./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a046e57d 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/weaver/test-easy6.wvr.c -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 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:47:44,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:47:44,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-13 12:47:44,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:47:44,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:47:44,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:47:44,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:47:44,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:47:44,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:47:44,240 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:47:44,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:47:44,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:47:44,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:47:44,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:47:44,243 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:47:44,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:47:44,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:47:44,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:47:44,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:47:44,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:47:44,247 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:47:44,248 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:47:44,248 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:47:44,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:47:44,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:47:44,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:47:44,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:47:44,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:47:44,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:47:44,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:47:44,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:47:44,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:47:44,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:47:44,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:47:44,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:47:44,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:47:44,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:47:44,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:47:44,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:47:44,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:47:44,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:47:44,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:47:44,259 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2024-10-13 12:47:44,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:47:44,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:47:44,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:47:44,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:47:44,567 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:47:44,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c [2024-10-13 12:47:46,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:47:46,237 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:47:46,237 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c [2024-10-13 12:47:46,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e004fd67/92df3f0ad2454641829b0081924b7629/FLAG42480ad11 [2024-10-13 12:47:46,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e004fd67/92df3f0ad2454641829b0081924b7629 [2024-10-13 12:47:46,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:47:46,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:47:46,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:47:46,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:47:46,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:47:46,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:46,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3560e7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46, skipping insertion in model container [2024-10-13 12:47:46,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:46,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:47:46,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:47:46,897 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:47:46,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:47:46,981 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:47:46,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46 WrapperNode [2024-10-13 12:47:46,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:47:46,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:47:46,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:47:46,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:47:46,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,041 INFO L138 Inliner]: procedures = 20, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-13 12:47:47,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:47:47,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:47:47,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:47:47,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:47:47,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,065 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]. [2024-10-13 12:47:47,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:47:47,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:47:47,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:47:47,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:47:47,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (1/1) ... [2024-10-13 12:47:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:47:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:47:47,113 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) [2024-10-13 12:47:47,119 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 [2024-10-13 12:47:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:47:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 12:47:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 12:47:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 12:47:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 12:47:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:47:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 12:47:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 12:47:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:47:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:47:47,163 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 12:47:47,242 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:47:47,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:47:47,416 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:47:47,416 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:47:47,533 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:47:47,533 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 12:47:47,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:47 BoogieIcfgContainer [2024-10-13 12:47:47,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:47:47,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:47:47,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:47:47,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:47:47,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:47:46" (1/3) ... [2024-10-13 12:47:47,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134ead7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:47:47, skipping insertion in model container [2024-10-13 12:47:47,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:46" (2/3) ... [2024-10-13 12:47:47,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134ead7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:47:47, skipping insertion in model container [2024-10-13 12:47:47,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:47" (3/3) ... [2024-10-13 12:47:47,546 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2024-10-13 12:47:47,566 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:47:47,566 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 12:47:47,566 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:47:47,619 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 12:47:47,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 86 flow [2024-10-13 12:47:47,688 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-10-13 12:47:47,688 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 12:47:47,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 34 events. 0/34 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-13 12:47:47,690 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 36 transitions, 86 flow [2024-10-13 12:47:47,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 33 transitions, 78 flow [2024-10-13 12:47:47,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:47:47,714 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;@5cb9b6aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:47:47,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 12:47:47,732 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:47:47,732 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-10-13 12:47:47,732 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 12:47:47,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:47,733 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:47,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:47,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:47,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1088388566, now seen corresponding path program 1 times [2024-10-13 12:47:47,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:47,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786257384] [2024-10-13 12:47:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:48,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:48,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786257384] [2024-10-13 12:47:48,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786257384] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:48,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:48,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:47:48,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533988174] [2024-10-13 12:47:48,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:48,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:47:48,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:48,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:47:48,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:47:48,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 36 [2024-10-13 12:47:48,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 78 flow. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 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) [2024-10-13 12:47:48,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:48,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 36 [2024-10-13 12:47:48,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:48,724 INFO L124 PetriNetUnfolderBase]: 124/315 cut-off events. [2024-10-13 12:47:48,725 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-13 12:47:48,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 315 events. 124/315 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1464 event pairs, 39 based on Foata normal form. 4/309 useless extension candidates. Maximal degree in co-relation 521. Up to 80 conditions per place. [2024-10-13 12:47:48,731 INFO L140 encePairwiseOnDemand]: 29/36 looper letters, 31 selfloop transitions, 6 changer transitions 14/64 dead transitions. [2024-10-13 12:47:48,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 64 transitions, 266 flow [2024-10-13 12:47:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:47:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-13 12:47:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 167 transitions. [2024-10-13 12:47:48,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6626984126984127 [2024-10-13 12:47:48,746 INFO L175 Difference]: Start difference. First operand has 40 places, 33 transitions, 78 flow. Second operand 7 states and 167 transitions. [2024-10-13 12:47:48,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 64 transitions, 266 flow [2024-10-13 12:47:48,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 12:47:48,758 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 101 flow [2024-10-13 12:47:48,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=101, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2024-10-13 12:47:48,767 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places. [2024-10-13 12:47:48,767 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 101 flow [2024-10-13 12:47:48,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 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) [2024-10-13 12:47:48,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:48,768 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:48,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:47:48,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:48,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:48,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1860149302, now seen corresponding path program 2 times [2024-10-13 12:47:48,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:48,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668167179] [2024-10-13 12:47:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:48,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:48,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:48,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668167179] [2024-10-13 12:47:48,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668167179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:48,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:48,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:47:48,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969671289] [2024-10-13 12:47:48,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:48,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:47:48,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:48,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:47:48,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:47:48,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2024-10-13 12:47:48,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 101 flow. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:48,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:48,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2024-10-13 12:47:48,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:49,237 INFO L124 PetriNetUnfolderBase]: 307/733 cut-off events. [2024-10-13 12:47:49,240 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-10-13 12:47:49,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1454 conditions, 733 events. 307/733 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3997 event pairs, 51 based on Foata normal form. 6/728 useless extension candidates. Maximal degree in co-relation 1424. Up to 143 conditions per place. [2024-10-13 12:47:49,250 INFO L140 encePairwiseOnDemand]: 28/36 looper letters, 44 selfloop transitions, 11 changer transitions 13/83 dead transitions. [2024-10-13 12:47:49,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 83 transitions, 340 flow [2024-10-13 12:47:49,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 12:47:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-13 12:47:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 195 transitions. [2024-10-13 12:47:49,253 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6018518518518519 [2024-10-13 12:47:49,253 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 101 flow. Second operand 9 states and 195 transitions. [2024-10-13 12:47:49,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 83 transitions, 340 flow [2024-10-13 12:47:49,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 83 transitions, 336 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-13 12:47:49,257 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 173 flow [2024-10-13 12:47:49,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=173, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2024-10-13 12:47:49,259 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 14 predicate places. [2024-10-13 12:47:49,259 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 173 flow [2024-10-13 12:47:49,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:49,260 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:49,260 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:49,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:47:49,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:49,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:49,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2014650894, now seen corresponding path program 3 times [2024-10-13 12:47:49,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:49,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062975530] [2024-10-13 12:47:49,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:49,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:49,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062975530] [2024-10-13 12:47:49,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062975530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:49,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:49,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:47:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131278088] [2024-10-13 12:47:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:49,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:47:49,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:47:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:47:49,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 36 [2024-10-13 12:47:49,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-13 12:47:49,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:49,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 36 [2024-10-13 12:47:49,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:49,492 INFO L124 PetriNetUnfolderBase]: 164/532 cut-off events. [2024-10-13 12:47:49,493 INFO L125 PetriNetUnfolderBase]: For 221/225 co-relation queries the response was YES. [2024-10-13 12:47:49,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1218 conditions, 532 events. 164/532 cut-off events. For 221/225 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3094 event pairs, 133 based on Foata normal form. 9/518 useless extension candidates. Maximal degree in co-relation 1018. Up to 300 conditions per place. [2024-10-13 12:47:49,502 INFO L140 encePairwiseOnDemand]: 33/36 looper letters, 19 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2024-10-13 12:47:49,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 48 transitions, 228 flow [2024-10-13 12:47:49,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:47:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 12:47:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-10-13 12:47:49,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7037037037037037 [2024-10-13 12:47:49,508 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 173 flow. Second operand 3 states and 76 transitions. [2024-10-13 12:47:49,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 48 transitions, 228 flow [2024-10-13 12:47:49,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 226 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-10-13 12:47:49,514 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 179 flow [2024-10-13 12:47:49,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2024-10-13 12:47:49,518 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 14 predicate places. [2024-10-13 12:47:49,518 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 179 flow [2024-10-13 12:47:49,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-13 12:47:49,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:49,519 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:49,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:47:49,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:49,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:49,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1720452954, now seen corresponding path program 4 times [2024-10-13 12:47:49,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:49,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492749119] [2024-10-13 12:47:49,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492749119] [2024-10-13 12:47:49,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492749119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:49,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:49,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:47:49,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358047501] [2024-10-13 12:47:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:49,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:47:49,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:49,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:47:49,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:47:49,719 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 36 [2024-10-13 12:47:49,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 179 flow. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 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) [2024-10-13 12:47:49,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:49,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 36 [2024-10-13 12:47:49,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:49,909 INFO L124 PetriNetUnfolderBase]: 247/599 cut-off events. [2024-10-13 12:47:49,910 INFO L125 PetriNetUnfolderBase]: For 277/284 co-relation queries the response was YES. [2024-10-13 12:47:49,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 599 events. 247/599 cut-off events. For 277/284 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3214 event pairs, 90 based on Foata normal form. 8/586 useless extension candidates. Maximal degree in co-relation 701. Up to 159 conditions per place. [2024-10-13 12:47:49,913 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 22 selfloop transitions, 5 changer transitions 15/63 dead transitions. [2024-10-13 12:47:49,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 63 transitions, 312 flow [2024-10-13 12:47:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:47:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-13 12:47:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 155 transitions. [2024-10-13 12:47:49,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6150793650793651 [2024-10-13 12:47:49,916 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 179 flow. Second operand 7 states and 155 transitions. [2024-10-13 12:47:49,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 63 transitions, 312 flow [2024-10-13 12:47:49,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 63 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 12:47:49,923 INFO L231 Difference]: Finished difference. Result has 59 places, 41 transitions, 178 flow [2024-10-13 12:47:49,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=178, PETRI_PLACES=59, PETRI_TRANSITIONS=41} [2024-10-13 12:47:49,925 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 19 predicate places. [2024-10-13 12:47:49,925 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 41 transitions, 178 flow [2024-10-13 12:47:49,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 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) [2024-10-13 12:47:49,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:49,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:49,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 12:47:49,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:49,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:49,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1840203536, now seen corresponding path program 5 times [2024-10-13 12:47:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:49,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131686076] [2024-10-13 12:47:49,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:49,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:50,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:50,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131686076] [2024-10-13 12:47:50,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131686076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:50,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:50,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:47:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998975011] [2024-10-13 12:47:50,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:50,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:47:50,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:50,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:47:50,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:47:50,126 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2024-10-13 12:47:50,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 41 transitions, 178 flow. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:50,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:50,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2024-10-13 12:47:50,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:50,358 INFO L124 PetriNetUnfolderBase]: 264/658 cut-off events. [2024-10-13 12:47:50,358 INFO L125 PetriNetUnfolderBase]: For 526/547 co-relation queries the response was YES. [2024-10-13 12:47:50,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 658 events. 264/658 cut-off events. For 526/547 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3502 event pairs, 74 based on Foata normal form. 27/670 useless extension candidates. Maximal degree in co-relation 1665. Up to 196 conditions per place. [2024-10-13 12:47:50,364 INFO L140 encePairwiseOnDemand]: 29/36 looper letters, 42 selfloop transitions, 8 changer transitions 13/76 dead transitions. [2024-10-13 12:47:50,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 76 transitions, 404 flow [2024-10-13 12:47:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:47:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:47:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 176 transitions. [2024-10-13 12:47:50,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2024-10-13 12:47:50,366 INFO L175 Difference]: Start difference. First operand has 59 places, 41 transitions, 178 flow. Second operand 8 states and 176 transitions. [2024-10-13 12:47:50,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 76 transitions, 404 flow [2024-10-13 12:47:50,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 76 transitions, 387 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-10-13 12:47:50,371 INFO L231 Difference]: Finished difference. Result has 59 places, 39 transitions, 171 flow [2024-10-13 12:47:50,372 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=171, PETRI_PLACES=59, PETRI_TRANSITIONS=39} [2024-10-13 12:47:50,373 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 19 predicate places. [2024-10-13 12:47:50,374 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 171 flow [2024-10-13 12:47:50,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:50,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:50,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:50,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:47:50,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:50,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash -671397420, now seen corresponding path program 6 times [2024-10-13 12:47:50,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:50,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294444797] [2024-10-13 12:47:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:50,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:50,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294444797] [2024-10-13 12:47:50,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294444797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:50,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:50,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:47:50,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935704654] [2024-10-13 12:47:50,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:50,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:47:50,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:50,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:47:50,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:47:50,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2024-10-13 12:47:50,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 171 flow. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:50,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:50,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2024-10-13 12:47:50,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:50,702 INFO L124 PetriNetUnfolderBase]: 139/348 cut-off events. [2024-10-13 12:47:50,702 INFO L125 PetriNetUnfolderBase]: For 326/326 co-relation queries the response was YES. [2024-10-13 12:47:50,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 348 events. 139/348 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1528 event pairs, 55 based on Foata normal form. 6/343 useless extension candidates. Maximal degree in co-relation 484. Up to 196 conditions per place. [2024-10-13 12:47:50,704 INFO L140 encePairwiseOnDemand]: 29/36 looper letters, 21 selfloop transitions, 3 changer transitions 11/48 dead transitions. [2024-10-13 12:47:50,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 48 transitions, 256 flow [2024-10-13 12:47:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:47:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:47:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions. [2024-10-13 12:47:50,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5888888888888889 [2024-10-13 12:47:50,706 INFO L175 Difference]: Start difference. First operand has 59 places, 39 transitions, 171 flow. Second operand 5 states and 106 transitions. [2024-10-13 12:47:50,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 48 transitions, 256 flow [2024-10-13 12:47:50,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 234 flow, removed 4 selfloop flow, removed 7 redundant places. [2024-10-13 12:47:50,708 INFO L231 Difference]: Finished difference. Result has 54 places, 33 transitions, 121 flow [2024-10-13 12:47:50,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=121, PETRI_PLACES=54, PETRI_TRANSITIONS=33} [2024-10-13 12:47:50,712 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 14 predicate places. [2024-10-13 12:47:50,712 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 33 transitions, 121 flow [2024-10-13 12:47:50,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:50,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:47:50,712 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:47:50,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:47:50,713 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-13 12:47:50,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:47:50,714 INFO L85 PathProgramCache]: Analyzing trace with hash -729564402, now seen corresponding path program 7 times [2024-10-13 12:47:50,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:47:50,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133012928] [2024-10-13 12:47:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:47:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:47:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:47:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:47:50,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:47:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133012928] [2024-10-13 12:47:50,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133012928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:47:50,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:47:50,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:47:50,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218376398] [2024-10-13 12:47:50,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:47:50,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:47:50,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:47:50,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:47:50,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:47:50,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2024-10-13 12:47:50,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 33 transitions, 121 flow. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:50,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:47:50,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2024-10-13 12:47:50,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:47:50,910 INFO L124 PetriNetUnfolderBase]: 41/106 cut-off events. [2024-10-13 12:47:50,911 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-10-13 12:47:50,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 106 events. 41/106 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 293 event pairs, 5 based on Foata normal form. 6/109 useless extension candidates. Maximal degree in co-relation 280. Up to 28 conditions per place. [2024-10-13 12:47:50,912 INFO L140 encePairwiseOnDemand]: 30/36 looper letters, 0 selfloop transitions, 0 changer transitions 34/34 dead transitions. [2024-10-13 12:47:50,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 34 transitions, 172 flow [2024-10-13 12:47:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:47:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-13 12:47:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 125 transitions. [2024-10-13 12:47:50,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49603174603174605 [2024-10-13 12:47:50,913 INFO L175 Difference]: Start difference. First operand has 54 places, 33 transitions, 121 flow. Second operand 7 states and 125 transitions. [2024-10-13 12:47:50,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 34 transitions, 172 flow [2024-10-13 12:47:50,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 137 flow, removed 11 selfloop flow, removed 10 redundant places. [2024-10-13 12:47:50,915 INFO L231 Difference]: Finished difference. Result has 38 places, 0 transitions, 0 flow [2024-10-13 12:47:50,915 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=38, PETRI_TRANSITIONS=0} [2024-10-13 12:47:50,915 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2024-10-13 12:47:50,916 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 0 transitions, 0 flow [2024-10-13 12:47:50,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-10-13 12:47:50,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-10-13 12:47:50,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-10-13 12:47:50,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-13 12:47:50,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-13 12:47:50,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 12:47:50,920 INFO L407 BasicCegarLoop]: Path program histogram: [7] [2024-10-13 12:47:50,924 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 12:47:50,926 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:47:50,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:47:50 BasicIcfg [2024-10-13 12:47:50,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:47:50,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:47:50,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:47:50,932 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:47:50,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:47" (3/4) ... [2024-10-13 12:47:50,935 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:47:50,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 12:47:50,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 12:47:50,942 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-10-13 12:47:50,942 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-13 12:47:50,943 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 12:47:50,943 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:47:51,038 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:47:51,038 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:47:51,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:47:51,039 INFO L158 Benchmark]: Toolchain (without parser) took 4405.66ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 98.1MB in the beginning and 91.3MB in the end (delta: 6.8MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2024-10-13 12:47:51,040 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:47:51,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.69ms. Allocated memory is still 167.8MB. Free memory was 97.8MB in the beginning and 138.8MB in the end (delta: -41.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 12:47:51,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 167.8MB. Free memory was 138.8MB in the beginning and 137.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:47:51,040 INFO L158 Benchmark]: Boogie Preprocessor took 32.04ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:47:51,041 INFO L158 Benchmark]: RCFGBuilder took 458.78ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 112.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 12:47:51,041 INFO L158 Benchmark]: TraceAbstraction took 3394.50ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 112.0MB in the beginning and 95.5MB in the end (delta: 16.5MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2024-10-13 12:47:51,041 INFO L158 Benchmark]: Witness Printer took 106.51ms. Allocated memory is still 226.5MB. Free memory was 95.5MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:47:51,042 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 167.8MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.69ms. Allocated memory is still 167.8MB. Free memory was 97.8MB in the beginning and 138.8MB in the end (delta: -41.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 167.8MB. Free memory was 138.8MB in the beginning and 137.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.04ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.78ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 112.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3394.50ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 112.0MB in the beginning and 95.5MB in the end (delta: 16.5MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * Witness Printer took 106.51ms. Allocated memory is still 226.5MB. Free memory was 95.5MB in the beginning and 91.3MB 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: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 106]: 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, 63 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: 3.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 338 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 848 IncrementalHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 32 mSDtfsCounter, 848 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=3, InterpolantAutomatonStates: 46, 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, 1.2s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2024-10-13 12:47:51,072 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