./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/rfi003_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/rfi003_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:57:34,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:57:34,160 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:57:34,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:57:34,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:57:34,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:57:34,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:57:34,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:57:34,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:57:34,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:57:34,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:57:34,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:57:34,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:57:34,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:57:34,207 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:57:34,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:57:34,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:57:34,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:57:34,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:57:34,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:57:34,209 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:57:34,213 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:57:34,213 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:57:34,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:57:34,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:57:34,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:57:34,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:57:34,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:57:34,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:57:34,216 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:57:34,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:57:34,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:57:34,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:57:34,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:57:34,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:57:34,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:57:34,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:57:34,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:57:34,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:57:34,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:57:34,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:57:34,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:57:34,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 [2024-11-10 17:57:34,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:57:34,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:57:34,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:57:34,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:57:34,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:57:34,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2024-11-10 17:57:36,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:57:36,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:57:36,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2024-11-10 17:57:36,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e367658/027ba3602a5f48aebf6fa67f7c42c876/FLAG137e2f771 [2024-11-10 17:57:36,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e367658/027ba3602a5f48aebf6fa67f7c42c876 [2024-11-10 17:57:36,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:57:36,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:57:36,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:57:36,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:57:36,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:57:36,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:57:36" (1/1) ... [2024-11-10 17:57:36,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebfcbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:36, skipping insertion in model container [2024-11-10 17:57:36,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:57:36" (1/1) ... [2024-11-10 17:57:36,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:57:37,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:57:37,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:57:37,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:57:37,271 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:57:37,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37 WrapperNode [2024-11-10 17:57:37,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:57:37,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:57:37,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:57:37,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:57:37,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,353 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 172 [2024-11-10 17:57:37,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:57:37,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:57:37,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:57:37,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:57:37,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,400 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 17:57:37,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,416 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:57:37,424 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:57:37,424 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:57:37,425 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:57:37,425 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (1/1) ... [2024-11-10 17:57:37,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:57:37,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:57:37,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 17:57:37,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 17:57:37,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 17:57:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:57:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 17:57:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 17:57:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 17:57:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 17:57:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:57:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 17:57:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:57:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:57:37,527 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:57:37,647 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:57:37,649 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:57:38,029 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:57:38,029 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:57:38,266 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:57:38,267 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:57:38,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:57:38 BoogieIcfgContainer [2024-11-10 17:57:38,267 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:57:38,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:57:38,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:57:38,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:57:38,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:57:36" (1/3) ... [2024-11-10 17:57:38,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db75b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:57:38, skipping insertion in model container [2024-11-10 17:57:38,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:37" (2/3) ... [2024-11-10 17:57:38,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db75b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:57:38, skipping insertion in model container [2024-11-10 17:57:38,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:57:38" (3/3) ... [2024-11-10 17:57:38,277 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2024-11-10 17:57:38,291 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:57:38,291 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:57:38,291 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:57:38,342 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 17:57:38,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-11-10 17:57:38,411 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-10 17:57:38,411 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:38,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-11-10 17:57:38,417 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-11-10 17:57:38,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-11-10 17:57:38,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:57:38,441 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;@306494e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:57:38,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 17:57:38,449 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:57:38,449 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-10 17:57:38,449 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:38,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:38,450 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:38,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:38,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1574432717, now seen corresponding path program 1 times [2024-11-10 17:57:38,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:38,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280558221] [2024-11-10 17:57:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:39,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:39,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280558221] [2024-11-10 17:57:39,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280558221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:39,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:39,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:57:39,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972675239] [2024-11-10 17:57:39,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:39,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:57:39,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:57:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:57:39,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:39,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:39,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:39,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:39,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:39,536 INFO L124 PetriNetUnfolderBase]: 927/1561 cut-off events. [2024-11-10 17:57:39,536 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 17:57:39,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3083 conditions, 1561 events. 927/1561 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7908 event pairs, 189 based on Foata normal form. 112/1672 useless extension candidates. Maximal degree in co-relation 3073. Up to 1159 conditions per place. [2024-11-10 17:57:39,554 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 37 selfloop transitions, 2 changer transitions 2/47 dead transitions. [2024-11-10 17:57:39,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 182 flow [2024-11-10 17:57:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:57:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:57:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-10 17:57:39,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2024-11-10 17:57:39,569 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 70 transitions. [2024-11-10 17:57:39,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 182 flow [2024-11-10 17:57:39,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 47 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:39,577 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-11-10 17:57:39,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-11-10 17:57:39,582 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-11-10 17:57:39,583 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-11-10 17:57:39,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:39,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:39,584 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:39,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:57:39,584 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:39,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:39,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2044977788, now seen corresponding path program 1 times [2024-11-10 17:57:39,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:39,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481211223] [2024-11-10 17:57:39,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:39,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:39,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:39,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481211223] [2024-11-10 17:57:39,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481211223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:39,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:39,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:57:39,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423285408] [2024-11-10 17:57:39,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:39,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:57:39,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:39,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:57:39,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:57:39,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:39,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:39,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:39,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:39,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:39,930 INFO L124 PetriNetUnfolderBase]: 830/1492 cut-off events. [2024-11-10 17:57:39,930 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-11-10 17:57:39,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 1492 events. 830/1492 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 7711 event pairs, 830 based on Foata normal form. 56/1540 useless extension candidates. Maximal degree in co-relation 2914. Up to 1349 conditions per place. [2024-11-10 17:57:39,938 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 23 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-11-10 17:57:39,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 118 flow [2024-11-10 17:57:39,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:57:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:57:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2024-11-10 17:57:39,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2024-11-10 17:57:39,941 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 47 transitions. [2024-11-10 17:57:39,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 118 flow [2024-11-10 17:57:39,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:39,943 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-11-10 17:57:39,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-11-10 17:57:39,944 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-11-10 17:57:39,944 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-11-10 17:57:39,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:39,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:39,945 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:39,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:57:39,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:39,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:39,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2044978289, now seen corresponding path program 1 times [2024-11-10 17:57:39,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:39,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147736548] [2024-11-10 17:57:39,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:39,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:40,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:40,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147736548] [2024-11-10 17:57:40,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147736548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:40,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:40,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:57:40,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277007111] [2024-11-10 17:57:40,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:40,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:57:40,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:40,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:57:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:57:40,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:40,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:40,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:40,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:40,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:40,490 INFO L124 PetriNetUnfolderBase]: 444/864 cut-off events. [2024-11-10 17:57:40,491 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:40,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 864 events. 444/864 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4040 event pairs, 132 based on Foata normal form. 56/919 useless extension candidates. Maximal degree in co-relation 1661. Up to 379 conditions per place. [2024-11-10 17:57:40,495 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 47 selfloop transitions, 4 changer transitions 1/57 dead transitions. [2024-11-10 17:57:40,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 57 transitions, 226 flow [2024-11-10 17:57:40,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:57:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 17:57:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2024-11-10 17:57:40,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5657894736842105 [2024-11-10 17:57:40,499 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 4 states and 86 transitions. [2024-11-10 17:57:40,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 57 transitions, 226 flow [2024-11-10 17:57:40,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 57 transitions, 225 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:57:40,501 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 89 flow [2024-11-10 17:57:40,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=89, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2024-11-10 17:57:40,503 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places. [2024-11-10 17:57:40,503 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 89 flow [2024-11-10 17:57:40,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:40,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:40,504 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:40,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:57:40,505 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:40,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1170739092, now seen corresponding path program 1 times [2024-11-10 17:57:40,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:40,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771213332] [2024-11-10 17:57:40,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:40,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:40,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:40,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771213332] [2024-11-10 17:57:40,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771213332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:40,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:40,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:57:40,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368089269] [2024-11-10 17:57:40,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:40,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:57:40,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:40,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:57:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:57:40,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:40,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:40,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:40,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:40,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:41,057 INFO L124 PetriNetUnfolderBase]: 208/400 cut-off events. [2024-11-10 17:57:41,058 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-11-10 17:57:41,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 400 events. 208/400 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1377 event pairs, 88 based on Foata normal form. 26/425 useless extension candidates. Maximal degree in co-relation 919. Up to 161 conditions per place. [2024-11-10 17:57:41,061 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 37 selfloop transitions, 6 changer transitions 1/49 dead transitions. [2024-11-10 17:57:41,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 49 transitions, 218 flow [2024-11-10 17:57:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:57:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 17:57:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2024-11-10 17:57:41,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45263157894736844 [2024-11-10 17:57:41,063 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 89 flow. Second operand 5 states and 86 transitions. [2024-11-10 17:57:41,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 49 transitions, 218 flow [2024-11-10 17:57:41,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 49 transitions, 209 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:41,065 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 105 flow [2024-11-10 17:57:41,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=105, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2024-11-10 17:57:41,066 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 3 predicate places. [2024-11-10 17:57:41,066 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 105 flow [2024-11-10 17:57:41,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:41,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:41,066 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:41,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:57:41,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:41,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:41,067 INFO L85 PathProgramCache]: Analyzing trace with hash 576274375, now seen corresponding path program 1 times [2024-11-10 17:57:41,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:41,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147275124] [2024-11-10 17:57:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:41,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:42,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:42,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147275124] [2024-11-10 17:57:42,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147275124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:42,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:42,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:57:42,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100382491] [2024-11-10 17:57:42,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:42,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:57:42,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:57:42,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:57:42,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:42,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 105 flow. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:42,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:42,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:42,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:42,507 INFO L124 PetriNetUnfolderBase]: 257/502 cut-off events. [2024-11-10 17:57:42,508 INFO L125 PetriNetUnfolderBase]: For 232/232 co-relation queries the response was YES. [2024-11-10 17:57:42,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 502 events. 257/502 cut-off events. For 232/232 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1857 event pairs, 18 based on Foata normal form. 4/506 useless extension candidates. Maximal degree in co-relation 1202. Up to 259 conditions per place. [2024-11-10 17:57:42,510 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 30 selfloop transitions, 3 changer transitions 29/67 dead transitions. [2024-11-10 17:57:42,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 67 transitions, 343 flow [2024-11-10 17:57:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 17:57:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 17:57:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 123 transitions. [2024-11-10 17:57:42,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40460526315789475 [2024-11-10 17:57:42,512 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 105 flow. Second operand 8 states and 123 transitions. [2024-11-10 17:57:42,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 67 transitions, 343 flow [2024-11-10 17:57:42,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 67 transitions, 286 flow, removed 10 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:42,516 INFO L231 Difference]: Finished difference. Result has 50 places, 31 transitions, 94 flow [2024-11-10 17:57:42,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=94, PETRI_PLACES=50, PETRI_TRANSITIONS=31} [2024-11-10 17:57:42,517 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2024-11-10 17:57:42,517 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 31 transitions, 94 flow [2024-11-10 17:57:42,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:42,517 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:42,517 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:42,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:57:42,518 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:42,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:42,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1631146235, now seen corresponding path program 2 times [2024-11-10 17:57:42,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:42,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70093689] [2024-11-10 17:57:42,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:42,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:47,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:47,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70093689] [2024-11-10 17:57:47,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70093689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:47,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:47,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 17:57:47,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242996050] [2024-11-10 17:57:47,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:47,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 17:57:47,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:47,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 17:57:47,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-10 17:57:47,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:47,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 31 transitions, 94 flow. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:47,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:47,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:47,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:48,015 INFO L124 PetriNetUnfolderBase]: 236/499 cut-off events. [2024-11-10 17:57:48,015 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-11-10 17:57:48,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 499 events. 236/499 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2001 event pairs, 32 based on Foata normal form. 4/503 useless extension candidates. Maximal degree in co-relation 1120. Up to 129 conditions per place. [2024-11-10 17:57:48,018 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 44 selfloop transitions, 13 changer transitions 23/85 dead transitions. [2024-11-10 17:57:48,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 85 transitions, 398 flow [2024-11-10 17:57:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 17:57:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 17:57:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 171 transitions. [2024-11-10 17:57:48,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-10 17:57:48,020 INFO L175 Difference]: Start difference. First operand has 50 places, 31 transitions, 94 flow. Second operand 12 states and 171 transitions. [2024-11-10 17:57:48,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 85 transitions, 398 flow [2024-11-10 17:57:48,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 85 transitions, 382 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-10 17:57:48,023 INFO L231 Difference]: Finished difference. Result has 58 places, 38 transitions, 155 flow [2024-11-10 17:57:48,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=155, PETRI_PLACES=58, PETRI_TRANSITIONS=38} [2024-11-10 17:57:48,024 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places. [2024-11-10 17:57:48,026 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 38 transitions, 155 flow [2024-11-10 17:57:48,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:48,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:48,026 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:48,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:57:48,027 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:48,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:48,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2120977511, now seen corresponding path program 3 times [2024-11-10 17:57:48,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:48,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349704542] [2024-11-10 17:57:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:48,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:53,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:53,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349704542] [2024-11-10 17:57:53,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349704542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:53,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:53,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 17:57:53,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119801193] [2024-11-10 17:57:53,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:53,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 17:57:53,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:53,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 17:57:53,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-10 17:57:53,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:53,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 38 transitions, 155 flow. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:53,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:53,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:53,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:54,315 INFO L124 PetriNetUnfolderBase]: 146/327 cut-off events. [2024-11-10 17:57:54,315 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-10 17:57:54,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 866 conditions, 327 events. 146/327 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1105 event pairs, 54 based on Foata normal form. 4/331 useless extension candidates. Maximal degree in co-relation 850. Up to 131 conditions per place. [2024-11-10 17:57:54,317 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 31 selfloop transitions, 9 changer transitions 18/63 dead transitions. [2024-11-10 17:57:54,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 63 transitions, 342 flow [2024-11-10 17:57:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 17:57:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 17:57:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 134 transitions. [2024-11-10 17:57:54,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3526315789473684 [2024-11-10 17:57:54,319 INFO L175 Difference]: Start difference. First operand has 58 places, 38 transitions, 155 flow. Second operand 10 states and 134 transitions. [2024-11-10 17:57:54,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 63 transitions, 342 flow [2024-11-10 17:57:54,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 63 transitions, 318 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:54,322 INFO L231 Difference]: Finished difference. Result has 62 places, 36 transitions, 149 flow [2024-11-10 17:57:54,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=149, PETRI_PLACES=62, PETRI_TRANSITIONS=36} [2024-11-10 17:57:54,323 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 21 predicate places. [2024-11-10 17:57:54,323 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 36 transitions, 149 flow [2024-11-10 17:57:54,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:54,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:54,324 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:54,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:57:54,324 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:54,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:54,325 INFO L85 PathProgramCache]: Analyzing trace with hash -850737181, now seen corresponding path program 4 times [2024-11-10 17:57:54,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:54,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196076739] [2024-11-10 17:57:54,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:54,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:57,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:57,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196076739] [2024-11-10 17:57:57,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196076739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:57,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:57,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 17:57:57,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585163342] [2024-11-10 17:57:57,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:57,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 17:57:57,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:57,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 17:57:57,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 17:57:57,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:57,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 36 transitions, 149 flow. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:57,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:57,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:57,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:58,038 INFO L124 PetriNetUnfolderBase]: 99/214 cut-off events. [2024-11-10 17:57:58,039 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-10 17:57:58,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 214 events. 99/214 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 585 event pairs, 12 based on Foata normal form. 4/218 useless extension candidates. Maximal degree in co-relation 593. Up to 69 conditions per place. [2024-11-10 17:57:58,040 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2024-11-10 17:57:58,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 49 transitions, 273 flow [2024-11-10 17:57:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 17:57:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 17:57:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-10 17:57:58,043 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3236842105263158 [2024-11-10 17:57:58,043 INFO L175 Difference]: Start difference. First operand has 62 places, 36 transitions, 149 flow. Second operand 10 states and 123 transitions. [2024-11-10 17:57:58,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 49 transitions, 273 flow [2024-11-10 17:57:58,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 242 flow, removed 3 selfloop flow, removed 10 redundant places. [2024-11-10 17:57:58,045 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2024-11-10 17:57:58,045 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2024-11-10 17:57:58,048 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 14 predicate places. [2024-11-10 17:57:58,048 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2024-11-10 17:57:58,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:58,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-10 17:57:58,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-10 17:57:58,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-10 17:57:58,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-10 17:57:58,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-10 17:57:58,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-10 17:57:58,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 17:57:58,055 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2024-11-10 17:57:58,063 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 17:57:58,064 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 17:57:58,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:57:58 BasicIcfg [2024-11-10 17:57:58,072 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 17:57:58,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 17:57:58,073 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 17:57:58,073 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 17:57:58,074 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:57:38" (3/4) ... [2024-11-10 17:57:58,078 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 17:57:58,081 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 17:57:58,081 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 17:57:58,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2024-11-10 17:57:58,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-10 17:57:58,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 17:57:58,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 17:57:58,175 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 17:57:58,176 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 17:57:58,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 17:57:58,177 INFO L158 Benchmark]: Toolchain (without parser) took 21563.03ms. Allocated memory was 161.5MB in the beginning and 885.0MB in the end (delta: 723.5MB). Free memory was 104.3MB in the beginning and 777.6MB in the end (delta: -673.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,177 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 17:57:58,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.95ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 75.9MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.40ms. Allocated memory is still 161.5MB. Free memory was 75.9MB in the beginning and 72.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,178 INFO L158 Benchmark]: Boogie Preprocessor took 69.33ms. Allocated memory is still 161.5MB. Free memory was 72.1MB in the beginning and 67.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,178 INFO L158 Benchmark]: IcfgBuilder took 843.55ms. Allocated memory is still 161.5MB. Free memory was 67.5MB in the beginning and 74.7MB in the end (delta: -7.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,178 INFO L158 Benchmark]: TraceAbstraction took 19802.70ms. Allocated memory was 161.5MB in the beginning and 885.0MB in the end (delta: 723.5MB). Free memory was 74.7MB in the beginning and 781.8MB in the end (delta: -707.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,179 INFO L158 Benchmark]: Witness Printer took 103.08ms. Allocated memory is still 885.0MB. Free memory was 781.8MB in the beginning and 777.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:57:58,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.95ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 75.9MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.40ms. Allocated memory is still 161.5MB. Free memory was 75.9MB in the beginning and 72.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.33ms. Allocated memory is still 161.5MB. Free memory was 72.1MB in the beginning and 67.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 843.55ms. Allocated memory is still 161.5MB. Free memory was 67.5MB in the beginning and 74.7MB in the end (delta: -7.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19802.70ms. Allocated memory was 161.5MB in the beginning and 885.0MB in the end (delta: 723.5MB). Free memory was 74.7MB in the beginning and 781.8MB in the end (delta: -707.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 103.08ms. Allocated memory is still 885.0MB. Free memory was 781.8MB in the beginning and 777.6MB 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: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 833]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: 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, 57 locations, 6 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: 19.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 409 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 401 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1218 IncrementalHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 2 mSDtfsCounter, 1218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=6, InterpolantAutomatonStates: 55, 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: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 1982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 17:57:58,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE