./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe023_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe023_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 b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:32:20,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:32:20,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-22 21:32:20,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:32:20,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:32:20,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:32:20,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:32:20,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:32:20,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:32:20,514 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:32:20,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:32:20,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:32:20,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:32:20,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:32:20,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:32:20,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:32:20,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:32:20,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:32:20,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:32:20,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:32:20,517 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:32:20,520 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:32:20,520 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:32:20,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:32:20,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:32:20,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:32:20,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:32:20,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:32:20,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:32:20,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:32:20,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:32:20,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:32:20,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:32:20,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:32:20,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:32:20,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:32:20,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca [2024-11-22 21:32:20,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:32:20,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:32:20,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:32:20,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:32:20,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:32:20,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe023_tso.i [2024-11-22 21:32:22,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:32:22,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:32:22,216 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_tso.i [2024-11-22 21:32:22,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecf98162/1105cb9b7f074ed3878b295eb04653bc/FLAGc0f96ab92 [2024-11-22 21:32:22,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecf98162/1105cb9b7f074ed3878b295eb04653bc [2024-11-22 21:32:22,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:32:22,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:32:22,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:32:22,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:32:22,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:32:22,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:32:22" (1/1) ... [2024-11-22 21:32:22,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2612db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:22, skipping insertion in model container [2024-11-22 21:32:22,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:32:22" (1/1) ... [2024-11-22 21:32:22,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:32:22,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:32:22,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:32:23,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:32:23,041 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:32:23,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23 WrapperNode [2024-11-22 21:32:23,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:32:23,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:32:23,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:32:23,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:32:23,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,084 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-22 21:32:23,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:32:23,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:32:23,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:32:23,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:32:23,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,099 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,117 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]. [2024-11-22 21:32:23,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:32:23,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:32:23,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:32:23,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:32:23,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (1/1) ... [2024-11-22 21:32:23,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:32:23,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:32:23,175 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) [2024-11-22 21:32:23,177 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 [2024-11-22 21:32:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 21:32:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:32:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 21:32:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 21:32:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 21:32:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 21:32:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-22 21:32:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-22 21:32:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:32:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 21:32:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:32:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:32:23,226 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 21:32:23,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:32:23,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:32:23,530 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:32:23,530 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:32:23,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:32:23,600 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 21:32:23,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:32:23 BoogieIcfgContainer [2024-11-22 21:32:23,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:32:23,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:32:23,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:32:23,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:32:23,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:32:22" (1/3) ... [2024-11-22 21:32:23,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2245836a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:32:23, skipping insertion in model container [2024-11-22 21:32:23,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:23" (2/3) ... [2024-11-22 21:32:23,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2245836a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:32:23, skipping insertion in model container [2024-11-22 21:32:23,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:32:23" (3/3) ... [2024-11-22 21:32:23,609 INFO L112 eAbstractionObserver]: Analyzing ICFG safe023_tso.i [2024-11-22 21:32:23,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:32:23,623 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 21:32:23,623 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:32:23,653 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 21:32:23,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-22 21:32:23,700 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-22 21:32:23,701 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:32:23,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-22 21:32:23,703 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-22 21:32:23,706 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2024-11-22 21:32:23,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:32:23,718 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;@5b989b0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:32:23,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-22 21:32:23,727 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:32:23,727 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2024-11-22 21:32:23,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:32:23,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:23,728 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:32:23,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:23,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:23,733 INFO L85 PathProgramCache]: Analyzing trace with hash 166983522, now seen corresponding path program 1 times [2024-11-22 21:32:23,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:23,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410055467] [2024-11-22 21:32:23,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:23,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:23,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:23,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410055467] [2024-11-22 21:32:23,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410055467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:23,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:23,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:32:23,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803536995] [2024-11-22 21:32:23,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:23,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:32:23,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:23,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:32:23,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:32:23,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 44 [2024-11-22 21:32:23,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2024-11-22 21:32:23,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:23,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 44 [2024-11-22 21:32:23,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:24,069 INFO L124 PetriNetUnfolderBase]: 75/220 cut-off events. [2024-11-22 21:32:24,070 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:32:24,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 220 events. 75/220 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1211 event pairs, 75 based on Foata normal form. 24/225 useless extension candidates. Maximal degree in co-relation 364. Up to 136 conditions per place. [2024-11-22 21:32:24,074 INFO L140 encePairwiseOnDemand]: 40/44 looper letters, 12 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-11-22 21:32:24,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 36 transitions, 109 flow [2024-11-22 21:32:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:32:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:32:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-11-22 21:32:24,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.696969696969697 [2024-11-22 21:32:24,086 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 92 transitions. [2024-11-22 21:32:24,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 36 transitions, 109 flow [2024-11-22 21:32:24,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 106 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 21:32:24,092 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-11-22 21:32:24,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-22 21:32:24,096 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2024-11-22 21:32:24,097 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-11-22 21:32:24,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2024-11-22 21:32:24,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:24,098 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:32:24,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:32:24,098 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:24,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:24,099 INFO L85 PathProgramCache]: Analyzing trace with hash 166985015, now seen corresponding path program 1 times [2024-11-22 21:32:24,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:24,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353226439] [2024-11-22 21:32:24,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:24,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:24,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:24,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353226439] [2024-11-22 21:32:24,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353226439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:24,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:24,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:32:24,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826587103] [2024-11-22 21:32:24,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:24,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:32:24,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:24,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:32:24,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:32:24,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-22 21:32:24,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-11-22 21:32:24,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:24,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-22 21:32:24,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:24,792 INFO L124 PetriNetUnfolderBase]: 1517/2767 cut-off events. [2024-11-22 21:32:24,792 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:32:24,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5153 conditions, 2767 events. 1517/2767 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 19841 event pairs, 364 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5147. Up to 795 conditions per place. [2024-11-22 21:32:24,810 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 27 selfloop transitions, 6 changer transitions 55/103 dead transitions. [2024-11-22 21:32:24,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 103 transitions, 392 flow [2024-11-22 21:32:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 21:32:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 21:32:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 261 transitions. [2024-11-22 21:32:24,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6590909090909091 [2024-11-22 21:32:24,816 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 9 states and 261 transitions. [2024-11-22 21:32:24,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 103 transitions, 392 flow [2024-11-22 21:32:24,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 103 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:32:24,818 INFO L231 Difference]: Finished difference. Result has 59 places, 39 transitions, 159 flow [2024-11-22 21:32:24,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=159, PETRI_PLACES=59, PETRI_TRANSITIONS=39} [2024-11-22 21:32:24,821 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2024-11-22 21:32:24,821 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 159 flow [2024-11-22 21:32:24,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-11-22 21:32:24,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:24,822 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:32:24,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 21:32:24,822 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:24,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:24,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1966580120, now seen corresponding path program 1 times [2024-11-22 21:32:24,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:24,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98029218] [2024-11-22 21:32:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:24,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:25,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:25,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98029218] [2024-11-22 21:32:25,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98029218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:25,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:25,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:32:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874439888] [2024-11-22 21:32:25,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:25,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:25,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:25,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-22 21:32:25,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 159 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 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) [2024-11-22 21:32:25,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:25,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-22 21:32:25,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:25,322 INFO L124 PetriNetUnfolderBase]: 854/1800 cut-off events. [2024-11-22 21:32:25,322 INFO L125 PetriNetUnfolderBase]: For 2688/2694 co-relation queries the response was YES. [2024-11-22 21:32:25,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4975 conditions, 1800 events. 854/1800 cut-off events. For 2688/2694 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 12956 event pairs, 182 based on Foata normal form. 69/1843 useless extension candidates. Maximal degree in co-relation 4960. Up to 355 conditions per place. [2024-11-22 21:32:25,330 INFO L140 encePairwiseOnDemand]: 36/44 looper letters, 39 selfloop transitions, 6 changer transitions 50/110 dead transitions. [2024-11-22 21:32:25,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 110 transitions, 715 flow [2024-11-22 21:32:25,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:32:25,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:32:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 273 transitions. [2024-11-22 21:32:25,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6204545454545455 [2024-11-22 21:32:25,333 INFO L175 Difference]: Start difference. First operand has 59 places, 39 transitions, 159 flow. Second operand 10 states and 273 transitions. [2024-11-22 21:32:25,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 110 transitions, 715 flow [2024-11-22 21:32:25,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 110 transitions, 619 flow, removed 23 selfloop flow, removed 4 redundant places. [2024-11-22 21:32:25,348 INFO L231 Difference]: Finished difference. Result has 66 places, 42 transitions, 203 flow [2024-11-22 21:32:25,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=203, PETRI_PLACES=66, PETRI_TRANSITIONS=42} [2024-11-22 21:32:25,350 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 18 predicate places. [2024-11-22 21:32:25,350 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 42 transitions, 203 flow [2024-11-22 21:32:25,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 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) [2024-11-22 21:32:25,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:25,351 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] [2024-11-22 21:32:25,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:32:25,351 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:25,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:25,353 INFO L85 PathProgramCache]: Analyzing trace with hash 183036724, now seen corresponding path program 1 times [2024-11-22 21:32:25,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:25,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694774837] [2024-11-22 21:32:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:25,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:25,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:25,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:25,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694774837] [2024-11-22 21:32:25,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694774837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:25,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:25,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:32:25,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442192189] [2024-11-22 21:32:25,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:25,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:25,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:25,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:25,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-22 21:32:25,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 42 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-11-22 21:32:25,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:25,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-22 21:32:25,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:25,706 INFO L124 PetriNetUnfolderBase]: 641/1326 cut-off events. [2024-11-22 21:32:25,706 INFO L125 PetriNetUnfolderBase]: For 2920/2920 co-relation queries the response was YES. [2024-11-22 21:32:25,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3952 conditions, 1326 events. 641/1326 cut-off events. For 2920/2920 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8962 event pairs, 141 based on Foata normal form. 16/1320 useless extension candidates. Maximal degree in co-relation 3930. Up to 402 conditions per place. [2024-11-22 21:32:25,713 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 34 selfloop transitions, 9 changer transitions 23/81 dead transitions. [2024-11-22 21:32:25,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 81 transitions, 527 flow [2024-11-22 21:32:25,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:32:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:32:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 252 transitions. [2024-11-22 21:32:25,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5727272727272728 [2024-11-22 21:32:25,715 INFO L175 Difference]: Start difference. First operand has 66 places, 42 transitions, 203 flow. Second operand 10 states and 252 transitions. [2024-11-22 21:32:25,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 81 transitions, 527 flow [2024-11-22 21:32:25,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 81 transitions, 456 flow, removed 33 selfloop flow, removed 3 redundant places. [2024-11-22 21:32:25,721 INFO L231 Difference]: Finished difference. Result has 75 places, 45 transitions, 257 flow [2024-11-22 21:32:25,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=257, PETRI_PLACES=75, PETRI_TRANSITIONS=45} [2024-11-22 21:32:25,722 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 27 predicate places. [2024-11-22 21:32:25,722 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 45 transitions, 257 flow [2024-11-22 21:32:25,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-11-22 21:32:25,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:25,723 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] [2024-11-22 21:32:25,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 21:32:25,723 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:25,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:25,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1768757270, now seen corresponding path program 1 times [2024-11-22 21:32:25,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:25,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775721361] [2024-11-22 21:32:25,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:25,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:25,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775721361] [2024-11-22 21:32:25,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775721361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:25,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:25,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:32:25,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503503811] [2024-11-22 21:32:25,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:25,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:25,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:25,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:25,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:25,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-22 21:32:25,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 45 transitions, 257 flow. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-11-22 21:32:25,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:25,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-22 21:32:25,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:26,081 INFO L124 PetriNetUnfolderBase]: 734/1595 cut-off events. [2024-11-22 21:32:26,082 INFO L125 PetriNetUnfolderBase]: For 3694/3694 co-relation queries the response was YES. [2024-11-22 21:32:26,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4881 conditions, 1595 events. 734/1595 cut-off events. For 3694/3694 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11476 event pairs, 136 based on Foata normal form. 38/1591 useless extension candidates. Maximal degree in co-relation 4851. Up to 423 conditions per place. [2024-11-22 21:32:26,091 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 38 selfloop transitions, 12 changer transitions 37/102 dead transitions. [2024-11-22 21:32:26,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 102 transitions, 753 flow [2024-11-22 21:32:26,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:32:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:32:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 267 transitions. [2024-11-22 21:32:26,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6068181818181818 [2024-11-22 21:32:26,092 INFO L175 Difference]: Start difference. First operand has 75 places, 45 transitions, 257 flow. Second operand 10 states and 267 transitions. [2024-11-22 21:32:26,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 102 transitions, 753 flow [2024-11-22 21:32:26,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 102 transitions, 655 flow, removed 46 selfloop flow, removed 13 redundant places. [2024-11-22 21:32:26,102 INFO L231 Difference]: Finished difference. Result has 74 places, 48 transitions, 329 flow [2024-11-22 21:32:26,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=329, PETRI_PLACES=74, PETRI_TRANSITIONS=48} [2024-11-22 21:32:26,104 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 26 predicate places. [2024-11-22 21:32:26,104 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 48 transitions, 329 flow [2024-11-22 21:32:26,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-11-22 21:32:26,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:26,105 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] [2024-11-22 21:32:26,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 21:32:26,105 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:26,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:26,106 INFO L85 PathProgramCache]: Analyzing trace with hash 211573145, now seen corresponding path program 1 times [2024-11-22 21:32:26,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:26,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376251871] [2024-11-22 21:32:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:26,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:26,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376251871] [2024-11-22 21:32:26,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376251871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:26,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:26,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:32:26,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033733813] [2024-11-22 21:32:26,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:26,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:26,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:26,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:26,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:26,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-22 21:32:26,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 48 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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) [2024-11-22 21:32:26,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:26,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-22 21:32:26,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:26,484 INFO L124 PetriNetUnfolderBase]: 668/1394 cut-off events. [2024-11-22 21:32:26,484 INFO L125 PetriNetUnfolderBase]: For 4333/4333 co-relation queries the response was YES. [2024-11-22 21:32:26,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 1394 events. 668/1394 cut-off events. For 4333/4333 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 9280 event pairs, 116 based on Foata normal form. 18/1391 useless extension candidates. Maximal degree in co-relation 4382. Up to 306 conditions per place. [2024-11-22 21:32:26,493 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 51 selfloop transitions, 12 changer transitions 28/105 dead transitions. [2024-11-22 21:32:26,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 105 transitions, 887 flow [2024-11-22 21:32:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 21:32:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 21:32:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 240 transitions. [2024-11-22 21:32:26,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2024-11-22 21:32:26,495 INFO L175 Difference]: Start difference. First operand has 74 places, 48 transitions, 329 flow. Second operand 9 states and 240 transitions. [2024-11-22 21:32:26,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 105 transitions, 887 flow [2024-11-22 21:32:26,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 105 transitions, 805 flow, removed 41 selfloop flow, removed 6 redundant places. [2024-11-22 21:32:26,504 INFO L231 Difference]: Finished difference. Result has 78 places, 51 transitions, 408 flow [2024-11-22 21:32:26,504 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=408, PETRI_PLACES=78, PETRI_TRANSITIONS=51} [2024-11-22 21:32:26,506 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 30 predicate places. [2024-11-22 21:32:26,506 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 51 transitions, 408 flow [2024-11-22 21:32:26,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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) [2024-11-22 21:32:26,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:26,507 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] [2024-11-22 21:32:26,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 21:32:26,507 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:26,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:26,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1836265869, now seen corresponding path program 2 times [2024-11-22 21:32:26,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:26,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98212987] [2024-11-22 21:32:26,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:32:26,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:26,516 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:32:26,516 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:32:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:26,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98212987] [2024-11-22 21:32:26,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98212987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:26,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:26,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:32:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866300451] [2024-11-22 21:32:26,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:26,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:26,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:26,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:26,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:26,608 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 44 [2024-11-22 21:32:26,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 51 transitions, 408 flow. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-11-22 21:32:26,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:26,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 44 [2024-11-22 21:32:26,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:26,774 INFO L124 PetriNetUnfolderBase]: 374/894 cut-off events. [2024-11-22 21:32:26,774 INFO L125 PetriNetUnfolderBase]: For 2299/2354 co-relation queries the response was YES. [2024-11-22 21:32:26,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2626 conditions, 894 events. 374/894 cut-off events. For 2299/2354 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 6103 event pairs, 53 based on Foata normal form. 48/885 useless extension candidates. Maximal degree in co-relation 2594. Up to 254 conditions per place. [2024-11-22 21:32:26,779 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 22 selfloop transitions, 5 changer transitions 32/80 dead transitions. [2024-11-22 21:32:26,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 80 transitions, 616 flow [2024-11-22 21:32:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:32:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:32:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 222 transitions. [2024-11-22 21:32:26,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6306818181818182 [2024-11-22 21:32:26,781 INFO L175 Difference]: Start difference. First operand has 78 places, 51 transitions, 408 flow. Second operand 8 states and 222 transitions. [2024-11-22 21:32:26,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 80 transitions, 616 flow [2024-11-22 21:32:26,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 80 transitions, 570 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-22 21:32:26,788 INFO L231 Difference]: Finished difference. Result has 79 places, 39 transitions, 250 flow [2024-11-22 21:32:26,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=250, PETRI_PLACES=79, PETRI_TRANSITIONS=39} [2024-11-22 21:32:26,788 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 31 predicate places. [2024-11-22 21:32:26,789 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 39 transitions, 250 flow [2024-11-22 21:32:26,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-11-22 21:32:26,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:26,789 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] [2024-11-22 21:32:26,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 21:32:26,789 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:26,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:26,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1147024848, now seen corresponding path program 1 times [2024-11-22 21:32:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:26,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165725850] [2024-11-22 21:32:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:26,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:26,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:26,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165725850] [2024-11-22 21:32:26,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165725850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:26,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:26,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:32:26,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365648667] [2024-11-22 21:32:26,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:26,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:26,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:26,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:26,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:26,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 44 [2024-11-22 21:32:26,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 39 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 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) [2024-11-22 21:32:26,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:26,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 44 [2024-11-22 21:32:26,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:27,031 INFO L124 PetriNetUnfolderBase]: 183/500 cut-off events. [2024-11-22 21:32:27,031 INFO L125 PetriNetUnfolderBase]: For 1356/1361 co-relation queries the response was YES. [2024-11-22 21:32:27,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1571 conditions, 500 events. 183/500 cut-off events. For 1356/1361 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2894 event pairs, 61 based on Foata normal form. 8/484 useless extension candidates. Maximal degree in co-relation 1539. Up to 152 conditions per place. [2024-11-22 21:32:27,034 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 21 selfloop transitions, 1 changer transitions 20/59 dead transitions. [2024-11-22 21:32:27,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 59 transitions, 390 flow [2024-11-22 21:32:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:32:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:32:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions. [2024-11-22 21:32:27,035 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-22 21:32:27,035 INFO L175 Difference]: Start difference. First operand has 79 places, 39 transitions, 250 flow. Second operand 6 states and 165 transitions. [2024-11-22 21:32:27,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 59 transitions, 390 flow [2024-11-22 21:32:27,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 59 transitions, 296 flow, removed 16 selfloop flow, removed 18 redundant places. [2024-11-22 21:32:27,039 INFO L231 Difference]: Finished difference. Result has 65 places, 34 transitions, 128 flow [2024-11-22 21:32:27,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=128, PETRI_PLACES=65, PETRI_TRANSITIONS=34} [2024-11-22 21:32:27,039 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 17 predicate places. [2024-11-22 21:32:27,041 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 34 transitions, 128 flow [2024-11-22 21:32:27,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 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) [2024-11-22 21:32:27,042 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:27,042 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] [2024-11-22 21:32:27,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 21:32:27,044 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:27,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:27,045 INFO L85 PathProgramCache]: Analyzing trace with hash 189492258, now seen corresponding path program 2 times [2024-11-22 21:32:27,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:27,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887776881] [2024-11-22 21:32:27,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:32:27,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:27,058 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:32:27,058 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:32:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:27,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:27,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887776881] [2024-11-22 21:32:27,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887776881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:27,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:27,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:32:27,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872354254] [2024-11-22 21:32:27,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:27,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:32:27,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:27,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:32:27,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:32:27,140 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 44 [2024-11-22 21:32:27,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 34 transitions, 128 flow. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-11-22 21:32:27,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:27,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 44 [2024-11-22 21:32:27,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:27,224 INFO L124 PetriNetUnfolderBase]: 352/685 cut-off events. [2024-11-22 21:32:27,224 INFO L125 PetriNetUnfolderBase]: For 133/141 co-relation queries the response was YES. [2024-11-22 21:32:27,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1439 conditions, 685 events. 352/685 cut-off events. For 133/141 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3515 event pairs, 90 based on Foata normal form. 27/680 useless extension candidates. Maximal degree in co-relation 1421. Up to 331 conditions per place. [2024-11-22 21:32:27,227 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 24 selfloop transitions, 4 changer transitions 4/49 dead transitions. [2024-11-22 21:32:27,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 49 transitions, 226 flow [2024-11-22 21:32:27,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:32:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 21:32:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2024-11-22 21:32:27,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6931818181818182 [2024-11-22 21:32:27,228 INFO L175 Difference]: Start difference. First operand has 65 places, 34 transitions, 128 flow. Second operand 4 states and 122 transitions. [2024-11-22 21:32:27,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 49 transitions, 226 flow [2024-11-22 21:32:27,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 49 transitions, 192 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-22 21:32:27,230 INFO L231 Difference]: Finished difference. Result has 55 places, 36 transitions, 122 flow [2024-11-22 21:32:27,230 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=122, PETRI_PLACES=55, PETRI_TRANSITIONS=36} [2024-11-22 21:32:27,230 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2024-11-22 21:32:27,230 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 36 transitions, 122 flow [2024-11-22 21:32:27,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-11-22 21:32:27,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:27,231 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] [2024-11-22 21:32:27,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 21:32:27,231 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:27,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:27,231 INFO L85 PathProgramCache]: Analyzing trace with hash -675680255, now seen corresponding path program 1 times [2024-11-22 21:32:27,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:27,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856728439] [2024-11-22 21:32:27,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:27,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:27,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:27,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856728439] [2024-11-22 21:32:27,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856728439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:27,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:27,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:32:27,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714181531] [2024-11-22 21:32:27,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:27,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:32:27,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:32:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:32:27,293 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 44 [2024-11-22 21:32:27,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 36 transitions, 122 flow. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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) [2024-11-22 21:32:27,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:27,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 44 [2024-11-22 21:32:27,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:27,357 INFO L124 PetriNetUnfolderBase]: 246/486 cut-off events. [2024-11-22 21:32:27,357 INFO L125 PetriNetUnfolderBase]: For 167/216 co-relation queries the response was YES. [2024-11-22 21:32:27,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 486 events. 246/486 cut-off events. For 167/216 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2123 event pairs, 30 based on Foata normal form. 27/491 useless extension candidates. Maximal degree in co-relation 1168. Up to 193 conditions per place. [2024-11-22 21:32:27,359 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 25 selfloop transitions, 6 changer transitions 8/56 dead transitions. [2024-11-22 21:32:27,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 56 transitions, 261 flow [2024-11-22 21:32:27,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:32:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:32:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 151 transitions. [2024-11-22 21:32:27,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6863636363636364 [2024-11-22 21:32:27,360 INFO L175 Difference]: Start difference. First operand has 55 places, 36 transitions, 122 flow. Second operand 5 states and 151 transitions. [2024-11-22 21:32:27,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 56 transitions, 261 flow [2024-11-22 21:32:27,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 56 transitions, 252 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-22 21:32:27,361 INFO L231 Difference]: Finished difference. Result has 59 places, 36 transitions, 140 flow [2024-11-22 21:32:27,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=140, PETRI_PLACES=59, PETRI_TRANSITIONS=36} [2024-11-22 21:32:27,362 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2024-11-22 21:32:27,362 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 36 transitions, 140 flow [2024-11-22 21:32:27,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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) [2024-11-22 21:32:27,362 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:32:27,363 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:32:27,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 21:32:27,363 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:32:27,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:32:27,363 INFO L85 PathProgramCache]: Analyzing trace with hash 97796008, now seen corresponding path program 1 times [2024-11-22 21:32:27,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:32:27,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866829] [2024-11-22 21:32:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:32:27,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:32:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:32:27,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:32:27,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:32:27,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866829] [2024-11-22 21:32:27,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:32:27,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:32:27,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:32:27,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056937594] [2024-11-22 21:32:27,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:32:27,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:32:27,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:32:27,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:32:27,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:32:27,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 44 [2024-11-22 21:32:27,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 36 transitions, 140 flow. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 6 states have internal predecessors, (145), 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) [2024-11-22 21:32:27,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:32:27,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 44 [2024-11-22 21:32:27,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:32:27,501 INFO L124 PetriNetUnfolderBase]: 104/212 cut-off events. [2024-11-22 21:32:27,502 INFO L125 PetriNetUnfolderBase]: For 230/283 co-relation queries the response was YES. [2024-11-22 21:32:27,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 212 events. 104/212 cut-off events. For 230/283 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 662 event pairs, 2 based on Foata normal form. 16/218 useless extension candidates. Maximal degree in co-relation 586. Up to 56 conditions per place. [2024-11-22 21:32:27,502 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-22 21:32:27,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 48 transitions, 238 flow [2024-11-22 21:32:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:32:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:32:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 168 transitions. [2024-11-22 21:32:27,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2024-11-22 21:32:27,503 INFO L175 Difference]: Start difference. First operand has 59 places, 36 transitions, 140 flow. Second operand 6 states and 168 transitions. [2024-11-22 21:32:27,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 48 transitions, 238 flow [2024-11-22 21:32:27,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 213 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-22 21:32:27,504 INFO L231 Difference]: Finished difference. Result has 53 places, 0 transitions, 0 flow [2024-11-22 21:32:27,504 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=53, PETRI_TRANSITIONS=0} [2024-11-22 21:32:27,505 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2024-11-22 21:32:27,505 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 0 transitions, 0 flow [2024-11-22 21:32:27,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 6 states have internal predecessors, (145), 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) [2024-11-22 21:32:27,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-22 21:32:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-22 21:32:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-22 21:32:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-22 21:32:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-22 21:32:27,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 21:32:27,509 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:32:27,511 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 21:32:27,511 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:32:27,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:32:27 BasicIcfg [2024-11-22 21:32:27,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:32:27,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:32:27,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:32:27,516 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:32:27,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:32:23" (3/4) ... [2024-11-22 21:32:27,521 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 21:32:27,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-22 21:32:27,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-22 21:32:27,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-22 21:32:27,526 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-22 21:32:27,526 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-22 21:32:27,526 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 21:32:27,527 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 21:32:27,589 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 21:32:27,589 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 21:32:27,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:32:27,590 INFO L158 Benchmark]: Toolchain (without parser) took 5000.29ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 136.4MB in the beginning and 114.4MB in the end (delta: 21.9MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,590 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:32:27,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.71ms. Allocated memory is still 172.0MB. Free memory was 136.4MB in the beginning and 112.4MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.71ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,590 INFO L158 Benchmark]: Boogie Preprocessor took 50.27ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,591 INFO L158 Benchmark]: RCFGBuilder took 464.25ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 130.4MB in the end (delta: -22.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,591 INFO L158 Benchmark]: TraceAbstraction took 3912.28ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 130.4MB in the beginning and 118.6MB in the end (delta: 11.7MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,591 INFO L158 Benchmark]: Witness Printer took 73.84ms. Allocated memory is still 249.6MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 21:32:27,592 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 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.71ms. Allocated memory is still 172.0MB. Free memory was 136.4MB in the beginning and 112.4MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.71ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.27ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.25ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 130.4MB in the end (delta: -22.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3912.28ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 130.4MB in the beginning and 118.6MB in the end (delta: 11.7MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Witness Printer took 73.84ms. Allocated memory is still 249.6MB. Free memory was 118.6MB in the beginning and 114.4MB 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: 778]: 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 7 procedures, 68 locations, 5 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: 3.8s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 461 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 415 mSDsluCounter, 201 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 60 mSDtfsCounter, 979 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=6, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 21:32:27,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE