./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f 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/weaver/parallel-bluetooth.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 cad856450cf6e95f9e7427e37ad4e3c8d32c703bbc90760a7f99cf9b3d00a8f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:15:19,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:15:19,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:15:19,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:15:19,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:15:19,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:15:19,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:15:19,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:15:19,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:15:19,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:15:19,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:15:19,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:15:19,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:15:19,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:15:19,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:15:19,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:15:19,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:15:19,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:15:19,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:15:19,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:15:19,392 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:15:19,393 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:15:19,393 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:15:19,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:15:19,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:15:19,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:15:19,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:15:19,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:15:19,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:15:19,397 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:15:19,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:15:19,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:15:19,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:15:19,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:15:19,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:15:19,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:15:19,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad856450cf6e95f9e7427e37ad4e3c8d32c703bbc90760a7f99cf9b3d00a8f5 [2024-11-10 18:15:19,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:15:19,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:15:19,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:15:19,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:15:19,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:15:19,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2024-11-10 18:15:20,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:15:21,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:15:21,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2024-11-10 18:15:21,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40ff024b/63d7c57817774c0681e0160e31706a43/FLAGb98674cfa [2024-11-10 18:15:21,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40ff024b/63d7c57817774c0681e0160e31706a43 [2024-11-10 18:15:21,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:15:21,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:15:21,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:15:21,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:15:21,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:15:21,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530315cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21, skipping insertion in model container [2024-11-10 18:15:21,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:15:21,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:15:21,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:15:21,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:15:21,378 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:15:21,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21 WrapperNode [2024-11-10 18:15:21,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:15:21,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:15:21,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:15:21,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:15:21,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,420 INFO L138 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 115 [2024-11-10 18:15:21,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:15:21,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:15:21,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:15:21,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:15:21,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,448 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]. [2024-11-10 18:15:21,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:15:21,456 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:15:21,456 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:15:21,456 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:15:21,457 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (1/1) ... [2024-11-10 18:15:21,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:15:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:15:21,493 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) [2024-11-10 18:15:21,495 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 [2024-11-10 18:15:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:15:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 18:15:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 18:15:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 18:15:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 18:15:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:15:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:15:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:15:21,533 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:15:21,608 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:15:21,610 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:15:21,794 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:15:21,795 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:15:21,941 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:15:21,941 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:15:21,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:15:21 BoogieIcfgContainer [2024-11-10 18:15:21,942 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:15:21,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:15:21,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:15:21,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:15:21,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:15:21" (1/3) ... [2024-11-10 18:15:21,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649421b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:15:21, skipping insertion in model container [2024-11-10 18:15:21,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:21" (2/3) ... [2024-11-10 18:15:21,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649421b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:15:21, skipping insertion in model container [2024-11-10 18:15:21,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:15:21" (3/3) ... [2024-11-10 18:15:21,952 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-11-10 18:15:21,965 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:15:21,966 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:15:21,966 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:15:22,004 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 18:15:22,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 49 transitions, 112 flow [2024-11-10 18:15:22,064 INFO L124 PetriNetUnfolderBase]: 3/47 cut-off events. [2024-11-10 18:15:22,064 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 18:15:22,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 3/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2024-11-10 18:15:22,070 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 49 transitions, 112 flow [2024-11-10 18:15:22,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 46 transitions, 104 flow [2024-11-10 18:15:22,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:15:22,095 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;@4fd0c555, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:15:22,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 18:15:22,111 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:15:22,112 INFO L124 PetriNetUnfolderBase]: 3/43 cut-off events. [2024-11-10 18:15:22,112 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 18:15:22,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:15:22,113 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:15:22,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 18:15:22,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:15:22,120 INFO L85 PathProgramCache]: Analyzing trace with hash -254645367, now seen corresponding path program 1 times [2024-11-10 18:15:22,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:15:22,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159447071] [2024-11-10 18:15:22,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:15:22,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:15:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:15:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:15:22,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:15:22,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159447071] [2024-11-10 18:15:22,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159447071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:15:22,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:15:22,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:15:22,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600460505] [2024-11-10 18:15:22,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:15:22,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:15:22,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:15:22,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:15:22,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:15:22,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-11-10 18:15:22,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-10 18:15:22,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:15:22,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-11-10 18:15:22,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:15:22,654 INFO L124 PetriNetUnfolderBase]: 205/440 cut-off events. [2024-11-10 18:15:22,654 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-10 18:15:22,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 440 events. 205/440 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1922 event pairs, 73 based on Foata normal form. 13/423 useless extension candidates. Maximal degree in co-relation 739. Up to 223 conditions per place. [2024-11-10 18:15:22,660 INFO L140 encePairwiseOnDemand]: 42/49 looper letters, 42 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2024-11-10 18:15:22,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 58 transitions, 228 flow [2024-11-10 18:15:22,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:15:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:15:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-10 18:15:22,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2024-11-10 18:15:22,696 INFO L175 Difference]: Start difference. First operand has 50 places, 46 transitions, 104 flow. Second operand 3 states and 91 transitions. [2024-11-10 18:15:22,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 58 transitions, 228 flow [2024-11-10 18:15:22,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 58 transitions, 216 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:15:22,707 INFO L231 Difference]: Finished difference. Result has 47 places, 46 transitions, 117 flow [2024-11-10 18:15:22,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=47, PETRI_TRANSITIONS=46} [2024-11-10 18:15:22,713 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-10 18:15:22,715 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 117 flow [2024-11-10 18:15:22,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-10 18:15:22,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:15:22,716 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:15:22,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:15:22,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 18:15:22,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:15:22,717 INFO L85 PathProgramCache]: Analyzing trace with hash -792439980, now seen corresponding path program 1 times [2024-11-10 18:15:22,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:15:22,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208514122] [2024-11-10 18:15:22,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:15:22,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:15:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:15:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:15:23,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:15:23,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208514122] [2024-11-10 18:15:23,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208514122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:15:23,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:15:23,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:15:23,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892316439] [2024-11-10 18:15:23,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:15:23,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:15:23,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:15:23,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:15:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:15:23,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2024-11-10 18:15:23,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-11-10 18:15:23,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:15:23,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2024-11-10 18:15:23,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:15:23,242 INFO L124 PetriNetUnfolderBase]: 341/735 cut-off events. [2024-11-10 18:15:23,242 INFO L125 PetriNetUnfolderBase]: For 91/95 co-relation queries the response was YES. [2024-11-10 18:15:23,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1507 conditions, 735 events. 341/735 cut-off events. For 91/95 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3869 event pairs, 173 based on Foata normal form. 1/686 useless extension candidates. Maximal degree in co-relation 558. Up to 348 conditions per place. [2024-11-10 18:15:23,247 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 35 selfloop transitions, 0 changer transitions 29/74 dead transitions. [2024-11-10 18:15:23,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 74 transitions, 322 flow [2024-11-10 18:15:23,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:15:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:15:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2024-11-10 18:15:23,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.576530612244898 [2024-11-10 18:15:23,249 INFO L175 Difference]: Start difference. First operand has 47 places, 46 transitions, 117 flow. Second operand 4 states and 113 transitions. [2024-11-10 18:15:23,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 74 transitions, 322 flow [2024-11-10 18:15:23,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 74 transitions, 314 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:15:23,251 INFO L231 Difference]: Finished difference. Result has 51 places, 45 transitions, 114 flow [2024-11-10 18:15:23,251 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2024-11-10 18:15:23,252 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-11-10 18:15:23,252 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 114 flow [2024-11-10 18:15:23,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-11-10 18:15:23,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:15:23,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:15:23,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:15:23,253 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 18:15:23,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:15:23,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1951741587, now seen corresponding path program 1 times [2024-11-10 18:15:23,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:15:23,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151131496] [2024-11-10 18:15:23,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:15:23,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:15:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:15:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:15:23,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:15:23,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151131496] [2024-11-10 18:15:23,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151131496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:15:23,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:15:23,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:15:23,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466035797] [2024-11-10 18:15:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:15:23,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:15:23,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:15:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:15:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:15:23,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 49 [2024-11-10 18:15:23,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-10 18:15:23,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:15:23,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 49 [2024-11-10 18:15:23,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:15:23,409 INFO L124 PetriNetUnfolderBase]: 358/714 cut-off events. [2024-11-10 18:15:23,409 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-10 18:15:23,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 714 events. 358/714 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3255 event pairs, 156 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 1512. Up to 383 conditions per place. [2024-11-10 18:15:23,413 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 52 selfloop transitions, 8 changer transitions 0/66 dead transitions. [2024-11-10 18:15:23,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 66 transitions, 289 flow [2024-11-10 18:15:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:15:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:15:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2024-11-10 18:15:23,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6122448979591837 [2024-11-10 18:15:23,415 INFO L175 Difference]: Start difference. First operand has 51 places, 45 transitions, 114 flow. Second operand 3 states and 90 transitions. [2024-11-10 18:15:23,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 66 transitions, 289 flow [2024-11-10 18:15:23,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 66 transitions, 281 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-10 18:15:23,417 INFO L231 Difference]: Finished difference. Result has 51 places, 51 transitions, 170 flow [2024-11-10 18:15:23,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=51, PETRI_TRANSITIONS=51} [2024-11-10 18:15:23,418 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-11-10 18:15:23,418 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 51 transitions, 170 flow [2024-11-10 18:15:23,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-10 18:15:23,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:15:23,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:15:23,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:15:23,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 18:15:23,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:15:23,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1794200351, now seen corresponding path program 2 times [2024-11-10 18:15:23,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:15:23,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26042019] [2024-11-10 18:15:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:15:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:15:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:15:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:15:23,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:15:23,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26042019] [2024-11-10 18:15:23,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26042019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:15:23,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:15:23,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:15:23,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063629314] [2024-11-10 18:15:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:15:23,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:15:23,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:15:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:15:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:15:23,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 49 [2024-11-10 18:15:23,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 51 transitions, 170 flow. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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) [2024-11-10 18:15:23,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:15:23,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 49 [2024-11-10 18:15:23,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:15:23,691 INFO L124 PetriNetUnfolderBase]: 221/495 cut-off events. [2024-11-10 18:15:23,692 INFO L125 PetriNetUnfolderBase]: For 276/276 co-relation queries the response was YES. [2024-11-10 18:15:23,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 495 events. 221/495 cut-off events. For 276/276 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2206 event pairs, 28 based on Foata normal form. 32/520 useless extension candidates. Maximal degree in co-relation 1165. Up to 199 conditions per place. [2024-11-10 18:15:23,695 INFO L140 encePairwiseOnDemand]: 38/49 looper letters, 51 selfloop transitions, 16 changer transitions 8/81 dead transitions. [2024-11-10 18:15:23,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 81 transitions, 404 flow [2024-11-10 18:15:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:15:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:15:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 135 transitions. [2024-11-10 18:15:23,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45918367346938777 [2024-11-10 18:15:23,697 INFO L175 Difference]: Start difference. First operand has 51 places, 51 transitions, 170 flow. Second operand 6 states and 135 transitions. [2024-11-10 18:15:23,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 81 transitions, 404 flow [2024-11-10 18:15:23,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 81 transitions, 381 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:15:23,700 INFO L231 Difference]: Finished difference. Result has 56 places, 53 transitions, 227 flow [2024-11-10 18:15:23,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=227, PETRI_PLACES=56, PETRI_TRANSITIONS=53} [2024-11-10 18:15:23,701 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-11-10 18:15:23,701 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 53 transitions, 227 flow [2024-11-10 18:15:23,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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) [2024-11-10 18:15:23,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:15:23,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:15:23,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:15:23,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 18:15:23,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:15:23,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1027568689, now seen corresponding path program 3 times [2024-11-10 18:15:23,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:15:23,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301646162] [2024-11-10 18:15:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:15:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:15:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:15:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:15:23,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:15:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301646162] [2024-11-10 18:15:23,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301646162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:15:23,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:15:23,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:15:23,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649199299] [2024-11-10 18:15:23,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:15:23,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:15:23,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:15:23,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:15:23,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:15:23,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2024-11-10 18:15:23,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 53 transitions, 227 flow. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-10 18:15:23,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:15:23,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2024-11-10 18:15:23,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:15:24,135 INFO L124 PetriNetUnfolderBase]: 166/419 cut-off events. [2024-11-10 18:15:24,136 INFO L125 PetriNetUnfolderBase]: For 432/434 co-relation queries the response was YES. [2024-11-10 18:15:24,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 419 events. 166/419 cut-off events. For 432/434 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1937 event pairs, 30 based on Foata normal form. 3/419 useless extension candidates. Maximal degree in co-relation 1104. Up to 195 conditions per place. [2024-11-10 18:15:24,138 INFO L140 encePairwiseOnDemand]: 42/49 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2024-11-10 18:15:24,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 75 transitions, 448 flow [2024-11-10 18:15:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:15:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:15:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2024-11-10 18:15:24,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42565597667638483 [2024-11-10 18:15:24,141 INFO L175 Difference]: Start difference. First operand has 56 places, 53 transitions, 227 flow. Second operand 7 states and 146 transitions. [2024-11-10 18:15:24,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 75 transitions, 448 flow [2024-11-10 18:15:24,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 75 transitions, 439 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-10 18:15:24,145 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2024-11-10 18:15:24,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2024-11-10 18:15:24,146 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places. [2024-11-10 18:15:24,146 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2024-11-10 18:15:24,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-10 18:15:24,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-10 18:15:24,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-10 18:15:24,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-10 18:15:24,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-10 18:15:24,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:15:24,156 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-11-10 18:15:24,163 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:15:24,163 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:15:24,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:15:24 BasicIcfg [2024-11-10 18:15:24,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:15:24,168 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:15:24,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:15:24,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:15:24,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:15:21" (3/4) ... [2024-11-10 18:15:24,175 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:15:24,182 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 18:15:24,182 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 18:15:24,188 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-10 18:15:24,188 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 18:15:24,188 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:15:24,188 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 18:15:24,189 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:15:24,250 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:15:24,251 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:15:24,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:15:24,252 INFO L158 Benchmark]: Toolchain (without parser) took 3156.27ms. Allocated memory was 134.2MB in the beginning and 218.1MB in the end (delta: 83.9MB). Free memory was 64.1MB in the beginning and 101.5MB in the end (delta: -37.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,252 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:15:24,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.19ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 63.8MB in the beginning and 150.9MB in the end (delta: -87.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.64ms. Allocated memory is still 180.4MB. Free memory was 150.9MB in the beginning and 150.8MB in the end (delta: 144.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,252 INFO L158 Benchmark]: Boogie Preprocessor took 34.04ms. Allocated memory is still 180.4MB. Free memory was 150.8MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,253 INFO L158 Benchmark]: IcfgBuilder took 485.84ms. Allocated memory is still 180.4MB. Free memory was 148.7MB in the beginning and 116.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,253 INFO L158 Benchmark]: TraceAbstraction took 2223.92ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 115.1MB in the beginning and 105.7MB in the end (delta: 9.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,253 INFO L158 Benchmark]: Witness Printer took 82.65ms. Allocated memory is still 218.1MB. Free memory was 105.7MB in the beginning and 101.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:15:24,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.19ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 63.8MB in the beginning and 150.9MB in the end (delta: -87.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.64ms. Allocated memory is still 180.4MB. Free memory was 150.9MB in the beginning and 150.8MB in the end (delta: 144.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.04ms. Allocated memory is still 180.4MB. Free memory was 150.8MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 485.84ms. Allocated memory is still 180.4MB. Free memory was 148.7MB in the beginning and 116.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2223.92ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 115.1MB in the beginning and 105.7MB in the end (delta: 9.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 82.65ms. Allocated memory is still 218.1MB. Free memory was 105.7MB in the beginning and 101.5MB 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: 66]: 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, 71 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: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 521 IncrementalHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 11 mSDtfsCounter, 521 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 18:15:24,282 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