./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.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/safe035_power.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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:33:28,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:33:28,426 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-22 21:33:28,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:33:28,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:33:28,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:33:28,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:33:28,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:33:28,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:33:28,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:33:28,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:33:28,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:33:28,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:33:28,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:33:28,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:33:28,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:33:28,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:33:28,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:33:28,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:33:28,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:33:28,475 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:33:28,476 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:33:28,476 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:33:28,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:33:28,485 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:33:28,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:33:28,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:33:28,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:33:28,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:33:28,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:33:28,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:33:28,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:33:28,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:33:28,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:33:28,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:33:28,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:33:28,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:33:28,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:33:28,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:33:28,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:33:28,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:33:28,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:33:28,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-11-22 21:33:28,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:33:28,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:33:28,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:33:28,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:33:28,774 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:33:28,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-22 21:33:30,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:33:30,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:33:30,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-22 21:33:30,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee84ff1ac/ce88016b8d2c492db6304634f082ee24/FLAG4b0f8d0ae [2024-11-22 21:33:30,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee84ff1ac/ce88016b8d2c492db6304634f082ee24 [2024-11-22 21:33:30,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:33:30,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:33:30,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:33:30,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:33:30,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:33:30,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:33:30" (1/1) ... [2024-11-22 21:33:30,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc99a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:30, skipping insertion in model container [2024-11-22 21:33:30,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:33:30" (1/1) ... [2024-11-22 21:33:30,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:33:31,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:33:31,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:33:31,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:33:31,147 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:33:31,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31 WrapperNode [2024-11-22 21:33:31,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:33:31,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:33:31,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:33:31,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:33:31,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,240 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-11-22 21:33:31,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:33:31,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:33:31,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:33:31,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:33:31,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,293 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 21:33:31,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:33:31,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:33:31,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:33:31,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:33:31,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (1/1) ... [2024-11-22 21:33:31,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:33:31,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:33:31,363 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 21:33:31,367 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 21:33:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 21:33:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:33:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 21:33:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 21:33:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 21:33:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 21:33:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-22 21:33:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-22 21:33:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:33:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 21:33:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:33:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:33:31,425 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 21:33:31,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:33:31,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:33:32,081 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:33:32,081 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:33:32,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:33:32,378 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 21:33:32,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:33:32 BoogieIcfgContainer [2024-11-22 21:33:32,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:33:32,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:33:32,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:33:32,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:33:32,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:33:30" (1/3) ... [2024-11-22 21:33:32,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59701dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:33:32, skipping insertion in model container [2024-11-22 21:33:32,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:33:31" (2/3) ... [2024-11-22 21:33:32,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59701dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:33:32, skipping insertion in model container [2024-11-22 21:33:32,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:33:32" (3/3) ... [2024-11-22 21:33:32,390 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-11-22 21:33:32,406 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:33:32,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 21:33:32,407 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:33:32,470 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 21:33:32,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-11-22 21:33:32,540 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-11-22 21:33:32,541 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:33:32,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-11-22 21:33:32,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-11-22 21:33:32,549 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-11-22 21:33:32,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:33:32,572 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;@2854554b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:33:32,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 21:33:32,582 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:33:32,584 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-22 21:33:32,584 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:33:32,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:32,585 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:33:32,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:32,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:32,592 INFO L85 PathProgramCache]: Analyzing trace with hash 807765749, now seen corresponding path program 1 times [2024-11-22 21:33:32,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:32,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295787923] [2024-11-22 21:33:32,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:32,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:33,125 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 21:33:33,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:33,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295787923] [2024-11-22 21:33:33,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295787923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:33,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:33,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:33:33,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134432177] [2024-11-22 21:33:33,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:33,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:33:33,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:33,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:33:33,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:33:33,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-11-22 21:33:33,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 21:33:33,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:33,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-11-22 21:33:33,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:34,131 INFO L124 PetriNetUnfolderBase]: 2523/3960 cut-off events. [2024-11-22 21:33:34,131 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-22 21:33:34,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 3960 events. 2523/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 25048 event pairs, 328 based on Foata normal form. 240/4184 useless extension candidates. Maximal degree in co-relation 7656. Up to 3096 conditions per place. [2024-11-22 21:33:34,159 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 37 selfloop transitions, 2 changer transitions 2/55 dead transitions. [2024-11-22 21:33:34,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 55 transitions, 201 flow [2024-11-22 21:33:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:33:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:33:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-11-22 21:33:34,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6879432624113475 [2024-11-22 21:33:34,173 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 97 transitions. [2024-11-22 21:33:34,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 55 transitions, 201 flow [2024-11-22 21:33:34,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 21:33:34,181 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 88 flow [2024-11-22 21:33:34,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-11-22 21:33:34,188 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-11-22 21:33:34,190 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 88 flow [2024-11-22 21:33:34,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 21:33:34,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:34,190 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:33:34,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:33:34,191 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:34,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:34,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1292564532, now seen corresponding path program 1 times [2024-11-22 21:33:34,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:34,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598382605] [2024-11-22 21:33:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:34,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:34,282 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 21:33:34,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:34,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598382605] [2024-11-22 21:33:34,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598382605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:34,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:34,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:33:34,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891751416] [2024-11-22 21:33:34,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:34,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:33:34,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:34,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:33:34,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:33:34,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-11-22 21:33:34,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 21:33:34,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:34,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-11-22 21:33:34,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:35,002 INFO L124 PetriNetUnfolderBase]: 2237/3766 cut-off events. [2024-11-22 21:33:35,003 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-11-22 21:33:35,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7226 conditions, 3766 events. 2237/3766 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 24897 event pairs, 2237 based on Foata normal form. 120/3830 useless extension candidates. Maximal degree in co-relation 7216. Up to 3246 conditions per place. [2024-11-22 21:33:35,022 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 23 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-11-22 21:33:35,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 136 flow [2024-11-22 21:33:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:33:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:33:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-11-22 21:33:35,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2024-11-22 21:33:35,024 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 88 flow. Second operand 3 states and 74 transitions. [2024-11-22 21:33:35,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 136 flow [2024-11-22 21:33:35,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 21:33:35,028 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-11-22 21:33:35,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-22 21:33:35,030 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-11-22 21:33:35,030 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-11-22 21:33:35,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 21:33:35,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:35,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:33:35,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 21:33:35,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:35,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:35,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1292563015, now seen corresponding path program 1 times [2024-11-22 21:33:35,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:35,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829930418] [2024-11-22 21:33:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:35,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:35,323 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 21:33:35,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:35,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829930418] [2024-11-22 21:33:35,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829930418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:35,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:35,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:33:35,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320923014] [2024-11-22 21:33:35,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:35,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:33:35,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:35,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:33:35,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:33:35,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-11-22 21:33:35,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 21:33:35,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:35,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-11-22 21:33:35,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:36,291 INFO L124 PetriNetUnfolderBase]: 2423/3892 cut-off events. [2024-11-22 21:33:36,291 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:33:36,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7498 conditions, 3892 events. 2423/3892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 24907 event pairs, 661 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 7492. Up to 1372 conditions per place. [2024-11-22 21:33:36,312 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 32 selfloop transitions, 2 changer transitions 53/99 dead transitions. [2024-11-22 21:33:36,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 99 transitions, 380 flow [2024-11-22 21:33:36,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:33:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:33:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2024-11-22 21:33:36,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5771276595744681 [2024-11-22 21:33:36,315 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 8 states and 217 transitions. [2024-11-22 21:33:36,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 99 transitions, 380 flow [2024-11-22 21:33:36,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 99 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:33:36,318 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 95 flow [2024-11-22 21:33:36,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=95, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-11-22 21:33:36,319 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-11-22 21:33:36,319 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 95 flow [2024-11-22 21:33:36,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 21:33:36,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:36,320 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:33:36,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:33:36,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:36,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:36,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1422718442, now seen corresponding path program 1 times [2024-11-22 21:33:36,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:36,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801785257] [2024-11-22 21:33:36,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:37,712 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 21:33:37,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:37,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801785257] [2024-11-22 21:33:37,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801785257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:37,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:37,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 21:33:37,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500555930] [2024-11-22 21:33:37,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:37,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 21:33:37,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:37,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 21:33:37,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:33:37,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:33:37,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 95 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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 21:33:37,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:37,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:33:37,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:38,844 INFO L124 PetriNetUnfolderBase]: 2862/4608 cut-off events. [2024-11-22 21:33:38,844 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2024-11-22 21:33:38,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 4608 events. 2862/4608 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 28473 event pairs, 299 based on Foata normal form. 75/4665 useless extension candidates. Maximal degree in co-relation 9793. Up to 2719 conditions per place. [2024-11-22 21:33:38,876 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 49 selfloop transitions, 23 changer transitions 22/105 dead transitions. [2024-11-22 21:33:38,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 105 transitions, 430 flow [2024-11-22 21:33:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:33:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:33:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 215 transitions. [2024-11-22 21:33:38,878 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5718085106382979 [2024-11-22 21:33:38,878 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 95 flow. Second operand 8 states and 215 transitions. [2024-11-22 21:33:38,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 105 transitions, 430 flow [2024-11-22 21:33:38,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 105 transitions, 412 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-22 21:33:38,913 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 244 flow [2024-11-22 21:33:38,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=244, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-22 21:33:38,914 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-11-22 21:33:38,914 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 244 flow [2024-11-22 21:33:38,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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 21:33:38,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:38,915 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:33:38,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 21:33:38,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:38,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:38,916 INFO L85 PathProgramCache]: Analyzing trace with hash -493432102, now seen corresponding path program 2 times [2024-11-22 21:33:38,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:38,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866233247] [2024-11-22 21:33:38,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:33:38,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:38,973 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:33:38,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:33:40,946 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 21:33:40,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:40,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866233247] [2024-11-22 21:33:40,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866233247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:40,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:40,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 21:33:40,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760732696] [2024-11-22 21:33:40,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:40,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 21:33:40,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:40,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 21:33:40,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:33:40,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:33:40,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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 21:33:40,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:40,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:33:40,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:42,349 INFO L124 PetriNetUnfolderBase]: 3224/5191 cut-off events. [2024-11-22 21:33:42,349 INFO L125 PetriNetUnfolderBase]: For 2104/2114 co-relation queries the response was YES. [2024-11-22 21:33:42,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14699 conditions, 5191 events. 3224/5191 cut-off events. For 2104/2114 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 32368 event pairs, 320 based on Foata normal form. 75/5248 useless extension candidates. Maximal degree in co-relation 14686. Up to 2967 conditions per place. [2024-11-22 21:33:42,380 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 60 selfloop transitions, 44 changer transitions 22/137 dead transitions. [2024-11-22 21:33:42,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 137 transitions, 780 flow [2024-11-22 21:33:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 21:33:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 21:33:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-11-22 21:33:42,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5697399527186762 [2024-11-22 21:33:42,383 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 244 flow. Second operand 9 states and 241 transitions. [2024-11-22 21:33:42,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 137 transitions, 780 flow [2024-11-22 21:33:42,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 137 transitions, 774 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-22 21:33:42,394 INFO L231 Difference]: Finished difference. Result has 66 places, 91 transitions, 557 flow [2024-11-22 21:33:42,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=557, PETRI_PLACES=66, PETRI_TRANSITIONS=91} [2024-11-22 21:33:42,395 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2024-11-22 21:33:42,395 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 91 transitions, 557 flow [2024-11-22 21:33:42,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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 21:33:42,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:42,396 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] [2024-11-22 21:33:42,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 21:33:42,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:42,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:42,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1077433384, now seen corresponding path program 1 times [2024-11-22 21:33:42,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:42,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091801631] [2024-11-22 21:33:42,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:42,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:43,327 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 21:33:43,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:43,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091801631] [2024-11-22 21:33:43,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091801631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:43,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:43,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 21:33:43,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051975133] [2024-11-22 21:33:43,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:43,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 21:33:43,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:43,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 21:33:43,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:33:43,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:33:43,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 91 transitions, 557 flow. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 21:33:43,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:43,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:33:43,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:44,714 INFO L124 PetriNetUnfolderBase]: 4360/6972 cut-off events. [2024-11-22 21:33:44,714 INFO L125 PetriNetUnfolderBase]: For 8299/8309 co-relation queries the response was YES. [2024-11-22 21:33:44,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24961 conditions, 6972 events. 4360/6972 cut-off events. For 8299/8309 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 46017 event pairs, 394 based on Foata normal form. 129/7083 useless extension candidates. Maximal degree in co-relation 24943. Up to 3183 conditions per place. [2024-11-22 21:33:44,815 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 107 selfloop transitions, 33 changer transitions 46/197 dead transitions. [2024-11-22 21:33:44,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 197 transitions, 1514 flow [2024-11-22 21:33:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 21:33:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-22 21:33:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 294 transitions. [2024-11-22 21:33:44,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5686653771760155 [2024-11-22 21:33:44,818 INFO L175 Difference]: Start difference. First operand has 66 places, 91 transitions, 557 flow. Second operand 11 states and 294 transitions. [2024-11-22 21:33:44,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 197 transitions, 1514 flow [2024-11-22 21:33:44,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 197 transitions, 1417 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-22 21:33:44,862 INFO L231 Difference]: Finished difference. Result has 77 places, 118 transitions, 878 flow [2024-11-22 21:33:44,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=878, PETRI_PLACES=77, PETRI_TRANSITIONS=118} [2024-11-22 21:33:44,864 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 25 predicate places. [2024-11-22 21:33:44,865 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 118 transitions, 878 flow [2024-11-22 21:33:44,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 21:33:44,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:44,865 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] [2024-11-22 21:33:44,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 21:33:44,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:44,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash -434974154, now seen corresponding path program 2 times [2024-11-22 21:33:44,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:44,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889122810] [2024-11-22 21:33:44,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:33:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:44,926 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:33:44,926 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:33:46,461 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 21:33:46,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889122810] [2024-11-22 21:33:46,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889122810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:46,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:46,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 21:33:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782039827] [2024-11-22 21:33:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:46,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 21:33:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 21:33:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:33:46,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:33:46,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 118 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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 21:33:46,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:46,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:33:46,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:47,740 INFO L124 PetriNetUnfolderBase]: 4283/6888 cut-off events. [2024-11-22 21:33:47,740 INFO L125 PetriNetUnfolderBase]: For 14688/14688 co-relation queries the response was YES. [2024-11-22 21:33:47,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27465 conditions, 6888 events. 4283/6888 cut-off events. For 14688/14688 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 45840 event pairs, 982 based on Foata normal form. 70/6934 useless extension candidates. Maximal degree in co-relation 27441. Up to 5544 conditions per place. [2024-11-22 21:33:47,786 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 147 selfloop transitions, 16 changer transitions 35/209 dead transitions. [2024-11-22 21:33:47,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 209 transitions, 1910 flow [2024-11-22 21:33:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:33:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:33:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 204 transitions. [2024-11-22 21:33:47,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-11-22 21:33:47,788 INFO L175 Difference]: Start difference. First operand has 77 places, 118 transitions, 878 flow. Second operand 8 states and 204 transitions. [2024-11-22 21:33:47,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 209 transitions, 1910 flow [2024-11-22 21:33:47,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 209 transitions, 1864 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-11-22 21:33:47,837 INFO L231 Difference]: Finished difference. Result has 82 places, 133 transitions, 1078 flow [2024-11-22 21:33:47,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1078, PETRI_PLACES=82, PETRI_TRANSITIONS=133} [2024-11-22 21:33:47,838 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 30 predicate places. [2024-11-22 21:33:47,838 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 133 transitions, 1078 flow [2024-11-22 21:33:47,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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 21:33:47,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:47,839 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 21:33:47,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 21:33:47,839 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:47,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:47,840 INFO L85 PathProgramCache]: Analyzing trace with hash -735675559, now seen corresponding path program 1 times [2024-11-22 21:33:47,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:47,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945218981] [2024-11-22 21:33:47,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:47,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:48,906 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 21:33:48,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:48,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945218981] [2024-11-22 21:33:48,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945218981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:48,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:48,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 21:33:48,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353142995] [2024-11-22 21:33:48,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:48,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 21:33:48,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:48,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 21:33:48,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:33:48,917 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:33:48,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 133 transitions, 1078 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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 21:33:48,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:48,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:33:48,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:50,602 INFO L124 PetriNetUnfolderBase]: 6419/10453 cut-off events. [2024-11-22 21:33:50,603 INFO L125 PetriNetUnfolderBase]: For 27826/27830 co-relation queries the response was YES. [2024-11-22 21:33:50,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40711 conditions, 10453 events. 6419/10453 cut-off events. For 27826/27830 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 75745 event pairs, 1785 based on Foata normal form. 66/10508 useless extension candidates. Maximal degree in co-relation 40683. Up to 4629 conditions per place. [2024-11-22 21:33:50,671 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 117 selfloop transitions, 52 changer transitions 58/238 dead transitions. [2024-11-22 21:33:50,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 238 transitions, 2111 flow [2024-11-22 21:33:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 21:33:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-22 21:33:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 310 transitions. [2024-11-22 21:33:50,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.549645390070922 [2024-11-22 21:33:50,673 INFO L175 Difference]: Start difference. First operand has 82 places, 133 transitions, 1078 flow. Second operand 12 states and 310 transitions. [2024-11-22 21:33:50,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 238 transitions, 2111 flow [2024-11-22 21:33:50,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 2049 flow, removed 31 selfloop flow, removed 4 redundant places. [2024-11-22 21:33:50,761 INFO L231 Difference]: Finished difference. Result has 93 places, 143 transitions, 1345 flow [2024-11-22 21:33:50,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1345, PETRI_PLACES=93, PETRI_TRANSITIONS=143} [2024-11-22 21:33:50,762 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 41 predicate places. [2024-11-22 21:33:50,763 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 143 transitions, 1345 flow [2024-11-22 21:33:50,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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 21:33:50,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:50,766 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 21:33:50,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 21:33:50,767 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:50,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:50,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1300750051, now seen corresponding path program 2 times [2024-11-22 21:33:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:50,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74997664] [2024-11-22 21:33:50,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:33:50,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:50,824 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:33:50,824 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:33:50,950 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 21:33:50,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:50,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74997664] [2024-11-22 21:33:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74997664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:50,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:50,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:33:50,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272816790] [2024-11-22 21:33:50,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:50,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:33:50,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:50,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:33:50,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:33:50,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-11-22 21:33:50,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 143 transitions, 1345 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 21:33:50,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:50,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-11-22 21:33:50,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:52,981 INFO L124 PetriNetUnfolderBase]: 9948/15419 cut-off events. [2024-11-22 21:33:52,981 INFO L125 PetriNetUnfolderBase]: For 77011/77309 co-relation queries the response was YES. [2024-11-22 21:33:53,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64782 conditions, 15419 events. 9948/15419 cut-off events. For 77011/77309 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 103758 event pairs, 1088 based on Foata normal form. 917/16280 useless extension candidates. Maximal degree in co-relation 64748. Up to 7730 conditions per place. [2024-11-22 21:33:53,232 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 201 selfloop transitions, 5 changer transitions 6/239 dead transitions. [2024-11-22 21:33:53,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 239 transitions, 2572 flow [2024-11-22 21:33:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:33:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 21:33:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-11-22 21:33:53,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-11-22 21:33:53,235 INFO L175 Difference]: Start difference. First operand has 93 places, 143 transitions, 1345 flow. Second operand 4 states and 115 transitions. [2024-11-22 21:33:53,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 239 transitions, 2572 flow [2024-11-22 21:33:53,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 239 transitions, 2493 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-22 21:33:53,430 INFO L231 Difference]: Finished difference. Result has 86 places, 138 transitions, 1229 flow [2024-11-22 21:33:53,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1229, PETRI_PLACES=86, PETRI_TRANSITIONS=138} [2024-11-22 21:33:53,431 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2024-11-22 21:33:53,432 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 138 transitions, 1229 flow [2024-11-22 21:33:53,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 21:33:53,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:53,432 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 21:33:53,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 21:33:53,433 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:53,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:53,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1636569368, now seen corresponding path program 1 times [2024-11-22 21:33:53,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:53,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116691109] [2024-11-22 21:33:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:53,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:53,649 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 21:33:53,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:53,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116691109] [2024-11-22 21:33:53,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116691109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:53,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:53,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:33:53,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617827749] [2024-11-22 21:33:53,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:53,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:33:53,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:53,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:33:53,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:33:53,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-11-22 21:33:53,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 138 transitions, 1229 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 21:33:53,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:53,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-11-22 21:33:53,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:55,023 INFO L124 PetriNetUnfolderBase]: 7215/11376 cut-off events. [2024-11-22 21:33:55,023 INFO L125 PetriNetUnfolderBase]: For 44695/44909 co-relation queries the response was YES. [2024-11-22 21:33:55,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47684 conditions, 11376 events. 7215/11376 cut-off events. For 44695/44909 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 74697 event pairs, 818 based on Foata normal form. 662/12006 useless extension candidates. Maximal degree in co-relation 47651. Up to 4065 conditions per place. [2024-11-22 21:33:55,083 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 163 selfloop transitions, 8 changer transitions 9/202 dead transitions. [2024-11-22 21:33:55,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 202 transitions, 2063 flow [2024-11-22 21:33:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:33:55,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:33:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 147 transitions. [2024-11-22 21:33:55,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.625531914893617 [2024-11-22 21:33:55,085 INFO L175 Difference]: Start difference. First operand has 86 places, 138 transitions, 1229 flow. Second operand 5 states and 147 transitions. [2024-11-22 21:33:55,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 202 transitions, 2063 flow [2024-11-22 21:33:55,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 202 transitions, 2060 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:33:55,179 INFO L231 Difference]: Finished difference. Result has 91 places, 108 transitions, 957 flow [2024-11-22 21:33:55,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=957, PETRI_PLACES=91, PETRI_TRANSITIONS=108} [2024-11-22 21:33:55,180 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 39 predicate places. [2024-11-22 21:33:55,182 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 957 flow [2024-11-22 21:33:55,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 21:33:55,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:55,183 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] [2024-11-22 21:33:55,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 21:33:55,183 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:55,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:55,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1705949052, now seen corresponding path program 1 times [2024-11-22 21:33:55,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:55,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157963273] [2024-11-22 21:33:55,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:33:55,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:33:57,350 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 21:33:57,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:33:57,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157963273] [2024-11-22 21:33:57,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157963273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:33:57,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:33:57,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-22 21:33:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781446795] [2024-11-22 21:33:57,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:33:57,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 21:33:57,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:33:57,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 21:33:57,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 21:33:57,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:33:57,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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 21:33:57,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:33:57,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:33:57,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:33:59,107 INFO L124 PetriNetUnfolderBase]: 6166/11210 cut-off events. [2024-11-22 21:33:59,107 INFO L125 PetriNetUnfolderBase]: For 46111/47787 co-relation queries the response was YES. [2024-11-22 21:33:59,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47547 conditions, 11210 events. 6166/11210 cut-off events. For 46111/47787 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 91312 event pairs, 1055 based on Foata normal form. 349/10907 useless extension candidates. Maximal degree in co-relation 47511. Up to 4942 conditions per place. [2024-11-22 21:33:59,172 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 83 selfloop transitions, 41 changer transitions 45/188 dead transitions. [2024-11-22 21:33:59,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 188 transitions, 2042 flow [2024-11-22 21:33:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:33:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:33:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-11-22 21:33:59,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5234042553191489 [2024-11-22 21:33:59,174 INFO L175 Difference]: Start difference. First operand has 91 places, 108 transitions, 957 flow. Second operand 10 states and 246 transitions. [2024-11-22 21:33:59,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 188 transitions, 2042 flow [2024-11-22 21:33:59,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 188 transitions, 2030 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-22 21:33:59,247 INFO L231 Difference]: Finished difference. Result has 104 places, 119 transitions, 1305 flow [2024-11-22 21:33:59,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1305, PETRI_PLACES=104, PETRI_TRANSITIONS=119} [2024-11-22 21:33:59,248 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-11-22 21:33:59,248 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 119 transitions, 1305 flow [2024-11-22 21:33:59,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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 21:33:59,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:33:59,248 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] [2024-11-22 21:33:59,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 21:33:59,248 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:33:59,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:33:59,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1291562878, now seen corresponding path program 2 times [2024-11-22 21:33:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:33:59,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094825516] [2024-11-22 21:33:59,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:33:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:33:59,312 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:33:59,312 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:34:01,425 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 21:34:01,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:34:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094825516] [2024-11-22 21:34:01,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094825516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:34:01,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:34:01,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-22 21:34:01,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108127085] [2024-11-22 21:34:01,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:34:01,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 21:34:01,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:34:01,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 21:34:01,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-22 21:34:01,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:34:01,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 119 transitions, 1305 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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 21:34:01,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:34:01,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:34:01,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:34:03,939 INFO L124 PetriNetUnfolderBase]: 9097/16587 cut-off events. [2024-11-22 21:34:03,939 INFO L125 PetriNetUnfolderBase]: For 81460/83523 co-relation queries the response was YES. [2024-11-22 21:34:04,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73635 conditions, 16587 events. 9097/16587 cut-off events. For 81460/83523 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 147671 event pairs, 3206 based on Foata normal form. 501/15883 useless extension candidates. Maximal degree in co-relation 73593. Up to 7163 conditions per place. [2024-11-22 21:34:04,044 INFO L140 encePairwiseOnDemand]: 36/47 looper letters, 116 selfloop transitions, 45 changer transitions 58/238 dead transitions. [2024-11-22 21:34:04,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 238 transitions, 2848 flow [2024-11-22 21:34:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 21:34:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-22 21:34:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 282 transitions. [2024-11-22 21:34:04,046 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-11-22 21:34:04,046 INFO L175 Difference]: Start difference. First operand has 104 places, 119 transitions, 1305 flow. Second operand 11 states and 282 transitions. [2024-11-22 21:34:04,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 238 transitions, 2848 flow [2024-11-22 21:34:04,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 238 transitions, 2573 flow, removed 84 selfloop flow, removed 12 redundant places. [2024-11-22 21:34:04,278 INFO L231 Difference]: Finished difference. Result has 105 places, 134 transitions, 1472 flow [2024-11-22 21:34:04,278 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=105, PETRI_TRANSITIONS=134} [2024-11-22 21:34:04,278 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-11-22 21:34:04,279 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 134 transitions, 1472 flow [2024-11-22 21:34:04,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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 21:34:04,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:34:04,279 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] [2024-11-22 21:34:04,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 21:34:04,279 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:34:04,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:34:04,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1330810326, now seen corresponding path program 3 times [2024-11-22 21:34:04,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:34:04,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865799569] [2024-11-22 21:34:04,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 21:34:04,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:34:04,371 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 21:34:04,371 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:34:06,625 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 21:34:06,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:34:06,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865799569] [2024-11-22 21:34:06,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865799569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:34:06,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:34:06,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 21:34:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278518837] [2024-11-22 21:34:06,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:34:06,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 21:34:06,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:34:06,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 21:34:06,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 21:34:06,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:34:06,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 134 transitions, 1472 flow. Second operand has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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 21:34:06,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:34:06,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:34:06,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:34:09,252 INFO L124 PetriNetUnfolderBase]: 8246/14998 cut-off events. [2024-11-22 21:34:09,253 INFO L125 PetriNetUnfolderBase]: For 79583/81650 co-relation queries the response was YES. [2024-11-22 21:34:09,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67879 conditions, 14998 events. 8246/14998 cut-off events. For 79583/81650 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 129759 event pairs, 890 based on Foata normal form. 428/14501 useless extension candidates. Maximal degree in co-relation 67836. Up to 4810 conditions per place. [2024-11-22 21:34:09,361 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 108 selfloop transitions, 74 changer transitions 20/221 dead transitions. [2024-11-22 21:34:09,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 221 transitions, 2741 flow [2024-11-22 21:34:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:34:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:34:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 258 transitions. [2024-11-22 21:34:09,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.548936170212766 [2024-11-22 21:34:09,363 INFO L175 Difference]: Start difference. First operand has 105 places, 134 transitions, 1472 flow. Second operand 10 states and 258 transitions. [2024-11-22 21:34:09,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 221 transitions, 2741 flow [2024-11-22 21:34:09,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 221 transitions, 2623 flow, removed 38 selfloop flow, removed 7 redundant places. [2024-11-22 21:34:09,499 INFO L231 Difference]: Finished difference. Result has 107 places, 163 transitions, 2015 flow [2024-11-22 21:34:09,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1378, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2015, PETRI_PLACES=107, PETRI_TRANSITIONS=163} [2024-11-22 21:34:09,500 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 55 predicate places. [2024-11-22 21:34:09,500 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 163 transitions, 2015 flow [2024-11-22 21:34:09,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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 21:34:09,500 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:34:09,500 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] [2024-11-22 21:34:09,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 21:34:09,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:34:09,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:34:09,501 INFO L85 PathProgramCache]: Analyzing trace with hash -707507542, now seen corresponding path program 4 times [2024-11-22 21:34:09,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:34:09,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840724823] [2024-11-22 21:34:09,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 21:34:09,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:34:09,562 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 21:34:09,562 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:34:09,724 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 21:34:09,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:34:09,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840724823] [2024-11-22 21:34:09,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840724823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:34:09,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:34:09,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:34:09,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983902417] [2024-11-22 21:34:09,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:34:09,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:34:09,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:34:09,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:34:09,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:34:09,728 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-11-22 21:34:09,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 163 transitions, 2015 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 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 21:34:09,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:34:09,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-11-22 21:34:09,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:34:11,938 INFO L124 PetriNetUnfolderBase]: 12911/20480 cut-off events. [2024-11-22 21:34:11,938 INFO L125 PetriNetUnfolderBase]: For 167323/167871 co-relation queries the response was YES. [2024-11-22 21:34:12,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103913 conditions, 20480 events. 12911/20480 cut-off events. For 167323/167871 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 151798 event pairs, 1550 based on Foata normal form. 864/21318 useless extension candidates. Maximal degree in co-relation 103871. Up to 8293 conditions per place. [2024-11-22 21:34:12,095 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 122 selfloop transitions, 11 changer transitions 107/277 dead transitions. [2024-11-22 21:34:12,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 277 transitions, 3727 flow [2024-11-22 21:34:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:34:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:34:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 153 transitions. [2024-11-22 21:34:12,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-11-22 21:34:12,097 INFO L175 Difference]: Start difference. First operand has 107 places, 163 transitions, 2015 flow. Second operand 6 states and 153 transitions. [2024-11-22 21:34:12,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 277 transitions, 3727 flow [2024-11-22 21:34:12,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 277 transitions, 3326 flow, removed 142 selfloop flow, removed 8 redundant places. [2024-11-22 21:34:12,819 INFO L231 Difference]: Finished difference. Result has 104 places, 114 transitions, 1324 flow [2024-11-22 21:34:12,819 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1324, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2024-11-22 21:34:12,820 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-11-22 21:34:12,820 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 1324 flow [2024-11-22 21:34:12,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 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 21:34:12,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:34:12,820 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, 1, 1, 1, 1, 1] [2024-11-22 21:34:12,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 21:34:12,821 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:34:12,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:34:12,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1223552245, now seen corresponding path program 1 times [2024-11-22 21:34:12,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:34:12,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616016842] [2024-11-22 21:34:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:34:12,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:34:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:34:13,072 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 21:34:13,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:34:13,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616016842] [2024-11-22 21:34:13,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616016842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:34:13,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:34:13,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:34:13,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214060993] [2024-11-22 21:34:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:34:13,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:34:13,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:34:13,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:34:13,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:34:13,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 47 [2024-11-22 21:34:13,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 1324 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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 21:34:13,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:34:13,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 47 [2024-11-22 21:34:13,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:34:14,209 INFO L124 PetriNetUnfolderBase]: 3241/6421 cut-off events. [2024-11-22 21:34:14,210 INFO L125 PetriNetUnfolderBase]: For 34562/36149 co-relation queries the response was YES. [2024-11-22 21:34:14,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27931 conditions, 6421 events. 3241/6421 cut-off events. For 34562/36149 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 53712 event pairs, 416 based on Foata normal form. 272/6136 useless extension candidates. Maximal degree in co-relation 27893. Up to 2388 conditions per place. [2024-11-22 21:34:14,246 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 35 selfloop transitions, 1 changer transitions 95/152 dead transitions. [2024-11-22 21:34:14,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 152 transitions, 1827 flow [2024-11-22 21:34:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:34:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:34:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-11-22 21:34:14,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801 [2024-11-22 21:34:14,248 INFO L175 Difference]: Start difference. First operand has 104 places, 114 transitions, 1324 flow. Second operand 6 states and 142 transitions. [2024-11-22 21:34:14,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 152 transitions, 1827 flow [2024-11-22 21:34:14,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 152 transitions, 1653 flow, removed 65 selfloop flow, removed 6 redundant places. [2024-11-22 21:34:14,425 INFO L231 Difference]: Finished difference. Result has 105 places, 52 transitions, 410 flow [2024-11-22 21:34:14,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=105, PETRI_TRANSITIONS=52} [2024-11-22 21:34:14,426 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-11-22 21:34:14,426 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 52 transitions, 410 flow [2024-11-22 21:34:14,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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 21:34:14,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:34:14,426 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, 1, 1, 1, 1, 1] [2024-11-22 21:34:14,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 21:34:14,427 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:34:14,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:34:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1808653159, now seen corresponding path program 2 times [2024-11-22 21:34:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:34:14,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030036533] [2024-11-22 21:34:14,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:34:14,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:34:14,510 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:34:14,510 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:34:16,977 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 21:34:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:34:16,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030036533] [2024-11-22 21:34:16,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030036533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:34:16,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:34:16,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 21:34:16,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976668806] [2024-11-22 21:34:16,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:34:16,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 21:34:16,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:34:16,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 21:34:16,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-22 21:34:16,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-22 21:34:16,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 52 transitions, 410 flow. Second operand has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 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 21:34:16,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:34:16,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-22 21:34:16,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:34:17,654 INFO L124 PetriNetUnfolderBase]: 843/1753 cut-off events. [2024-11-22 21:34:17,654 INFO L125 PetriNetUnfolderBase]: For 4691/5260 co-relation queries the response was YES. [2024-11-22 21:34:17,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6995 conditions, 1753 events. 843/1753 cut-off events. For 4691/5260 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 12275 event pairs, 65 based on Foata normal form. 55/1641 useless extension candidates. Maximal degree in co-relation 6964. Up to 442 conditions per place. [2024-11-22 21:34:17,664 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-11-22 21:34:17,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 80 transitions, 681 flow [2024-11-22 21:34:17,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:34:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:34:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2024-11-22 21:34:17,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44680851063829785 [2024-11-22 21:34:17,666 INFO L175 Difference]: Start difference. First operand has 105 places, 52 transitions, 410 flow. Second operand 10 states and 210 transitions. [2024-11-22 21:34:17,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 80 transitions, 681 flow [2024-11-22 21:34:17,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 565 flow, removed 10 selfloop flow, removed 27 redundant places. [2024-11-22 21:34:17,679 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-11-22 21:34:17,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-11-22 21:34:17,680 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2024-11-22 21:34:17,680 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-11-22 21:34:17,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 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 21:34:17,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-22 21:34:17,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-22 21:34:17,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-22 21:34:17,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-22 21:34:17,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-22 21:34:17,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-22 21:34:17,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-22 21:34:17,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 21:34:17,686 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-22 21:34:17,691 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 21:34:17,691 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:34:17,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:34:17 BasicIcfg [2024-11-22 21:34:17,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:34:17,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:34:17,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:34:17,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:34:17,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:33:32" (3/4) ... [2024-11-22 21:34:17,703 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 21:34:17,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-22 21:34:17,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-22 21:34:17,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-22 21:34:17,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-11-22 21:34:17,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-22 21:34:17,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 21:34:17,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 21:34:17,813 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 21:34:17,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 21:34:17,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:34:17,815 INFO L158 Benchmark]: Toolchain (without parser) took 47302.93ms. Allocated memory was 178.3MB in the beginning and 4.8GB in the end (delta: 4.7GB). Free memory was 130.4MB in the beginning and 3.7GB in the end (delta: -3.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-22 21:34:17,815 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 178.3MB. Free memory was 147.5MB in the beginning and 147.3MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:34:17,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.08ms. Allocated memory is still 178.3MB. Free memory was 130.4MB in the beginning and 99.7MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-22 21:34:17,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.47ms. Allocated memory is still 178.3MB. Free memory was 99.7MB in the beginning and 96.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 21:34:17,816 INFO L158 Benchmark]: Boogie Preprocessor took 87.86ms. Allocated memory is still 178.3MB. Free memory was 96.0MB in the beginning and 90.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 21:34:17,816 INFO L158 Benchmark]: RCFGBuilder took 1050.67ms. Allocated memory is still 178.3MB. Free memory was 90.5MB in the beginning and 99.9MB in the end (delta: -9.4MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-22 21:34:17,816 INFO L158 Benchmark]: TraceAbstraction took 45317.00ms. Allocated memory was 178.3MB in the beginning and 4.8GB in the end (delta: 4.7GB). Free memory was 98.9MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-22 21:34:17,816 INFO L158 Benchmark]: Witness Printer took 113.79ms. Allocated memory is still 4.8GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 21:34:17,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 178.3MB. Free memory was 147.5MB in the beginning and 147.3MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.08ms. Allocated memory is still 178.3MB. Free memory was 130.4MB in the beginning and 99.7MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.47ms. Allocated memory is still 178.3MB. Free memory was 99.7MB in the beginning and 96.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.86ms. Allocated memory is still 178.3MB. Free memory was 96.0MB in the beginning and 90.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.67ms. Allocated memory is still 178.3MB. Free memory was 90.5MB in the beginning and 99.9MB in the end (delta: -9.4MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * TraceAbstraction took 45317.00ms. Allocated memory was 178.3MB in the beginning and 4.8GB in the end (delta: 4.7GB). Free memory was 98.9MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 113.79ms. Allocated memory is still 4.8GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 866]: 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, 74 locations, 7 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: 45.2s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 26.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1064 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4312 IncrementalHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 38 mSDtfsCounter, 4312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2015occurred in iteration=13, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 3302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 21:34:17,841 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