./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i --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/goblint-regression/36-apron_16-traces-unprot2_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e368f9929dbba9f95a2cf9bb03ad888bdb9b2cf2face386050ade96538e7b31 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:33:53,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:33:53,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-13 12:33:53,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:33:53,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:33:53,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:33:53,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:33:53,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:33:53,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:33:53,691 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:33:53,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:33:53,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:33:53,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:33:53,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:33:53,693 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:33:53,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:33:53,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:33:53,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:33:53,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:33:53,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:33:53,695 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:33:53,696 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:33:53,696 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:33:53,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:33:53,697 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:33:53,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:33:53,697 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:33:53,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:33:53,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:33:53,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:33:53,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:33:53,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:33:53,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:33:53,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:33:53,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:33:53,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:33:53,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:33:53,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:33:53,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:33:53,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:33:53,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:33:53,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:33:53,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e368f9929dbba9f95a2cf9bb03ad888bdb9b2cf2face386050ade96538e7b31 [2024-10-13 12:33:53,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:33:53,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:33:54,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:33:54,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:33:54,004 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:33:54,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i [2024-10-13 12:33:55,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:33:55,742 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:33:55,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i [2024-10-13 12:33:55,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f7e8e11/f65997a32ff64f218ea8be0964c96832/FLAGfe8e02838 [2024-10-13 12:33:55,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f7e8e11/f65997a32ff64f218ea8be0964c96832 [2024-10-13 12:33:55,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:33:55,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:33:55,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:33:55,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:33:55,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:33:55,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:55" (1/1) ... [2024-10-13 12:33:55,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:55, skipping insertion in model container [2024-10-13 12:33:55,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:55" (1/1) ... [2024-10-13 12:33:55,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:33:56,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:33:56,198 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:33:56,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:33:56,274 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:33:56,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56 WrapperNode [2024-10-13 12:33:56,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:33:56,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:33:56,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:33:56,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:33:56,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,323 INFO L138 Inliner]: procedures = 161, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-10-13 12:33:56,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:33:56,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:33:56,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:33:56,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:33:56,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,362 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 12:33:56,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:33:56,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:33:56,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:33:56,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:33:56,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (1/1) ... [2024-10-13 12:33:56,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:33:56,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:33:56,416 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 12:33:56,419 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 12:33:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:33:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 12:33:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 12:33:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:33:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:33:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:33:56,468 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 12:33:56,587 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:33:56,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:33:56,712 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:33:56,713 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:33:56,827 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:33:56,827 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 12:33:56,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:56 BoogieIcfgContainer [2024-10-13 12:33:56,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:33:56,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:33:56,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:33:56,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:33:56,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:33:55" (1/3) ... [2024-10-13 12:33:56,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158d7114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:56, skipping insertion in model container [2024-10-13 12:33:56,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56" (2/3) ... [2024-10-13 12:33:56,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158d7114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:56, skipping insertion in model container [2024-10-13 12:33:56,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:56" (3/3) ... [2024-10-13 12:33:56,842 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_16-traces-unprot2_true.i [2024-10-13 12:33:56,859 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:33:56,859 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 12:33:56,860 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:33:56,890 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 12:33:56,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 17 places, 15 transitions, 34 flow [2024-10-13 12:33:56,936 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2024-10-13 12:33:56,936 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:33:56,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 14 events. 2/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2024-10-13 12:33:56,938 INFO L82 GeneralOperation]: Start removeDead. Operand has 17 places, 15 transitions, 34 flow [2024-10-13 12:33:56,941 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 15 places, 13 transitions, 29 flow [2024-10-13 12:33:56,956 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:33:56,965 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;@55aad004, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:33:56,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-13 12:33:56,972 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:33:56,973 INFO L124 PetriNetUnfolderBase]: 2/11 cut-off events. [2024-10-13 12:33:56,973 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:33:56,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:33:56,975 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 12:33:56,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-13 12:33:56,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:33:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 118382850, now seen corresponding path program 1 times [2024-10-13 12:33:56,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:33:56,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962637364] [2024-10-13 12:33:56,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:33:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:33:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:33:57,212 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 12:33:57,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:33:57,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962637364] [2024-10-13 12:33:57,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962637364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:33:57,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:33:57,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 12:33:57,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959077720] [2024-10-13 12:33:57,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:33:57,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:33:57,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:33:57,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:33:57,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:33:57,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 15 [2024-10-13 12:33:57,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 13 transitions, 29 flow. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:33:57,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:33:57,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 15 [2024-10-13 12:33:57,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:33:57,292 INFO L124 PetriNetUnfolderBase]: 3/17 cut-off events. [2024-10-13 12:33:57,295 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:33:57,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 17 events. 3/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 3 based on Foata normal form. 6/22 useless extension candidates. Maximal degree in co-relation 25. Up to 12 conditions per place. [2024-10-13 12:33:57,296 INFO L140 encePairwiseOnDemand]: 11/15 looper letters, 4 selfloop transitions, 1 changer transitions 2/9 dead transitions. [2024-10-13 12:33:57,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 9 transitions, 33 flow [2024-10-13 12:33:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:33:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 12:33:57,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2024-10-13 12:33:57,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2024-10-13 12:33:57,310 INFO L175 Difference]: Start difference. First operand has 15 places, 13 transitions, 29 flow. Second operand 3 states and 21 transitions. [2024-10-13 12:33:57,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 9 transitions, 33 flow [2024-10-13 12:33:57,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 9 transitions, 32 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 12:33:57,314 INFO L231 Difference]: Finished difference. Result has 14 places, 7 transitions, 18 flow [2024-10-13 12:33:57,315 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=20, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=18, PETRI_PLACES=14, PETRI_TRANSITIONS=7} [2024-10-13 12:33:57,318 INFO L277 CegarLoopForPetriNet]: 15 programPoint places, -1 predicate places. [2024-10-13 12:33:57,318 INFO L471 AbstractCegarLoop]: Abstraction has has 14 places, 7 transitions, 18 flow [2024-10-13 12:33:57,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:33:57,319 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:33:57,319 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 12:33:57,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:33:57,319 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-13 12:33:57,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:33:57,320 INFO L85 PathProgramCache]: Analyzing trace with hash 118383567, now seen corresponding path program 1 times [2024-10-13 12:33:57,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:33:57,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336919310] [2024-10-13 12:33:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:33:57,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:33:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:33:57,502 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 12:33:57,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:33:57,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336919310] [2024-10-13 12:33:57,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336919310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:33:57,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:33:57,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:33:57,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510117867] [2024-10-13 12:33:57,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:33:57,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:33:57,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:33:57,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:33:57,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:33:57,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 15 [2024-10-13 12:33:57,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 7 transitions, 18 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 12:33:57,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:33:57,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 15 [2024-10-13 12:33:57,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:33:57,531 INFO L124 PetriNetUnfolderBase]: 1/6 cut-off events. [2024-10-13 12:33:57,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:33:57,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 6 events. 1/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/8 useless extension candidates. Maximal degree in co-relation 12. Up to 4 conditions per place. [2024-10-13 12:33:57,532 INFO L140 encePairwiseOnDemand]: 13/15 looper letters, 0 selfloop transitions, 0 changer transitions 5/5 dead transitions. [2024-10-13 12:33:57,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 5 transitions, 24 flow [2024-10-13 12:33:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:33:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 12:33:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-10-13 12:33:57,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4 [2024-10-13 12:33:57,535 INFO L175 Difference]: Start difference. First operand has 14 places, 7 transitions, 18 flow. Second operand 3 states and 18 transitions. [2024-10-13 12:33:57,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 5 transitions, 24 flow [2024-10-13 12:33:57,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 5 transitions, 23 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 12:33:57,535 INFO L231 Difference]: Finished difference. Result has 10 places, 0 transitions, 0 flow [2024-10-13 12:33:57,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=11, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=10, PETRI_TRANSITIONS=0} [2024-10-13 12:33:57,536 INFO L277 CegarLoopForPetriNet]: 15 programPoint places, -5 predicate places. [2024-10-13 12:33:57,537 INFO L471 AbstractCegarLoop]: Abstraction has has 10 places, 0 transitions, 0 flow [2024-10-13 12:33:57,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 12:33:57,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-10-13 12:33:57,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-10-13 12:33:57,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-13 12:33:57,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:33:57,542 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 12:33:57,546 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 12:33:57,548 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:33:57,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:33:57 BasicIcfg [2024-10-13 12:33:57,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:33:57,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:33:57,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:33:57,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:33:57,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:56" (3/4) ... [2024-10-13 12:33:57,558 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:33:57,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-13 12:33:57,566 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2024-10-13 12:33:57,566 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-13 12:33:57,567 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 12:33:57,567 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:33:57,668 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:33:57,669 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:33:57,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:33:57,670 INFO L158 Benchmark]: Toolchain (without parser) took 1885.97ms. Allocated memory was 182.5MB in the beginning and 260.0MB in the end (delta: 77.6MB). Free memory was 123.9MB in the beginning and 216.7MB in the end (delta: -92.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:33:57,672 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 182.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:33:57,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.84ms. Allocated memory is still 182.5MB. Free memory was 123.5MB in the beginning and 103.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 12:33:57,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.48ms. Allocated memory is still 182.5MB. Free memory was 103.2MB in the beginning and 101.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:33:57,673 INFO L158 Benchmark]: Boogie Preprocessor took 52.13ms. Allocated memory is still 182.5MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:33:57,673 INFO L158 Benchmark]: RCFGBuilder took 449.31ms. Allocated memory is still 182.5MB. Free memory was 99.2MB in the beginning and 80.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 12:33:57,674 INFO L158 Benchmark]: TraceAbstraction took 721.11ms. Allocated memory was 182.5MB in the beginning and 260.0MB in the end (delta: 77.6MB). Free memory was 80.3MB in the beginning and 220.9MB in the end (delta: -140.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:33:57,674 INFO L158 Benchmark]: Witness Printer took 114.81ms. Allocated memory is still 260.0MB. Free memory was 220.9MB in the beginning and 216.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:33:57,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 182.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.84ms. Allocated memory is still 182.5MB. Free memory was 123.5MB in the beginning and 103.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.48ms. Allocated memory is still 182.5MB. Free memory was 103.2MB in the beginning and 101.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.13ms. Allocated memory is still 182.5MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.31ms. Allocated memory is still 182.5MB. Free memory was 99.2MB in the beginning and 80.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 721.11ms. Allocated memory was 182.5MB in the beginning and 260.0MB in the end (delta: 77.6MB). Free memory was 80.3MB in the beginning and 220.9MB in the end (delta: -140.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.81ms. Allocated memory is still 260.0MB. Free memory was 220.9MB in the beginning and 216.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 17 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 12:33:57,711 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