./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:36:40,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:36:40,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:36:40,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:36:40,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:36:40,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:36:40,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:36:40,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:36:40,853 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:36:40,853 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:36:40,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:36:40,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:36:40,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:36:40,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:36:40,871 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:36:40,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:36:40,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:36:40,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:36:40,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:36:40,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:36:40,873 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:36:40,873 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:36:40,874 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:36:40,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:36:40,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:36:40,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:36:40,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:36:40,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:36:40,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:36:40,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:36:40,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:36:40,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:36:40,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:36:40,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:36:40,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:36:40,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:36:40,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:36:40,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:36:40,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:36:40,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:36:40,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:36:40,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:36:40,882 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2024-10-11 19:36:41,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:36:41,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:36:41,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:36:41,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:36:41,144 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:36:41,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-10-11 19:36:42,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:36:42,880 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:36:42,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-10-11 19:36:42,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53a0a706f/9a6840b624ca44c08595cd688ae10bfb/FLAG321e0dd3d [2024-10-11 19:36:42,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53a0a706f/9a6840b624ca44c08595cd688ae10bfb [2024-10-11 19:36:42,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:36:42,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:36:42,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:36:42,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:36:42,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:36:42,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:36:42" (1/1) ... [2024-10-11 19:36:42,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e21546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:42, skipping insertion in model container [2024-10-11 19:36:42,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:36:42" (1/1) ... [2024-10-11 19:36:42,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:36:43,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:36:43,334 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:36:43,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:36:43,426 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:36:43,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43 WrapperNode [2024-10-11 19:36:43,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:36:43,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:36:43,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:36:43,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:36:43,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,477 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 212 [2024-10-11 19:36:43,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:36:43,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:36:43,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:36:43,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:36:43,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,524 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 19:36:43,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:36:43,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:36:43,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:36:43,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:36:43,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (1/1) ... [2024-10-11 19:36:43,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:36:43,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:36:43,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:36:43,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:36:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 19:36:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:36:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 19:36:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 19:36:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 19:36:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 19:36:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 19:36:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 19:36:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:36:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:36:43,637 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:36:43,779 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:36:43,782 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:36:44,240 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:36:44,241 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:36:44,484 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:36:44,484 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:36:44,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:36:44 BoogieIcfgContainer [2024-10-11 19:36:44,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:36:44,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:36:44,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:36:44,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:36:44,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:36:42" (1/3) ... [2024-10-11 19:36:44,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b83309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:36:44, skipping insertion in model container [2024-10-11 19:36:44,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:43" (2/3) ... [2024-10-11 19:36:44,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b83309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:36:44, skipping insertion in model container [2024-10-11 19:36:44,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:36:44" (3/3) ... [2024-10-11 19:36:44,491 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-10-11 19:36:44,507 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:36:44,507 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 19:36:44,507 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:36:44,561 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:36:44,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 39 transitions, 86 flow [2024-10-11 19:36:44,609 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-10-11 19:36:44,610 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:36:44,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 37 events. 2/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2024-10-11 19:36:44,612 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 39 transitions, 86 flow [2024-10-11 19:36:44,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 37 transitions, 80 flow [2024-10-11 19:36:44,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:36:44,631 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;@67236234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:36:44,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 19:36:44,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:36:44,637 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-10-11 19:36:44,637 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:36:44,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:44,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 19:36:44,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:44,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:44,644 INFO L85 PathProgramCache]: Analyzing trace with hash -146241679, now seen corresponding path program 1 times [2024-10-11 19:36:44,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:44,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203916837] [2024-10-11 19:36:44,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:44,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:45,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:45,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203916837] [2024-10-11 19:36:45,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203916837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:45,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:45,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:36:45,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707479155] [2024-10-11 19:36:45,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:45,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:36:45,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:45,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:36:45,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:36:45,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-10-11 19:36:45,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:45,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:45,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-10-11 19:36:45,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:45,811 INFO L124 PetriNetUnfolderBase]: 572/1019 cut-off events. [2024-10-11 19:36:45,812 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 19:36:45,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1978 conditions, 1019 events. 572/1019 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5641 event pairs, 40 based on Foata normal form. 80/1051 useless extension candidates. Maximal degree in co-relation 1968. Up to 848 conditions per place. [2024-10-11 19:36:45,833 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 33 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2024-10-11 19:36:45,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 45 transitions, 166 flow [2024-10-11 19:36:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:36:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:36:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-10-11 19:36:45,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6495726495726496 [2024-10-11 19:36:45,850 INFO L175 Difference]: Start difference. First operand has 42 places, 37 transitions, 80 flow. Second operand 3 states and 76 transitions. [2024-10-11 19:36:45,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 45 transitions, 166 flow [2024-10-11 19:36:45,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:45,857 INFO L231 Difference]: Finished difference. Result has 40 places, 33 transitions, 74 flow [2024-10-11 19:36:45,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2024-10-11 19:36:45,865 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2024-10-11 19:36:45,866 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 74 flow [2024-10-11 19:36:45,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:45,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:45,866 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:45,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 19:36:45,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:45,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:45,869 INFO L85 PathProgramCache]: Analyzing trace with hash -238524162, now seen corresponding path program 1 times [2024-10-11 19:36:45,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:45,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736611091] [2024-10-11 19:36:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:46,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:46,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736611091] [2024-10-11 19:36:46,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736611091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:46,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:46,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:36:46,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371328847] [2024-10-11 19:36:46,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:46,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:36:46,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:36:46,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:36:46,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-10-11 19:36:46,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:46,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:46,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-10-11 19:36:46,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:46,424 INFO L124 PetriNetUnfolderBase]: 496/923 cut-off events. [2024-10-11 19:36:46,424 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-10-11 19:36:46,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 923 events. 496/923 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5174 event pairs, 116 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 1796. Up to 606 conditions per place. [2024-10-11 19:36:46,429 INFO L140 encePairwiseOnDemand]: 36/39 looper letters, 30 selfloop transitions, 2 changer transitions 2/44 dead transitions. [2024-10-11 19:36:46,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 164 flow [2024-10-11 19:36:46,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:36:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:36:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-10-11 19:36:46,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6068376068376068 [2024-10-11 19:36:46,430 INFO L175 Difference]: Start difference. First operand has 40 places, 33 transitions, 74 flow. Second operand 3 states and 71 transitions. [2024-10-11 19:36:46,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 164 flow [2024-10-11 19:36:46,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:46,432 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-10-11 19:36:46,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, 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} [2024-10-11 19:36:46,432 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2024-10-11 19:36:46,432 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-10-11 19:36:46,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:46,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:46,433 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:46,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 19:36:46,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:46,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:46,434 INFO L85 PathProgramCache]: Analyzing trace with hash -24866101, now seen corresponding path program 1 times [2024-10-11 19:36:46,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:46,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157295320] [2024-10-11 19:36:46,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:46,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:46,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:46,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157295320] [2024-10-11 19:36:46,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157295320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:46,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:46,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:36:46,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443541161] [2024-10-11 19:36:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:46,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:36:46,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:46,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:36:46,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:36:46,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-10-11 19:36:46,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:46,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:46,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-10-11 19:36:46,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:46,620 INFO L124 PetriNetUnfolderBase]: 438/878 cut-off events. [2024-10-11 19:36:46,620 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-11 19:36:46,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 878 events. 438/878 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4923 event pairs, 438 based on Foata normal form. 35/900 useless extension candidates. Maximal degree in co-relation 1653. Up to 729 conditions per place. [2024-10-11 19:36:46,624 INFO L140 encePairwiseOnDemand]: 37/39 looper letters, 19 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-10-11 19:36:46,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 110 flow [2024-10-11 19:36:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:36:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:36:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2024-10-11 19:36:46,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4700854700854701 [2024-10-11 19:36:46,625 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 55 transitions. [2024-10-11 19:36:46,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 110 flow [2024-10-11 19:36:46,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:46,626 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-10-11 19:36:46,626 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, 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} [2024-10-11 19:36:46,627 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2024-10-11 19:36:46,627 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-10-11 19:36:46,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:46,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:46,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:46,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 19:36:46,628 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:46,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash -24865926, now seen corresponding path program 1 times [2024-10-11 19:36:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987767492] [2024-10-11 19:36:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:46,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:46,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987767492] [2024-10-11 19:36:46,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987767492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:46,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:46,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:36:46,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282702270] [2024-10-11 19:36:46,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:46,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:36:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:36:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:36:46,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 39 [2024-10-11 19:36:46,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:46,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:46,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 39 [2024-10-11 19:36:46,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:47,119 INFO L124 PetriNetUnfolderBase]: 389/766 cut-off events. [2024-10-11 19:36:47,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:36:47,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1474 conditions, 766 events. 389/766 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3615 event pairs, 103 based on Foata normal form. 48/812 useless extension candidates. Maximal degree in co-relation 1468. Up to 349 conditions per place. [2024-10-11 19:36:47,122 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 44 selfloop transitions, 4 changer transitions 1/55 dead transitions. [2024-10-11 19:36:47,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 55 transitions, 216 flow [2024-10-11 19:36:47,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:36:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:36:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-10-11 19:36:47,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5576923076923077 [2024-10-11 19:36:47,124 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 4 states and 87 transitions. [2024-10-11 19:36:47,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 55 transitions, 216 flow [2024-10-11 19:36:47,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 55 transitions, 215 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:36:47,126 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 89 flow [2024-10-11 19:36:47,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, 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} [2024-10-11 19:36:47,127 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2024-10-11 19:36:47,127 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 89 flow [2024-10-11 19:36:47,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:47,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:47,127 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:47,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 19:36:47,128 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:47,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1570345469, now seen corresponding path program 1 times [2024-10-11 19:36:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:47,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098531174] [2024-10-11 19:36:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:47,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:47,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098531174] [2024-10-11 19:36:47,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098531174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:47,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:47,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:36:47,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451302337] [2024-10-11 19:36:47,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:47,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:36:47,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:47,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:36:47,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:36:47,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 39 [2024-10-11 19:36:47,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:47,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:47,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 39 [2024-10-11 19:36:47,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:47,735 INFO L124 PetriNetUnfolderBase]: 181/354 cut-off events. [2024-10-11 19:36:47,735 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-10-11 19:36:47,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 354 events. 181/354 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1214 event pairs, 69 based on Foata normal form. 24/376 useless extension candidates. Maximal degree in co-relation 816. Up to 146 conditions per place. [2024-10-11 19:36:47,737 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 35 selfloop transitions, 6 changer transitions 1/48 dead transitions. [2024-10-11 19:36:47,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 212 flow [2024-10-11 19:36:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:36:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:36:47,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2024-10-11 19:36:47,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4564102564102564 [2024-10-11 19:36:47,739 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 89 flow. Second operand 5 states and 89 transitions. [2024-10-11 19:36:47,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 212 flow [2024-10-11 19:36:47,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 203 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:47,740 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 105 flow [2024-10-11 19:36:47,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, 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} [2024-10-11 19:36:47,741 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places. [2024-10-11 19:36:47,741 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 105 flow [2024-10-11 19:36:47,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:47,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:47,742 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] [2024-10-11 19:36:47,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 19:36:47,742 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:47,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1411754912, now seen corresponding path program 1 times [2024-10-11 19:36:47,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:47,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115862852] [2024-10-11 19:36:47,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:52,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:52,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115862852] [2024-10-11 19:36:52,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115862852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:52,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:52,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 19:36:52,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029452191] [2024-10-11 19:36:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:52,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 19:36:52,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:52,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 19:36:52,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-11 19:36:52,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-10-11 19:36:52,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 105 flow. Second operand has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:52,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:52,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-10-11 19:36:52,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:54,638 INFO L124 PetriNetUnfolderBase]: 231/491 cut-off events. [2024-10-11 19:36:54,638 INFO L125 PetriNetUnfolderBase]: For 136/136 co-relation queries the response was YES. [2024-10-11 19:36:54,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 491 events. 231/491 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2062 event pairs, 30 based on Foata normal form. 4/488 useless extension candidates. Maximal degree in co-relation 1079. Up to 196 conditions per place. [2024-10-11 19:36:54,642 INFO L140 encePairwiseOnDemand]: 28/39 looper letters, 38 selfloop transitions, 13 changer transitions 15/76 dead transitions. [2024-10-11 19:36:54,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 76 transitions, 335 flow [2024-10-11 19:36:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 19:36:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 19:36:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2024-10-11 19:36:54,648 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45384615384615384 [2024-10-11 19:36:54,648 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 105 flow. Second operand 10 states and 177 transitions. [2024-10-11 19:36:54,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 76 transitions, 335 flow [2024-10-11 19:36:54,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 76 transitions, 301 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-11 19:36:54,659 INFO L231 Difference]: Finished difference. Result has 53 places, 42 transitions, 167 flow [2024-10-11 19:36:54,663 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, 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=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=167, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2024-10-11 19:36:54,664 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 11 predicate places. [2024-10-11 19:36:54,664 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 167 flow [2024-10-11 19:36:54,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:54,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:54,665 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] [2024-10-11 19:36:54,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 19:36:54,665 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:54,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:54,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1634964464, now seen corresponding path program 2 times [2024-10-11 19:36:54,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:54,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13285225] [2024-10-11 19:36:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:54,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:55,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13285225] [2024-10-11 19:36:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13285225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:55,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:55,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:36:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411078292] [2024-10-11 19:36:55,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:55,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:36:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:55,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:36:55,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:36:55,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-10-11 19:36:55,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:55,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:55,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-10-11 19:36:55,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:56,427 INFO L124 PetriNetUnfolderBase]: 307/668 cut-off events. [2024-10-11 19:36:56,427 INFO L125 PetriNetUnfolderBase]: For 260/260 co-relation queries the response was YES. [2024-10-11 19:36:56,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1720 conditions, 668 events. 307/668 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3364 event pairs, 125 based on Foata normal form. 4/656 useless extension candidates. Maximal degree in co-relation 1706. Up to 323 conditions per place. [2024-10-11 19:36:56,430 INFO L140 encePairwiseOnDemand]: 31/39 looper letters, 27 selfloop transitions, 5 changer transitions 25/69 dead transitions. [2024-10-11 19:36:56,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 386 flow [2024-10-11 19:36:56,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:36:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:36:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions. [2024-10-11 19:36:56,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49572649572649574 [2024-10-11 19:36:56,432 INFO L175 Difference]: Start difference. First operand has 53 places, 42 transitions, 167 flow. Second operand 6 states and 116 transitions. [2024-10-11 19:36:56,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 386 flow [2024-10-11 19:36:56,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 69 transitions, 380 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:56,434 INFO L231 Difference]: Finished difference. Result has 58 places, 41 transitions, 190 flow [2024-10-11 19:36:56,434 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=190, PETRI_PLACES=58, PETRI_TRANSITIONS=41} [2024-10-11 19:36:56,435 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 16 predicate places. [2024-10-11 19:36:56,435 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 41 transitions, 190 flow [2024-10-11 19:36:56,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:36:56,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:56,436 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] [2024-10-11 19:36:56,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 19:36:56,436 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:36:56,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:56,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1495763700, now seen corresponding path program 3 times [2024-10-11 19:36:56,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:56,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018805310] [2024-10-11 19:36:56,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:57,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:57,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018805310] [2024-10-11 19:36:57,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018805310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:57,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:57,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:36:57,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598245166] [2024-10-11 19:36:57,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:57,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:36:57,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:57,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:36:57,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:36:57,636 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-10-11 19:36:57,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 41 transitions, 190 flow. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 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) [2024-10-11 19:36:57,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:57,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-10-11 19:36:57,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:57,905 INFO L124 PetriNetUnfolderBase]: 191/421 cut-off events. [2024-10-11 19:36:57,905 INFO L125 PetriNetUnfolderBase]: For 336/336 co-relation queries the response was YES. [2024-10-11 19:36:57,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 421 events. 191/421 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1842 event pairs, 62 based on Foata normal form. 4/411 useless extension candidates. Maximal degree in co-relation 1186. Up to 170 conditions per place. [2024-10-11 19:36:57,906 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2024-10-11 19:36:57,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 50 transitions, 310 flow [2024-10-11 19:36:57,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 19:36:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-11 19:36:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 117 transitions. [2024-10-11 19:36:57,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2024-10-11 19:36:57,908 INFO L175 Difference]: Start difference. First operand has 58 places, 41 transitions, 190 flow. Second operand 7 states and 117 transitions. [2024-10-11 19:36:57,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 50 transitions, 310 flow [2024-10-11 19:36:57,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 287 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-10-11 19:36:57,911 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2024-10-11 19:36:57,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2024-10-11 19:36:57,913 INFO L277 CegarLoopForPetriNet]: 42 programPoint places, 13 predicate places. [2024-10-11 19:36:57,913 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2024-10-11 19:36:57,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 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) [2024-10-11 19:36:57,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (1 of 8 remaining) [2024-10-11 19:36:57,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-10-11 19:36:57,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 19:36:57,917 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-10-11 19:36:57,925 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:36:57,925 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:36:57,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:36:57 BasicIcfg [2024-10-11 19:36:57,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:36:57,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:36:57,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:36:57,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:36:57,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:36:44" (3/4) ... [2024-10-11 19:36:57,937 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 19:36:57,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-11 19:36:57,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-11 19:36:57,954 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 97 nodes and edges [2024-10-11 19:36:57,954 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-11 19:36:57,955 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 19:36:57,955 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 19:36:58,056 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 19:36:58,057 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 19:36:58,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:36:58,057 INFO L158 Benchmark]: Toolchain (without parser) took 15135.36ms. Allocated memory was 228.6MB in the beginning and 981.5MB in the end (delta: 752.9MB). Free memory was 197.6MB in the beginning and 407.9MB in the end (delta: -210.2MB). Peak memory consumption was 541.5MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,057 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:36:58,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.52ms. Allocated memory is still 228.6MB. Free memory was 197.6MB in the beginning and 167.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.99ms. Allocated memory is still 228.6MB. Free memory was 167.2MB in the beginning and 163.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,058 INFO L158 Benchmark]: Boogie Preprocessor took 65.16ms. Allocated memory is still 228.6MB. Free memory was 163.1MB in the beginning and 157.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,058 INFO L158 Benchmark]: RCFGBuilder took 940.49ms. Allocated memory is still 228.6MB. Free memory was 157.8MB in the beginning and 133.1MB in the end (delta: 24.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,058 INFO L158 Benchmark]: TraceAbstraction took 13448.32ms. Allocated memory was 228.6MB in the beginning and 981.5MB in the end (delta: 752.9MB). Free memory was 132.0MB in the beginning and 413.1MB in the end (delta: -281.1MB). Peak memory consumption was 472.9MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,058 INFO L158 Benchmark]: Witness Printer took 121.87ms. Allocated memory is still 981.5MB. Free memory was 413.1MB in the beginning and 407.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:36:58,059 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 130.0MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.52ms. Allocated memory is still 228.6MB. Free memory was 197.6MB in the beginning and 167.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.99ms. Allocated memory is still 228.6MB. Free memory was 167.2MB in the beginning and 163.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.16ms. Allocated memory is still 228.6MB. Free memory was 163.1MB in the beginning and 157.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 940.49ms. Allocated memory is still 228.6MB. Free memory was 157.8MB in the beginning and 133.1MB in the end (delta: 24.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13448.32ms. Allocated memory was 228.6MB in the beginning and 981.5MB in the end (delta: 752.9MB). Free memory was 132.0MB in the beginning and 413.1MB in the end (delta: -281.1MB). Peak memory consumption was 472.9MB. Max. memory is 16.1GB. * Witness Printer took 121.87ms. Allocated memory is still 981.5MB. Free memory was 413.1MB in the beginning and 407.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 874]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 59 locations, 8 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: 13.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 893 IncrementalHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 4 mSDtfsCounter, 893 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=7, InterpolantAutomatonStates: 41, 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, 1.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1129 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 19:36:58,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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