1218547f1ba5ca2c4abb2960b/FLAG73bf291bd [2025-04-29 11:12:50,277 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:12:50,278 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.c [2025-04-29 11:12:50,279 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:50,280 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:50,280 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:50,280 WARN L117 ultiparseSymbolTable]: System include string.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:12:50,286 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8e69e6a/f37cefc1218547f1ba5ca2c4abb2960b/FLAG73bf291bd [2025-04-29 11:12:51,136 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8e69e6a/f37cefc1218547f1ba5ca2c4abb2960b [2025-04-29 11:12:51,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:12:51,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:12:51,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:12:51,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:12:51,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:12:51,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352a55e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51, skipping insertion in model container [2025-04-29 11:12:51,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:12:51,295 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:12:51,302 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:12:51,321 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:12:51,332 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:12:51,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51 WrapperNode [2025-04-29 11:12:51,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:12:51,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:12:51,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:12:51,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:12:51,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,358 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2025-04-29 11:12:51,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:12:51,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:12:51,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:12:51,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:12:51,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:12:51,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:12:51,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:12:51,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:12:51,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (1/1) ... [2025-04-29 11:12:51,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:12:51,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:12:51,405 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 11:12:51,407 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 11:12:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:12:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-29 11:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-29 11:12:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-29 11:12:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-29 11:12:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:12:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-04-29 11:12:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-29 11:12:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:12:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:12:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-29 11:12:51,424 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 11:12:51,497 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:12:51,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:12:51,660 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:12:51,661 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:12:51,672 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:12:51,673 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 11:12:51,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:12:51 BoogieIcfgContainer [2025-04-29 11:12:51,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:12:51,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:12:51,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:12:51,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:12:51,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:12:51" (1/3) ... [2025-04-29 11:12:51,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654e310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:12:51, skipping insertion in model container [2025-04-29 11:12:51,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:12:51" (2/3) ... [2025-04-29 11:12:51,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654e310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:12:51, skipping insertion in model container [2025-04-29 11:12:51,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:12:51" (3/3) ... [2025-04-29 11:12:51,683 INFO L128 eAbstractionObserver]: Analyzing ICFG bigshot_s2.c [2025-04-29 11:12:51,695 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:12:51,696 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s2.c that has 3 procedures, 86 locations, 87 edges, 1 initial locations, 1 loop locations, and 5 error locations. [2025-04-29 11:12:51,697 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:12:51,748 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-29 11:12:51,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 89 transitions, 192 flow [2025-04-29 11:12:51,804 INFO L116 PetriNetUnfolderBase]: 4/87 cut-off events. [2025-04-29 11:12:51,805 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-29 11:12:51,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 87 events. 4/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2025-04-29 11:12:51,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 89 transitions, 192 flow [2025-04-29 11:12:51,812 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 72 transitions, 156 flow [2025-04-29 11:12:51,821 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:12:51,833 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;@375b6543, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:12:51,833 INFO L341 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-04-29 11:12:51,845 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:12:51,846 INFO L116 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-04-29 11:12:51,847 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:12:51,847 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:51,847 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 11:12:51,848 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:12:51,851 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:51,852 INFO L85 PathProgramCache]: Analyzing trace with hash -691424024, now seen corresponding path program 1 times [2025-04-29 11:12:51,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:51,857 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388675162] [2025-04-29 11:12:51,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:51,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:51,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-29 11:12:51,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-29 11:12:51,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:51,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:51,995 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 11:12:51,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:51,996 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388675162] [2025-04-29 11:12:51,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388675162] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:51,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:51,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:12:51,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099312962] [2025-04-29 11:12:51,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:52,004 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:12:52,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:52,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:12:52,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:12:52,048 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 89 [2025-04-29 11:12:52,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 11:12:52,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:52,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 89 [2025-04-29 11:12:52,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:52,074 INFO L116 PetriNetUnfolderBase]: 2/70 cut-off events. [2025-04-29 11:12:52,074 INFO L117 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-04-29 11:12:52,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 70 events. 2/70 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 45. Up to 10 conditions per place. [2025-04-29 11:12:52,075 INFO L140 encePairwiseOnDemand]: 85/89 looper letters, 9 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2025-04-29 11:12:52,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 70 transitions, 174 flow [2025-04-29 11:12:52,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:12:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:12:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2025-04-29 11:12:52,088 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8801498127340824 [2025-04-29 11:12:52,090 INFO L175 Difference]: Start difference. First operand has 76 places, 72 transitions, 156 flow. Second operand 3 states and 235 transitions. [2025-04-29 11:12:52,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 70 transitions, 174 flow [2025-04-29 11:12:52,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 70 transitions, 166 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-04-29 11:12:52,096 INFO L231 Difference]: Finished difference. Result has 73 places, 70 transitions, 148 flow [2025-04-29 11:12:52,099 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=73, PETRI_TRANSITIONS=70} [2025-04-29 11:12:52,101 INFO L279 CegarLoopForPetriNet]: 76 programPoint places, -3 predicate places. [2025-04-29 11:12:52,101 INFO L485 AbstractCegarLoop]: Abstraction has has 73 places, 70 transitions, 148 flow [2025-04-29 11:12:52,101 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 11:12:52,101 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:52,102 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 11:12:52,102 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:12:52,102 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:12:52,102 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash -84787777, now seen corresponding path program 1 times [2025-04-29 11:12:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:52,103 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692950407] [2025-04-29 11:12:52,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:52,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-29 11:12:52,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-29 11:12:52,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:52,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:52,157 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 11:12:52,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:52,158 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692950407] [2025-04-29 11:12:52,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692950407] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:52,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:52,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:12:52,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67364289] [2025-04-29 11:12:52,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:52,160 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:12:52,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:52,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:12:52,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:12:52,176 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 89 [2025-04-29 11:12:52,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 70 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 11:12:52,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:52,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 89 [2025-04-29 11:12:52,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:52,206 INFO L116 PetriNetUnfolderBase]: 2/67 cut-off events. [2025-04-29 11:12:52,207 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-29 11:12:52,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 67 events. 2/67 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 49. Up to 7 conditions per place. [2025-04-29 11:12:52,208 INFO L140 encePairwiseOnDemand]: 85/89 looper letters, 10 selfloop transitions, 1 changer transitions 0/67 dead transitions. [2025-04-29 11:12:52,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 164 flow [2025-04-29 11:12:52,208 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:12:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:12:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 230 transitions. [2025-04-29 11:12:52,209 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8614232209737828 [2025-04-29 11:12:52,209 INFO L175 Difference]: Start difference. First operand has 73 places, 70 transitions, 148 flow. Second operand 3 states and 230 transitions. [2025-04-29 11:12:52,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 164 flow [2025-04-29 11:12:52,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 67 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:12:52,211 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 140 flow [2025-04-29 11:12:52,211 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2025-04-29 11:12:52,211 INFO L279 CegarLoopForPetriNet]: 76 programPoint places, -6 predicate places. [2025-04-29 11:12:52,211 INFO L485 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 140 flow [2025-04-29 11:12:52,212 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 11:12:52,212 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:52,212 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] [2025-04-29 11:12:52,212 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:12:52,212 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:12:52,213 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash -462948291, now seen corresponding path program 1 times [2025-04-29 11:12:52,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:52,213 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869227047] [2025-04-29 11:12:52,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:52,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-29 11:12:52,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-29 11:12:52,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:52,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:52,333 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 11:12:52,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:52,333 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869227047] [2025-04-29 11:12:52,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869227047] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:52,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:52,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-29 11:12:52,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154111279] [2025-04-29 11:12:52,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:52,334 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-29 11:12:52,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:52,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-29 11:12:52,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-29 11:12:52,358 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 89 [2025-04-29 11:12:52,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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 11:12:52,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:52,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 89 [2025-04-29 11:12:52,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:52,397 INFO L116 PetriNetUnfolderBase]: 1/66 cut-off events. [2025-04-29 11:12:52,397 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-29 11:12:52,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 66 events. 1/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 28. Up to 4 conditions per place. [2025-04-29 11:12:52,398 INFO L140 encePairwiseOnDemand]: 85/89 looper letters, 5 selfloop transitions, 3 changer transitions 0/66 dead transitions. [2025-04-29 11:12:52,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 66 transitions, 154 flow [2025-04-29 11:12:52,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 11:12:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-29 11:12:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 394 transitions. [2025-04-29 11:12:52,400 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8853932584269663 [2025-04-29 11:12:52,400 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 140 flow. Second operand 5 states and 394 transitions. [2025-04-29 11:12:52,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 66 transitions, 154 flow [2025-04-29 11:12:52,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 66 transitions, 153 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:12:52,401 INFO L231 Difference]: Finished difference. Result has 73 places, 66 transitions, 143 flow [2025-04-29 11:12:52,402 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=143, PETRI_PLACES=73, PETRI_TRANSITIONS=66} [2025-04-29 11:12:52,402 INFO L279 CegarLoopForPetriNet]: 76 programPoint places, -3 predicate places. [2025-04-29 11:12:52,402 INFO L485 AbstractCegarLoop]: Abstraction has has 73 places, 66 transitions, 143 flow [2025-04-29 11:12:52,403 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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 11:12:52,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:12:52,403 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] [2025-04-29 11:12:52,403 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:12:52,403 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:12:52,404 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:12:52,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1993214549, now seen corresponding path program 1 times [2025-04-29 11:12:52,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:12:52,404 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905561266] [2025-04-29 11:12:52,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:12:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:12:52,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-29 11:12:52,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-29 11:12:52,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:12:52,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:12:52,545 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 11:12:52,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:12:52,546 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905561266] [2025-04-29 11:12:52,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905561266] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:12:52,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:12:52,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:12:52,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103808525] [2025-04-29 11:12:52,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:12:52,546 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:12:52,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:12:52,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:12:52,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:12:52,564 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 89 [2025-04-29 11:12:52,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 143 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 11:12:52,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:12:52,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 89 [2025-04-29 11:12:52,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:12:52,581 INFO L116 PetriNetUnfolderBase]: 1/65 cut-off events. [2025-04-29 11:12:52,582 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-29 11:12:52,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 65 events. 1/65 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 44. Up to 7 conditions per place. [2025-04-29 11:12:52,582 INFO L140 encePairwiseOnDemand]: 87/89 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2025-04-29 11:12:52,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 65 transitions, 155 flow [2025-04-29 11:12:52,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:12:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:12:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2025-04-29 11:12:52,583 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8951310861423221 [2025-04-29 11:12:52,583 INFO L175 Difference]: Start difference. First operand has 73 places, 66 transitions, 143 flow. Second operand 3 states and 239 transitions. [2025-04-29 11:12:52,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 65 transitions, 155 flow [2025-04-29 11:12:52,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 65 transitions, 150 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-29 11:12:52,584 INFO L231 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2025-04-29 11:12:52,584 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2025-04-29 11:12:52,585 INFO L279 CegarLoopForPetriNet]: 76 programPoint places, -5 predicate places. [2025-04-29 11:12:52,585 INFO L485 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2025-04-29 11:12:52,585 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 11:12:52,588 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2025-04-29 11:12:52,588 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2025-04-29 11:12:52,588 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2025-04-29 11:12:52,588 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2025-04-29 11:12:52,588 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2025-04-29 11:12:52,588 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2025-04-29 11:12:52,589 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2025-04-29 11:12:52,589 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2025-04-29 11:12:52,589 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2025-04-29 11:12:52,589 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2025-04-29 11:12:52,589 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:12:52,589 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-29 11:12:52,595 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:12:52,595 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:12:52,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:12:52 BasicIcfg [2025-04-29 11:12:52,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:12:52,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:12:52,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:12:52,600 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:12:52,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:12:51" (3/4) ... [2025-04-29 11:12:52,603 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:12:52,605 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-04-29 11:12:52,605 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-04-29 11:12:52,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-04-29 11:12:52,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:12:52,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-04-29 11:12:52,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-29 11:12:52,658 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:12:52,659 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:12:52,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:12:52,660 INFO L158 Benchmark]: Toolchain (without parser) took 1520.59ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 98.9MB in the end (delta: 31.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2025-04-29 11:12:52,660 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:12:52,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.46ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 116.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:52,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.05ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 114.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:52,662 INFO L158 Benchmark]: Boogie Preprocessor took 19.80ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 113.3MB in the end (delta: 905.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:12:52,663 INFO L158 Benchmark]: RCFGBuilder took 293.74ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 99.6MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:52,663 INFO L158 Benchmark]: TraceAbstraction took 923.70ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 104.2MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:12:52,663 INFO L158 Benchmark]: Witness Printer took 59.06ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 98.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:12:52,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.46ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 116.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.05ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 114.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.80ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 113.3MB in the end (delta: 905.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.74ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 99.6MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 923.70ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 104.2MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.06ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 98.9MB in the end (delta: 5.3MB). 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 129 edges, 10 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: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 17 mSDtfsCounter, 111 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=156occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:12:52,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE