./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:41:19,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:41:19,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-20 17:41:19,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:41:19,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:41:19,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:41:19,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:41:19,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:41:19,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:41:19,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:41:19,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:41:19,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:41:19,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:41:19,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:41:19,388 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:41:19,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:41:19,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:41:19,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:41:19,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:41:19,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:41:19,390 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 17:41:19,394 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 17:41:19,394 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 17:41:19,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:41:19,395 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 17:41:19,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:41:19,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:41:19,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:41:19,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:41:19,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:41:19,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:41:19,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:41:19,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:41:19,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:41:19,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:41:19,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:41:19,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:41:19,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:41:19,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:41:19,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:41:19,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:41:19,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:41:19,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2024-11-20 17:41:19,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:41:19,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:41:19,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:41:19,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:41:19,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:41:19,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2024-11-20 17:41:21,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:41:21,374 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:41:21,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2024-11-20 17:41:21,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d606fdc/4527b9bd62ce4ad3850143b31a622c46/FLAG3a0e708bb [2024-11-20 17:41:21,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d606fdc/4527b9bd62ce4ad3850143b31a622c46 [2024-11-20 17:41:21,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:41:21,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:41:21,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:41:21,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:41:21,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:41:21,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:41:21" (1/1) ... [2024-11-20 17:41:21,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bbf54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:21, skipping insertion in model container [2024-11-20 17:41:21,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:41:21" (1/1) ... [2024-11-20 17:41:21,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:41:21,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:41:21,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:41:21,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:41:22,006 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:41:22,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22 WrapperNode [2024-11-20 17:41:22,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:41:22,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:41:22,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:41:22,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:41:22,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,047 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 145 [2024-11-20 17:41:22,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:41:22,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:41:22,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:41:22,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:41:22,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,061 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,077 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 17:41:22,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:41:22,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:41:22,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:41:22,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:41:22,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (1/1) ... [2024-11-20 17:41:22,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:41:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:41:22,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:41:22,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:41:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:41:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 17:41:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 17:41:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 17:41:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 17:41:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:41:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 17:41:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 17:41:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:41:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:41:22,190 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 17:41:22,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:41:22,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:41:22,599 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 17:41:22,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:41:22,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:41:22,908 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 17:41:22,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:41:22 BoogieIcfgContainer [2024-11-20 17:41:22,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:41:22,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:41:22,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:41:22,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:41:22,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:41:21" (1/3) ... [2024-11-20 17:41:22,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f3fe1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:41:22, skipping insertion in model container [2024-11-20 17:41:22,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:22" (2/3) ... [2024-11-20 17:41:22,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f3fe1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:41:22, skipping insertion in model container [2024-11-20 17:41:22,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:41:22" (3/3) ... [2024-11-20 17:41:22,916 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-11-20 17:41:22,939 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:41:22,939 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 17:41:22,939 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 17:41:22,991 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 17:41:23,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 54 flow [2024-11-20 17:41:23,051 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-20 17:41:23,052 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 17:41:23,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 18 events. 0/18 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-20 17:41:23,056 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 20 transitions, 54 flow [2024-11-20 17:41:23,061 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 17 transitions, 46 flow [2024-11-20 17:41:23,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:41:23,079 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;@3067c813, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:41:23,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-20 17:41:23,095 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 17:41:23,095 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2024-11-20 17:41:23,095 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 17:41:23,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:41:23,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:41:23,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:41:23,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:41:23,103 INFO L85 PathProgramCache]: Analyzing trace with hash -126701461, now seen corresponding path program 1 times [2024-11-20 17:41:23,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:41:23,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637369446] [2024-11-20 17:41:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:41:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:41:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:41:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:41:24,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:41:24,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637369446] [2024-11-20 17:41:24,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637369446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:41:24,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:41:24,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:41:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620953124] [2024-11-20 17:41:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:41:24,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:41:24,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:41:24,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:41:24,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:41:24,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 20 [2024-11-20 17:41:24,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:41:24,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:41:24,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 20 [2024-11-20 17:41:24,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:41:24,434 INFO L124 PetriNetUnfolderBase]: 27/71 cut-off events. [2024-11-20 17:41:24,436 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-20 17:41:24,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 71 events. 27/71 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 190 event pairs, 2 based on Foata normal form. 2/72 useless extension candidates. Maximal degree in co-relation 118. Up to 36 conditions per place. [2024-11-20 17:41:24,442 INFO L140 encePairwiseOnDemand]: 16/20 looper letters, 13 selfloop transitions, 1 changer transitions 8/25 dead transitions. [2024-11-20 17:41:24,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 25 transitions, 115 flow [2024-11-20 17:41:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:41:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:41:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 48 transitions. [2024-11-20 17:41:24,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6 [2024-11-20 17:41:24,457 INFO L175 Difference]: Start difference. First operand has 24 places, 17 transitions, 46 flow. Second operand 4 states and 48 transitions. [2024-11-20 17:41:24,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 25 transitions, 115 flow [2024-11-20 17:41:24,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 25 transitions, 101 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 17:41:24,463 INFO L231 Difference]: Finished difference. Result has 23 places, 15 transitions, 41 flow [2024-11-20 17:41:24,465 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=41, PETRI_PLACES=23, PETRI_TRANSITIONS=15} [2024-11-20 17:41:24,469 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2024-11-20 17:41:24,470 INFO L471 AbstractCegarLoop]: Abstraction has has 23 places, 15 transitions, 41 flow [2024-11-20 17:41:24,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:41:24,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:41:24,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:41:24,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:41:24,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-20 17:41:24,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:41:24,474 INFO L85 PathProgramCache]: Analyzing trace with hash 153513209, now seen corresponding path program 2 times [2024-11-20 17:41:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:41:24,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261880252] [2024-11-20 17:41:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:41:24,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:41:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:41:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:41:24,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:41:24,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261880252] [2024-11-20 17:41:24,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261880252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:41:24,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:41:24,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:41:24,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110003159] [2024-11-20 17:41:24,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:41:24,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:41:24,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:41:24,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:41:24,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:41:24,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 20 [2024-11-20 17:41:24,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 15 transitions, 41 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:41:24,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:41:24,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 20 [2024-11-20 17:41:24,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:41:25,032 INFO L124 PetriNetUnfolderBase]: 17/49 cut-off events. [2024-11-20 17:41:25,032 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-20 17:41:25,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 49 events. 17/49 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 6 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 109. Up to 21 conditions per place. [2024-11-20 17:41:25,034 INFO L140 encePairwiseOnDemand]: 17/20 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-11-20 17:41:25,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 85 flow [2024-11-20 17:41:25,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:41:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:41:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2024-11-20 17:41:25,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-20 17:41:25,036 INFO L175 Difference]: Start difference. First operand has 23 places, 15 transitions, 41 flow. Second operand 4 states and 42 transitions. [2024-11-20 17:41:25,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 85 flow [2024-11-20 17:41:25,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 19 transitions, 83 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 17:41:25,037 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2024-11-20 17:41:25,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2024-11-20 17:41:25,038 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2024-11-20 17:41:25,039 INFO L471 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2024-11-20 17:41:25,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:41:25,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-20 17:41:25,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-20 17:41:25,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-20 17:41:25,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-20 17:41:25,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:41:25,043 INFO L407 BasicCegarLoop]: Path program histogram: [2] [2024-11-20 17:41:25,047 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 17:41:25,047 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:41:25,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:41:25 BasicIcfg [2024-11-20 17:41:25,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:41:25,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:41:25,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:41:25,054 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:41:25,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:41:22" (3/4) ... [2024-11-20 17:41:25,057 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:41:25,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 17:41:25,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 17:41:25,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2024-11-20 17:41:25,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-20 17:41:25,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-20 17:41:25,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:41:25,173 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:41:25,173 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:41:25,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:41:25,174 INFO L158 Benchmark]: Toolchain (without parser) took 3418.05ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 112.6MB in the beginning and 189.1MB in the end (delta: -76.5MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,175 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:41:25,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.18ms. Allocated memory is still 165.7MB. Free memory was 112.6MB in the beginning and 99.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.20ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 97.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,175 INFO L158 Benchmark]: Boogie Preprocessor took 49.05ms. Allocated memory is still 165.7MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,176 INFO L158 Benchmark]: RCFGBuilder took 810.53ms. Allocated memory is still 165.7MB. Free memory was 95.4MB in the beginning and 109.2MB in the end (delta: -13.8MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,176 INFO L158 Benchmark]: TraceAbstraction took 2142.38ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 108.0MB in the beginning and 69.6MB in the end (delta: 38.4MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,176 INFO L158 Benchmark]: Witness Printer took 119.85ms. Allocated memory is still 222.3MB. Free memory was 69.6MB in the beginning and 189.1MB in the end (delta: -119.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:41:25,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.18ms. Allocated memory is still 165.7MB. Free memory was 112.6MB in the beginning and 99.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.20ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 97.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.05ms. Allocated memory is still 165.7MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 810.53ms. Allocated memory is still 165.7MB. Free memory was 95.4MB in the beginning and 109.2MB in the end (delta: -13.8MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2142.38ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 108.0MB in the beginning and 69.6MB in the end (delta: 38.4MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * Witness Printer took 119.85ms. Allocated memory is still 222.3MB. Free memory was 69.6MB in the beginning and 189.1MB in the end (delta: -119.5MB). 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: 62]: 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, 31 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: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 439 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! [2024-11-20 17:41:25,204 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