./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/rfi002_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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 10:32:19,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:32:20,009 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:32:20,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:32:20,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:32:20,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:32:20,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:32:20,061 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:32:20,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:32:20,063 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:32:20,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:32:20,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:32:20,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:32:20,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:32:20,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:32:20,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:32:20,068 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:32:20,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:32:20,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:32:20,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:32:20,069 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:32:20,069 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:32:20,070 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:32:20,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:32:20,070 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:32:20,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:32:20,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:32:20,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:32:20,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:32:20,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:32:20,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:32:20,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:32:20,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:32:20,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:32:20,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:32:20,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:32:20,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:32:20,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:32:20,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:32:20,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:32:20,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:32:20,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:32:20,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2024-11-09 10:32:20,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:32:20,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:32:20,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:32:20,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:32:20,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:32:20,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-11-09 10:32:21,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:32:22,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:32:22,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-11-09 10:32:22,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128189af9/41f81cdd368c4d7098d95c71eb2825cd/FLAG9d583d438 [2024-11-09 10:32:22,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128189af9/41f81cdd368c4d7098d95c71eb2825cd [2024-11-09 10:32:22,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:32:22,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:32:22,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:32:22,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:32:22,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:32:22,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:22,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494b0c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22, skipping insertion in model container [2024-11-09 10:32:22,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:22,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:32:22,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:32:22,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:32:22,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:32:22,905 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:32:22,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22 WrapperNode [2024-11-09 10:32:22,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:32:22,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:32:22,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:32:22,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:32:22,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:22,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:22,978 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 212 [2024-11-09 10:32:22,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:32:22,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:32:22,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:32:22,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:32:22,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:22,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:22,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,044 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]. [2024-11-09 10:32:23,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:32:23,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:32:23,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:32:23,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:32:23,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (1/1) ... [2024-11-09 10:32:23,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:32:23,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:32:23,133 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) [2024-11-09 10:32:23,139 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 [2024-11-09 10:32:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 10:32:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:32:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 10:32:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 10:32:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 10:32:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 10:32:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:32:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 10:32:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:32:23,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:32:23,193 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:32:23,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:32:23,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:32:23,850 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:32:23,850 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:32:24,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:32:24,254 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:32:24,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:32:24 BoogieIcfgContainer [2024-11-09 10:32:24,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:32:24,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:32:24,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:32:24,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:32:24,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:32:22" (1/3) ... [2024-11-09 10:32:24,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2cb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:32:24, skipping insertion in model container [2024-11-09 10:32:24,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:32:22" (2/3) ... [2024-11-09 10:32:24,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2cb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:32:24, skipping insertion in model container [2024-11-09 10:32:24,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:32:24" (3/3) ... [2024-11-09 10:32:24,265 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-11-09 10:32:24,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:32:24,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 10:32:24,284 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:32:24,353 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 10:32:24,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 39 transitions, 86 flow [2024-11-09 10:32:24,425 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-09 10:32:24,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:32:24,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 37 events. 2/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2024-11-09 10:32:24,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 39 transitions, 86 flow [2024-11-09 10:32:24,435 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 37 transitions, 80 flow [2024-11-09 10:32:24,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:32:24,454 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;@4b8a4a45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:32:24,455 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 10:32:24,460 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:32:24,460 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-09 10:32:24,460 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:32:24,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:24,461 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 10:32:24,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:24,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:24,467 INFO L85 PathProgramCache]: Analyzing trace with hash -146241679, now seen corresponding path program 1 times [2024-11-09 10:32:24,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:24,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65770567] [2024-11-09 10:32:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:24,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65770567] [2024-11-09 10:32:24,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65770567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:24,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:24,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:32:24,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238573918] [2024-11-09 10:32:24,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:24,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:32:24,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:24,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:32:24,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:32:24,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 10:32:24,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-09 10:32:24,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:24,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 10:32:24,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:25,510 INFO L124 PetriNetUnfolderBase]: 572/1019 cut-off events. [2024-11-09 10:32:25,511 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 10:32:25,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1978 conditions, 1019 events. 572/1019 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5641 event pairs, 40 based on Foata normal form. 80/1051 useless extension candidates. Maximal degree in co-relation 1968. Up to 848 conditions per place. [2024-11-09 10:32:25,524 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 33 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2024-11-09 10:32:25,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 45 transitions, 166 flow [2024-11-09 10:32:25,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:32:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:32:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-11-09 10:32:25,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6495726495726496 [2024-11-09 10:32:25,539 INFO L175 Difference]: Start difference. First operand has 42 places, 37 transitions, 80 flow. Second operand 3 states and 76 transitions. [2024-11-09 10:32:25,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 45 transitions, 166 flow [2024-11-09 10:32:25,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 10:32:25,544 INFO L231 Difference]: Finished difference. Result has 40 places, 33 transitions, 74 flow [2024-11-09 10:32:25,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2024-11-09 10:32:25,550 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2024-11-09 10:32:25,550 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 74 flow [2024-11-09 10:32:25,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-09 10:32:25,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:25,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:25,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:32:25,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:25,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:25,552 INFO L85 PathProgramCache]: Analyzing trace with hash -238524162, now seen corresponding path program 1 times [2024-11-09 10:32:25,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:25,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048687194] [2024-11-09 10:32:25,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:25,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:25,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:25,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048687194] [2024-11-09 10:32:25,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048687194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:25,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:25,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:32:25,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690836725] [2024-11-09 10:32:25,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:25,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:32:25,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:25,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:32:25,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:32:25,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 10:32:25,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-09 10:32:25,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:25,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 10:32:25,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:26,022 INFO L124 PetriNetUnfolderBase]: 496/923 cut-off events. [2024-11-09 10:32:26,022 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-09 10:32:26,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 923 events. 496/923 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5174 event pairs, 116 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 1796. Up to 606 conditions per place. [2024-11-09 10:32:26,029 INFO L140 encePairwiseOnDemand]: 36/39 looper letters, 30 selfloop transitions, 2 changer transitions 2/44 dead transitions. [2024-11-09 10:32:26,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 164 flow [2024-11-09 10:32:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:32:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:32:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-09 10:32:26,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6068376068376068 [2024-11-09 10:32:26,031 INFO L175 Difference]: Start difference. First operand has 40 places, 33 transitions, 74 flow. Second operand 3 states and 71 transitions. [2024-11-09 10:32:26,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 164 flow [2024-11-09 10:32:26,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 10:32:26,033 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-11-09 10:32:26,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-11-09 10:32:26,035 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2024-11-09 10:32:26,035 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-11-09 10:32:26,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-09 10:32:26,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:26,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:26,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 10:32:26,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:26,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:26,038 INFO L85 PathProgramCache]: Analyzing trace with hash -24866101, now seen corresponding path program 1 times [2024-11-09 10:32:26,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:26,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720745952] [2024-11-09 10:32:26,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:26,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:26,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:26,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720745952] [2024-11-09 10:32:26,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720745952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:26,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:26,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:32:26,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242590616] [2024-11-09 10:32:26,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:26,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:32:26,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:26,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:32:26,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:32:26,124 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-11-09 10:32:26,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-09 10:32:26,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:26,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-11-09 10:32:26,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:26,338 INFO L124 PetriNetUnfolderBase]: 438/878 cut-off events. [2024-11-09 10:32:26,339 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-09 10:32:26,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 878 events. 438/878 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4923 event pairs, 438 based on Foata normal form. 35/900 useless extension candidates. Maximal degree in co-relation 1653. Up to 729 conditions per place. [2024-11-09 10:32:26,345 INFO L140 encePairwiseOnDemand]: 37/39 looper letters, 19 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-11-09 10:32:26,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 110 flow [2024-11-09 10:32:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:32:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:32:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2024-11-09 10:32:26,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4700854700854701 [2024-11-09 10:32:26,347 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 55 transitions. [2024-11-09 10:32:26,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 110 flow [2024-11-09 10:32:26,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 10:32:26,349 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-11-09 10:32:26,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-11-09 10:32:26,349 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2024-11-09 10:32:26,350 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-11-09 10:32:26,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-09 10:32:26,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:26,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:26,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 10:32:26,351 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:26,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash -24865926, now seen corresponding path program 1 times [2024-11-09 10:32:26,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:26,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264209941] [2024-11-09 10:32:26,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:26,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264209941] [2024-11-09 10:32:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264209941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:26,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:26,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 10:32:26,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363079585] [2024-11-09 10:32:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:26,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 10:32:26,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:26,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 10:32:26,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 10:32:26,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 39 [2024-11-09 10:32:26,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-09 10:32:26,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:26,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 39 [2024-11-09 10:32:26,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:26,951 INFO L124 PetriNetUnfolderBase]: 389/766 cut-off events. [2024-11-09 10:32:26,951 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:32:26,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1474 conditions, 766 events. 389/766 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3615 event pairs, 103 based on Foata normal form. 48/812 useless extension candidates. Maximal degree in co-relation 1468. Up to 349 conditions per place. [2024-11-09 10:32:26,958 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 44 selfloop transitions, 4 changer transitions 1/55 dead transitions. [2024-11-09 10:32:26,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 55 transitions, 216 flow [2024-11-09 10:32:26,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 10:32:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 10:32:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-11-09 10:32:26,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5576923076923077 [2024-11-09 10:32:26,960 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 4 states and 87 transitions. [2024-11-09 10:32:26,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 55 transitions, 216 flow [2024-11-09 10:32:26,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 55 transitions, 215 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 10:32:26,962 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 89 flow [2024-11-09 10:32:26,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=89, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2024-11-09 10:32:26,963 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2024-11-09 10:32:26,964 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 89 flow [2024-11-09 10:32:26,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-09 10:32:26,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:26,964 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:26,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 10:32:26,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:26,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:26,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1570345469, now seen corresponding path program 1 times [2024-11-09 10:32:26,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:26,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601895116] [2024-11-09 10:32:26,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:26,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:27,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:27,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601895116] [2024-11-09 10:32:27,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601895116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:27,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:27,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:32:27,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893338957] [2024-11-09 10:32:27,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:27,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:32:27,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:27,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:32:27,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:32:27,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 39 [2024-11-09 10:32:27,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-09 10:32:27,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:27,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 39 [2024-11-09 10:32:27,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:27,749 INFO L124 PetriNetUnfolderBase]: 181/354 cut-off events. [2024-11-09 10:32:27,750 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-09 10:32:27,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 354 events. 181/354 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1214 event pairs, 69 based on Foata normal form. 24/376 useless extension candidates. Maximal degree in co-relation 816. Up to 146 conditions per place. [2024-11-09 10:32:27,752 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 35 selfloop transitions, 6 changer transitions 1/48 dead transitions. [2024-11-09 10:32:27,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 212 flow [2024-11-09 10:32:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 10:32:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 10:32:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2024-11-09 10:32:27,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4564102564102564 [2024-11-09 10:32:27,755 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 89 flow. Second operand 5 states and 89 transitions. [2024-11-09 10:32:27,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 212 flow [2024-11-09 10:32:27,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 203 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-09 10:32:27,758 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 105 flow [2024-11-09 10:32:27,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=105, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2024-11-09 10:32:27,759 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places. [2024-11-09 10:32:27,760 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 105 flow [2024-11-09 10:32:27,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-09 10:32:27,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:27,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:27,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 10:32:27,761 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:27,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:27,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1411754912, now seen corresponding path program 1 times [2024-11-09 10:32:27,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:27,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148873222] [2024-11-09 10:32:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:27,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:32,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:32,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148873222] [2024-11-09 10:32:32,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148873222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:32,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:32,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 10:32:32,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967310667] [2024-11-09 10:32:32,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:32,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 10:32:32,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:32,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 10:32:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 10:32:32,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-11-09 10:32:32,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 105 flow. Second operand has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 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) [2024-11-09 10:32:32,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:32,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-11-09 10:32:32,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:33,972 INFO L124 PetriNetUnfolderBase]: 231/491 cut-off events. [2024-11-09 10:32:33,972 INFO L125 PetriNetUnfolderBase]: For 136/136 co-relation queries the response was YES. [2024-11-09 10:32:33,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 491 events. 231/491 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2062 event pairs, 30 based on Foata normal form. 4/488 useless extension candidates. Maximal degree in co-relation 1079. Up to 196 conditions per place. [2024-11-09 10:32:33,975 INFO L140 encePairwiseOnDemand]: 28/39 looper letters, 38 selfloop transitions, 13 changer transitions 15/76 dead transitions. [2024-11-09 10:32:33,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 76 transitions, 335 flow [2024-11-09 10:32:33,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 10:32:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 10:32:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2024-11-09 10:32:33,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45384615384615384 [2024-11-09 10:32:33,978 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 105 flow. Second operand 10 states and 177 transitions. [2024-11-09 10:32:33,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 76 transitions, 335 flow [2024-11-09 10:32:33,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 76 transitions, 301 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-09 10:32:33,982 INFO L231 Difference]: Finished difference. Result has 53 places, 42 transitions, 167 flow [2024-11-09 10:32:33,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=167, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2024-11-09 10:32:33,982 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 11 predicate places. [2024-11-09 10:32:33,983 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 167 flow [2024-11-09 10:32:33,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 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) [2024-11-09 10:32:33,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:33,983 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:33,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 10:32:33,984 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:33,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1634964464, now seen corresponding path program 2 times [2024-11-09 10:32:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:33,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189861610] [2024-11-09 10:32:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:33,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:34,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:34,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189861610] [2024-11-09 10:32:34,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189861610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:34,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:34,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 10:32:34,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19284464] [2024-11-09 10:32:34,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:34,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:32:34,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:34,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:32:34,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:32:34,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 10:32:34,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 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) [2024-11-09 10:32:34,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:34,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 10:32:34,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:35,250 INFO L124 PetriNetUnfolderBase]: 307/668 cut-off events. [2024-11-09 10:32:35,251 INFO L125 PetriNetUnfolderBase]: For 260/260 co-relation queries the response was YES. [2024-11-09 10:32:35,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1720 conditions, 668 events. 307/668 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3364 event pairs, 125 based on Foata normal form. 4/656 useless extension candidates. Maximal degree in co-relation 1706. Up to 323 conditions per place. [2024-11-09 10:32:35,255 INFO L140 encePairwiseOnDemand]: 31/39 looper letters, 27 selfloop transitions, 5 changer transitions 25/69 dead transitions. [2024-11-09 10:32:35,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 386 flow [2024-11-09 10:32:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 10:32:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 10:32:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions. [2024-11-09 10:32:35,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49572649572649574 [2024-11-09 10:32:35,257 INFO L175 Difference]: Start difference. First operand has 53 places, 42 transitions, 167 flow. Second operand 6 states and 116 transitions. [2024-11-09 10:32:35,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 386 flow [2024-11-09 10:32:35,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 69 transitions, 380 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-09 10:32:35,263 INFO L231 Difference]: Finished difference. Result has 58 places, 41 transitions, 190 flow [2024-11-09 10:32:35,264 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=190, PETRI_PLACES=58, PETRI_TRANSITIONS=41} [2024-11-09 10:32:35,264 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 16 predicate places. [2024-11-09 10:32:35,265 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 41 transitions, 190 flow [2024-11-09 10:32:35,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 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) [2024-11-09 10:32:35,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:35,265 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:35,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 10:32:35,266 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-09 10:32:35,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1495763700, now seen corresponding path program 3 times [2024-11-09 10:32:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:35,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82074338] [2024-11-09 10:32:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:35,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:37,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:37,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82074338] [2024-11-09 10:32:37,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82074338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:37,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:37,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 10:32:37,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694220613] [2024-11-09 10:32:37,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:37,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 10:32:37,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 10:32:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 10:32:37,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 10:32:37,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 41 transitions, 190 flow. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 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) [2024-11-09 10:32:37,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:37,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 10:32:37,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:37,367 INFO L124 PetriNetUnfolderBase]: 191/421 cut-off events. [2024-11-09 10:32:37,367 INFO L125 PetriNetUnfolderBase]: For 336/336 co-relation queries the response was YES. [2024-11-09 10:32:37,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 421 events. 191/421 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1842 event pairs, 62 based on Foata normal form. 4/411 useless extension candidates. Maximal degree in co-relation 1186. Up to 170 conditions per place. [2024-11-09 10:32:37,370 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2024-11-09 10:32:37,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 50 transitions, 310 flow [2024-11-09 10:32:37,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 10:32:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 10:32:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 117 transitions. [2024-11-09 10:32:37,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2024-11-09 10:32:37,372 INFO L175 Difference]: Start difference. First operand has 58 places, 41 transitions, 190 flow. Second operand 7 states and 117 transitions. [2024-11-09 10:32:37,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 50 transitions, 310 flow [2024-11-09 10:32:37,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 287 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-11-09 10:32:37,374 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2024-11-09 10:32:37,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2024-11-09 10:32:37,377 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 13 predicate places. [2024-11-09 10:32:37,378 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2024-11-09 10:32:37,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 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) [2024-11-09 10:32:37,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-09 10:32:37,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-09 10:32:37,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-09 10:32:37,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 8 remaining) [2024-11-09 10:32:37,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-09 10:32:37,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-09 10:32:37,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (1 of 8 remaining) [2024-11-09 10:32:37,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-09 10:32:37,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 10:32:37,388 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-09 10:32:37,397 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 10:32:37,398 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 10:32:37,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:32:37 BasicIcfg [2024-11-09 10:32:37,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 10:32:37,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 10:32:37,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 10:32:37,409 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 10:32:37,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:32:24" (3/4) ... [2024-11-09 10:32:37,411 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 10:32:37,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 10:32:37,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 10:32:37,422 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 97 nodes and edges [2024-11-09 10:32:37,423 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-09 10:32:37,424 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 10:32:37,424 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 10:32:37,528 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 10:32:37,528 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 10:32:37,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 10:32:37,529 INFO L158 Benchmark]: Toolchain (without parser) took 15334.25ms. Allocated memory was 142.6MB in the beginning and 608.2MB in the end (delta: 465.6MB). Free memory was 71.7MB in the beginning and 548.5MB in the end (delta: -476.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:32:37,529 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:32:37,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.13ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 71.7MB in the beginning and 153.5MB in the end (delta: -81.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-09 10:32:37,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.79ms. Allocated memory is still 192.9MB. Free memory was 153.5MB in the beginning and 150.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:32:37,530 INFO L158 Benchmark]: Boogie Preprocessor took 113.09ms. Allocated memory is still 192.9MB. Free memory was 150.4MB in the beginning and 144.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 10:32:37,530 INFO L158 Benchmark]: RCFGBuilder took 1160.86ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 122.7MB in the end (delta: 21.4MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-11-09 10:32:37,531 INFO L158 Benchmark]: TraceAbstraction took 13149.92ms. Allocated memory was 192.9MB in the beginning and 608.2MB in the end (delta: 415.2MB). Free memory was 122.7MB in the beginning and 553.8MB in the end (delta: -431.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:32:37,531 INFO L158 Benchmark]: Witness Printer took 119.92ms. Allocated memory is still 608.2MB. Free memory was 553.8MB in the beginning and 548.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 10:32:37,532 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 142.6MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.13ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 71.7MB in the beginning and 153.5MB in the end (delta: -81.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.79ms. Allocated memory is still 192.9MB. Free memory was 153.5MB in the beginning and 150.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.09ms. Allocated memory is still 192.9MB. Free memory was 150.4MB in the beginning and 144.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.86ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 122.7MB in the end (delta: 21.4MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13149.92ms. Allocated memory was 192.9MB in the beginning and 608.2MB in the end (delta: 415.2MB). Free memory was 122.7MB in the beginning and 553.8MB in the end (delta: -431.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.92ms. Allocated memory is still 608.2MB. Free memory was 553.8MB in the beginning and 548.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 874]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: 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, 59 locations, 8 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: 13.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 893 IncrementalHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 4 mSDtfsCounter, 893 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=7, InterpolantAutomatonStates: 41, 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, 1.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 10:32:37,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE