./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe022_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe022_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:29:16,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:29:16,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-20 17:29:16,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:29:16,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:29:16,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:29:16,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:29:16,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:29:16,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:29:16,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:29:16,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:29:16,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:29:16,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:29:16,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:29:16,261 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:29:16,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:29:16,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:29:16,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:29:16,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:29:16,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:29:16,262 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 17:29:16,266 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 17:29:16,266 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 17:29:16,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:29:16,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 17:29:16,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:29:16,267 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:29:16,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:29:16,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:29:16,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:29:16,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:29:16,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:29:16,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:29:16,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:29:16,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:29:16,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:29:16,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:29:16,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:29:16,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:29:16,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:29:16,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:29:16,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:29:16,271 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 [2024-11-20 17:29:16,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:29:16,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:29:16,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:29:16,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:29:16,497 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:29:16,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe022_tso.i [2024-11-20 17:29:17,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:29:17,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:29:17,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe022_tso.i [2024-11-20 17:29:17,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed493213/e676b061654841a9b0eea39d177f2dd6/FLAG0322fce8b [2024-11-20 17:29:18,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed493213/e676b061654841a9b0eea39d177f2dd6 [2024-11-20 17:29:18,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:29:18,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:29:18,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:29:18,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:29:18,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:29:18,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f72aae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18, skipping insertion in model container [2024-11-20 17:29:18,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:29:18,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:29:18,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:29:18,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:29:18,658 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:29:18,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18 WrapperNode [2024-11-20 17:29:18,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:29:18,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:29:18,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:29:18,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:29:18,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,689 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-20 17:29:18,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:29:18,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:29:18,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:29:18,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:29:18,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,708 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 17:29:18,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:29:18,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:29:18,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:29:18,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:29:18,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (1/1) ... [2024-11-20 17:29:18,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:29:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:29:18,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:29:18,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:29:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 17:29:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:29:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 17:29:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 17:29:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 17:29:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 17:29:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:29:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 17:29:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:29:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:29:18,787 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 17:29:18,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:29:18,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:29:19,026 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 17:29:19,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:29:19,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:29:19,084 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 17:29:19,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:19 BoogieIcfgContainer [2024-11-20 17:29:19,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:29:19,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:29:19,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:29:19,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:29:19,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:29:18" (1/3) ... [2024-11-20 17:29:19,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e2475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:29:19, skipping insertion in model container [2024-11-20 17:29:19,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:18" (2/3) ... [2024-11-20 17:29:19,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e2475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:29:19, skipping insertion in model container [2024-11-20 17:29:19,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:19" (3/3) ... [2024-11-20 17:29:19,091 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2024-11-20 17:29:19,102 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:29:19,102 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 17:29:19,102 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 17:29:19,132 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 17:29:19,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 76 flow [2024-11-20 17:29:19,190 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-20 17:29:19,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:29:19,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 32 events. 2/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-11-20 17:29:19,193 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 34 transitions, 76 flow [2024-11-20 17:29:19,196 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 31 transitions, 68 flow [2024-11-20 17:29:19,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:29:19,209 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@668695b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:29:19,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-20 17:29:19,217 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 17:29:19,217 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2024-11-20 17:29:19,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:29:19,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:29:19,218 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:29:19,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:29:19,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:29:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash -540450055, now seen corresponding path program 1 times [2024-11-20 17:29:19,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:29:19,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178809238] [2024-11-20 17:29:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:29:19,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:29:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:29:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:29:19,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:29:19,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178809238] [2024-11-20 17:29:19,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178809238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:29:19,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:29:19,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:29:19,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623992427] [2024-11-20 17:29:19,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:29:19,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:29:19,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:29:19,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:29:19,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:29:19,497 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2024-11-20 17:29:19,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:19,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:29:19,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2024-11-20 17:29:19,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:29:19,547 INFO L124 PetriNetUnfolderBase]: 23/91 cut-off events. [2024-11-20 17:29:19,548 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:29:19,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 91 events. 23/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 363 event pairs, 23 based on Foata normal form. 12/96 useless extension candidates. Maximal degree in co-relation 143. Up to 52 conditions per place. [2024-11-20 17:29:19,550 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 9 selfloop transitions, 1 changer transitions 1/27 dead transitions. [2024-11-20 17:29:19,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 82 flow [2024-11-20 17:29:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:29:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:29:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-11-20 17:29:19,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-20 17:29:19,561 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 68 flow. Second operand 3 states and 68 transitions. [2024-11-20 17:29:19,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 82 flow [2024-11-20 17:29:19,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 17:29:19,566 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 58 flow [2024-11-20 17:29:19,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2024-11-20 17:29:19,572 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, -2 predicate places. [2024-11-20 17:29:19,572 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 58 flow [2024-11-20 17:29:19,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:19,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:29:19,573 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:29:19,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:29:19,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:29:19,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:29:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash -540448497, now seen corresponding path program 1 times [2024-11-20 17:29:19,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:29:19,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224628903] [2024-11-20 17:29:19,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:29:19,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:29:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:29:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:29:19,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:29:19,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224628903] [2024-11-20 17:29:19,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224628903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:29:19,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:29:19,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:29:19,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755610487] [2024-11-20 17:29:19,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:29:19,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:29:19,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:29:19,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:29:19,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:29:19,790 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 34 [2024-11-20 17:29:19,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:19,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:29:19,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 34 [2024-11-20 17:29:19,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:29:19,860 INFO L124 PetriNetUnfolderBase]: 64/178 cut-off events. [2024-11-20 17:29:19,862 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:29:19,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 178 events. 64/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 743 event pairs, 6 based on Foata normal form. 9/182 useless extension candidates. Maximal degree in co-relation 314. Up to 73 conditions per place. [2024-11-20 17:29:19,864 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 18 selfloop transitions, 4 changer transitions 1/36 dead transitions. [2024-11-20 17:29:19,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 36 transitions, 126 flow [2024-11-20 17:29:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:29:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:29:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2024-11-20 17:29:19,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6544117647058824 [2024-11-20 17:29:19,867 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 58 flow. Second operand 4 states and 89 transitions. [2024-11-20 17:29:19,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 36 transitions, 126 flow [2024-11-20 17:29:19,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 36 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 17:29:19,871 INFO L231 Difference]: Finished difference. Result has 37 places, 28 transitions, 83 flow [2024-11-20 17:29:19,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2024-11-20 17:29:19,872 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2024-11-20 17:29:19,872 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 83 flow [2024-11-20 17:29:19,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:19,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:29:19,872 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:29:19,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:29:19,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:29:19,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:29:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1318661671, now seen corresponding path program 1 times [2024-11-20 17:29:19,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:29:19,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845943778] [2024-11-20 17:29:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:29:19,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:29:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:29:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:29:19,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:29:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845943778] [2024-11-20 17:29:19,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845943778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:29:19,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:29:19,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:29:19,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718888594] [2024-11-20 17:29:19,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:29:19,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:29:19,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:29:19,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:29:19,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:29:19,999 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 34 [2024-11-20 17:29:19,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:20,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:29:20,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 34 [2024-11-20 17:29:20,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:29:20,076 INFO L124 PetriNetUnfolderBase]: 42/119 cut-off events. [2024-11-20 17:29:20,076 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-20 17:29:20,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 119 events. 42/119 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 327 event pairs, 2 based on Foata normal form. 8/123 useless extension candidates. Maximal degree in co-relation 264. Up to 33 conditions per place. [2024-11-20 17:29:20,077 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 17 selfloop transitions, 6 changer transitions 1/37 dead transitions. [2024-11-20 17:29:20,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 154 flow [2024-11-20 17:29:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:29:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:29:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions. [2024-11-20 17:29:20,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6235294117647059 [2024-11-20 17:29:20,080 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 83 flow. Second operand 5 states and 106 transitions. [2024-11-20 17:29:20,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 154 flow [2024-11-20 17:29:20,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 145 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-20 17:29:20,081 INFO L231 Difference]: Finished difference. Result has 41 places, 28 transitions, 99 flow [2024-11-20 17:29:20,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=99, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2024-11-20 17:29:20,082 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2024-11-20 17:29:20,082 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 99 flow [2024-11-20 17:29:20,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:20,084 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:29:20,084 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:29:20,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:29:20,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:29:20,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:29:20,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1833152363, now seen corresponding path program 1 times [2024-11-20 17:29:20,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:29:20,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751105729] [2024-11-20 17:29:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:29:20,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:29:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:29:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:29:20,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:29:20,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751105729] [2024-11-20 17:29:20,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751105729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:29:20,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:29:20,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:29:20,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869496879] [2024-11-20 17:29:20,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:29:20,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:29:20,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:29:20,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:29:20,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:29:20,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 34 [2024-11-20 17:29:20,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 99 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:20,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:29:20,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 34 [2024-11-20 17:29:20,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:29:20,336 INFO L124 PetriNetUnfolderBase]: 65/194 cut-off events. [2024-11-20 17:29:20,338 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-11-20 17:29:20,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 194 events. 65/194 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 730 event pairs, 26 based on Foata normal form. 4/188 useless extension candidates. Maximal degree in co-relation 422. Up to 61 conditions per place. [2024-11-20 17:29:20,341 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 14 selfloop transitions, 3 changer transitions 15/46 dead transitions. [2024-11-20 17:29:20,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 46 transitions, 207 flow [2024-11-20 17:29:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:29:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 17:29:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2024-11-20 17:29:20,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5798319327731093 [2024-11-20 17:29:20,343 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 99 flow. Second operand 7 states and 138 transitions. [2024-11-20 17:29:20,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 46 transitions, 207 flow [2024-11-20 17:29:20,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 46 transitions, 173 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-20 17:29:20,347 INFO L231 Difference]: Finished difference. Result has 45 places, 28 transitions, 86 flow [2024-11-20 17:29:20,347 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=86, PETRI_PLACES=45, PETRI_TRANSITIONS=28} [2024-11-20 17:29:20,348 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2024-11-20 17:29:20,349 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 28 transitions, 86 flow [2024-11-20 17:29:20,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:20,349 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:29:20,349 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:29:20,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 17:29:20,350 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:29:20,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:29:20,350 INFO L85 PathProgramCache]: Analyzing trace with hash 2080173675, now seen corresponding path program 2 times [2024-11-20 17:29:20,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:29:20,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769862693] [2024-11-20 17:29:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:29:20,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:29:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:29:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:29:20,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:29:20,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769862693] [2024-11-20 17:29:20,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769862693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:29:20,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:29:20,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:29:20,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655758417] [2024-11-20 17:29:20,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:29:20,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:29:20,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:29:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:29:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:29:20,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 34 [2024-11-20 17:29:20,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 28 transitions, 86 flow. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:20,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:29:20,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 34 [2024-11-20 17:29:20,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:29:20,622 INFO L124 PetriNetUnfolderBase]: 28/96 cut-off events. [2024-11-20 17:29:20,622 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-20 17:29:20,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 96 events. 28/96 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 258 event pairs, 5 based on Foata normal form. 4/95 useless extension candidates. Maximal degree in co-relation 193. Up to 33 conditions per place. [2024-11-20 17:29:20,623 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2024-11-20 17:29:20,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 31 transitions, 128 flow [2024-11-20 17:29:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:29:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:29:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 110 transitions. [2024-11-20 17:29:20,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5392156862745098 [2024-11-20 17:29:20,624 INFO L175 Difference]: Start difference. First operand has 45 places, 28 transitions, 86 flow. Second operand 6 states and 110 transitions. [2024-11-20 17:29:20,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 31 transitions, 128 flow [2024-11-20 17:29:20,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 31 transitions, 122 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-20 17:29:20,625 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2024-11-20 17:29:20,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2024-11-20 17:29:20,625 INFO L277 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2024-11-20 17:29:20,626 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2024-11-20 17:29:20,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:29:20,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-20 17:29:20,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-20 17:29:20,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-20 17:29:20,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-20 17:29:20,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:29:20,631 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-20 17:29:20,636 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 17:29:20,636 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:29:20,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:29:20 BasicIcfg [2024-11-20 17:29:20,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:29:20,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:29:20,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:29:20,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:29:20,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:19" (3/4) ... [2024-11-20 17:29:20,648 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:29:20,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 17:29:20,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 17:29:20,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-20 17:29:20,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-20 17:29:20,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:29:20,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 17:29:20,718 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:29:20,720 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:29:20,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:29:20,720 INFO L158 Benchmark]: Toolchain (without parser) took 2454.75ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 102.0MB in the beginning and 186.7MB in the end (delta: -84.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:29:20,720 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 128.4MB in the beginning and 128.2MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:29:20,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.81ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 101.7MB in the beginning and 204.2MB in the end (delta: -102.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-20 17:29:20,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.44ms. Allocated memory is still 245.4MB. Free memory was 204.2MB in the beginning and 202.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:29:20,721 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 245.4MB. Free memory was 202.1MB in the beginning and 200.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:29:20,721 INFO L158 Benchmark]: RCFGBuilder took 367.46ms. Allocated memory is still 245.4MB. Free memory was 200.0MB in the beginning and 181.1MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 17:29:20,721 INFO L158 Benchmark]: TraceAbstraction took 1558.47ms. Allocated memory is still 245.4MB. Free memory was 180.0MB in the beginning and 190.9MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:29:20,721 INFO L158 Benchmark]: Witness Printer took 75.19ms. Allocated memory is still 245.4MB. Free memory was 190.9MB in the beginning and 186.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:29:20,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 128.4MB in the beginning and 128.2MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.81ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 101.7MB in the beginning and 204.2MB in the end (delta: -102.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.44ms. Allocated memory is still 245.4MB. Free memory was 204.2MB in the beginning and 202.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 245.4MB. Free memory was 202.1MB in the beginning and 200.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.46ms. Allocated memory is still 245.4MB. Free memory was 200.0MB in the beginning and 181.1MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1558.47ms. Allocated memory is still 245.4MB. Free memory was 180.0MB in the beginning and 190.9MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.19ms. Allocated memory is still 245.4MB. Free memory was 190.9MB in the beginning and 186.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 49 locations, 4 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=3, InterpolantAutomatonStates: 25, 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, 0.7s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 17:29:20,735 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