./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_15-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad13fcacd201ae20f6800b42387b8ec1153fb1bf63cee7a12ec23f4a302be7c7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 15:02:07,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 15:02:07,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-20 15:02:07,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 15:02:07,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 15:02:07,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 15:02:07,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 15:02:07,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 15:02:07,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 15:02:07,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 15:02:07,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 15:02:07,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 15:02:07,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 15:02:07,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 15:02:07,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 15:02:07,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 15:02:07,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 15:02:07,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 15:02:07,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 15:02:07,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 15:02:07,468 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 15:02:07,469 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 15:02:07,470 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 15:02:07,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 15:02:07,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 15:02:07,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 15:02:07,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 15:02:07,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 15:02:07,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 15:02:07,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 15:02:07,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 15:02:07,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 15:02:07,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 15:02:07,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 15:02:07,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 15:02:07,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 15:02:07,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 15:02:07,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 15:02:07,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 15:02:07,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 15:02:07,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 15:02:07,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 15:02:07,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad13fcacd201ae20f6800b42387b8ec1153fb1bf63cee7a12ec23f4a302be7c7 [2024-11-20 15:02:07,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 15:02:07,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 15:02:07,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 15:02:07,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 15:02:07,798 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 15:02:07,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_15-2.c [2024-11-20 15:02:09,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 15:02:09,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 15:02:09,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_15-2.c [2024-11-20 15:02:09,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fae9bfa8/d42b5a9954614c26a53c4ff47be2181b/FLAG171b56c19 [2024-11-20 15:02:09,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fae9bfa8/d42b5a9954614c26a53c4ff47be2181b [2024-11-20 15:02:09,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 15:02:09,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 15:02:09,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 15:02:09,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 15:02:09,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 15:02:09,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62566fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09, skipping insertion in model container [2024-11-20 15:02:09,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 15:02:09,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 15:02:09,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 15:02:09,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 15:02:09,816 INFO L204 MainTranslator]: Completed translation [2024-11-20 15:02:09,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09 WrapperNode [2024-11-20 15:02:09,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 15:02:09,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 15:02:09,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 15:02:09,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 15:02:09,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,860 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 209 [2024-11-20 15:02:09,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 15:02:09,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 15:02:09,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 15:02:09,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 15:02:09,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,895 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 15:02:09,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 15:02:09,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 15:02:09,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 15:02:09,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 15:02:09,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (1/1) ... [2024-11-20 15:02:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 15:02:09,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 15:02:09,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 15:02:09,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 15:02:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 15:02:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 15:02:09,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 15:02:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 15:02:10,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 15:02:10,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 15:02:10,389 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-20 15:02:10,389 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 15:02:10,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 15:02:10,402 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 15:02:10,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:02:10 BoogieIcfgContainer [2024-11-20 15:02:10,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 15:02:10,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 15:02:10,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 15:02:10,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 15:02:10,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:02:09" (1/3) ... [2024-11-20 15:02:10,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f984bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:02:10, skipping insertion in model container [2024-11-20 15:02:10,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:02:09" (2/3) ... [2024-11-20 15:02:10,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f984bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:02:10, skipping insertion in model container [2024-11-20 15:02:10,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:02:10" (3/3) ... [2024-11-20 15:02:10,411 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_15-2.c [2024-11-20 15:02:10,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 15:02:10,427 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 15:02:10,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 15:02:10,480 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;@1c63049a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 15:02:10,481 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 15:02:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 55 states have (on average 1.9090909090909092) internal successors, (105), 57 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 15:02:10,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:10,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 15:02:10,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:10,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:10,503 INFO L85 PathProgramCache]: Analyzing trace with hash 28959894, now seen corresponding path program 1 times [2024-11-20 15:02:10,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:10,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894698084] [2024-11-20 15:02:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:10,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:10,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:10,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894698084] [2024-11-20 15:02:10,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894698084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:10,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:10,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 15:02:10,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869231653] [2024-11-20 15:02:10,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:10,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 15:02:10,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:10,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 15:02:10,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 15:02:10,693 INFO L87 Difference]: Start difference. First operand has 58 states, 55 states have (on average 1.9090909090909092) internal successors, (105), 57 states have internal predecessors, (105), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:10,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:10,708 INFO L93 Difference]: Finished difference Result 57 states and 101 transitions. [2024-11-20 15:02:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 15:02:10,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-11-20 15:02:10,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:10,716 INFO L225 Difference]: With dead ends: 57 [2024-11-20 15:02:10,716 INFO L226 Difference]: Without dead ends: 55 [2024-11-20 15:02:10,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 15:02:10,721 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:10,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:10,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-20 15:02:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-20 15:02:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.8679245283018868) internal successors, (99), 54 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) [2024-11-20 15:02:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2024-11-20 15:02:10,750 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 5 [2024-11-20 15:02:10,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:10,751 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2024-11-20 15:02:10,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2024-11-20 15:02:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 15:02:10,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:10,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 15:02:10,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 15:02:10,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:10,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:10,753 INFO L85 PathProgramCache]: Analyzing trace with hash 889700686, now seen corresponding path program 1 times [2024-11-20 15:02:10,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:10,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221825630] [2024-11-20 15:02:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:10,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:10,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221825630] [2024-11-20 15:02:10,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221825630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:10,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:10,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 15:02:10,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350326912] [2024-11-20 15:02:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:10,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:10,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:10,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:10,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:10,848 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:10,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:10,864 INFO L93 Difference]: Finished difference Result 54 states and 98 transitions. [2024-11-20 15:02:10,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:10,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2024-11-20 15:02:10,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:10,866 INFO L225 Difference]: With dead ends: 54 [2024-11-20 15:02:10,866 INFO L226 Difference]: Without dead ends: 52 [2024-11-20 15:02:10,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:10,867 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 93 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:10,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:10,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-20 15:02:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-20 15:02:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.8823529411764706) internal successors, (96), 51 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:10,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 96 transitions. [2024-11-20 15:02:10,874 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 96 transitions. Word has length 6 [2024-11-20 15:02:10,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:10,875 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 96 transitions. [2024-11-20 15:02:10,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:10,875 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2024-11-20 15:02:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-20 15:02:10,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:10,876 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:10,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 15:02:10,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:10,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:10,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1809331837, now seen corresponding path program 1 times [2024-11-20 15:02:10,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:10,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091552418] [2024-11-20 15:02:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:10,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:10,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:10,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091552418] [2024-11-20 15:02:10,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091552418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:10,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:10,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:10,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508821111] [2024-11-20 15:02:10,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:10,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:10,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:10,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:10,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:10,999 INFO L87 Difference]: Start difference. First operand 52 states and 96 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,035 INFO L93 Difference]: Finished difference Result 101 states and 187 transitions. [2024-11-20 15:02:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-11-20 15:02:11,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,038 INFO L225 Difference]: With dead ends: 101 [2024-11-20 15:02:11,038 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 15:02:11,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,039 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 74 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 190 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 15:02:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 68. [2024-11-20 15:02:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 67 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 127 transitions. [2024-11-20 15:02:11,049 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 127 transitions. Word has length 23 [2024-11-20 15:02:11,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,050 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 127 transitions. [2024-11-20 15:02:11,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2024-11-20 15:02:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-20 15:02:11,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,051 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:11,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 15:02:11,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash 120388095, now seen corresponding path program 1 times [2024-11-20 15:02:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553835363] [2024-11-20 15:02:11,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553835363] [2024-11-20 15:02:11,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553835363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172294079] [2024-11-20 15:02:11,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,141 INFO L87 Difference]: Start difference. First operand 68 states and 127 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,163 INFO L93 Difference]: Finished difference Result 101 states and 185 transitions. [2024-11-20 15:02:11,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-11-20 15:02:11,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,165 INFO L225 Difference]: With dead ends: 101 [2024-11-20 15:02:11,165 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 15:02:11,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,166 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 74 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 215 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 15:02:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2024-11-20 15:02:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.8865979381443299) internal successors, (183), 97 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 183 transitions. [2024-11-20 15:02:11,175 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 183 transitions. Word has length 23 [2024-11-20 15:02:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,175 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 183 transitions. [2024-11-20 15:02:11,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2024-11-20 15:02:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-20 15:02:11,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,176 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:11,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 15:02:11,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,178 INFO L85 PathProgramCache]: Analyzing trace with hash 261267327, now seen corresponding path program 1 times [2024-11-20 15:02:11,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91246071] [2024-11-20 15:02:11,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91246071] [2024-11-20 15:02:11,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91246071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204090805] [2024-11-20 15:02:11,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,234 INFO L87 Difference]: Start difference. First operand 98 states and 183 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,260 INFO L93 Difference]: Finished difference Result 104 states and 187 transitions. [2024-11-20 15:02:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2024-11-20 15:02:11,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,263 INFO L225 Difference]: With dead ends: 104 [2024-11-20 15:02:11,264 INFO L226 Difference]: Without dead ends: 104 [2024-11-20 15:02:11,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,265 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 76 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-20 15:02:11,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2024-11-20 15:02:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.85) internal successors, (185), 100 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 185 transitions. [2024-11-20 15:02:11,283 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 185 transitions. Word has length 24 [2024-11-20 15:02:11,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,283 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 185 transitions. [2024-11-20 15:02:11,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 185 transitions. [2024-11-20 15:02:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-20 15:02:11,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:11,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 15:02:11,285 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,286 INFO L85 PathProgramCache]: Analyzing trace with hash -556381123, now seen corresponding path program 1 times [2024-11-20 15:02:11,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513212432] [2024-11-20 15:02:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513212432] [2024-11-20 15:02:11,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513212432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035726108] [2024-11-20 15:02:11,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,345 INFO L87 Difference]: Start difference. First operand 101 states and 185 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,366 INFO L93 Difference]: Finished difference Result 193 states and 356 transitions. [2024-11-20 15:02:11,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2024-11-20 15:02:11,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,371 INFO L225 Difference]: With dead ends: 193 [2024-11-20 15:02:11,371 INFO L226 Difference]: Without dead ends: 193 [2024-11-20 15:02:11,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,374 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 71 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 188 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-20 15:02:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 134. [2024-11-20 15:02:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.849624060150376) internal successors, (246), 133 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 246 transitions. [2024-11-20 15:02:11,394 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 246 transitions. Word has length 24 [2024-11-20 15:02:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,394 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 246 transitions. [2024-11-20 15:02:11,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 246 transitions. [2024-11-20 15:02:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-20 15:02:11,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,396 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:11,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 15:02:11,396 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2049642431, now seen corresponding path program 1 times [2024-11-20 15:02:11,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066081342] [2024-11-20 15:02:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066081342] [2024-11-20 15:02:11,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066081342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880254959] [2024-11-20 15:02:11,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,443 INFO L87 Difference]: Start difference. First operand 134 states and 246 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,460 INFO L93 Difference]: Finished difference Result 195 states and 354 transitions. [2024-11-20 15:02:11,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2024-11-20 15:02:11,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,462 INFO L225 Difference]: With dead ends: 195 [2024-11-20 15:02:11,462 INFO L226 Difference]: Without dead ends: 195 [2024-11-20 15:02:11,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,464 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 73 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 216 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-20 15:02:11,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2024-11-20 15:02:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.8429319371727748) internal successors, (352), 191 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 352 transitions. [2024-11-20 15:02:11,483 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 352 transitions. Word has length 24 [2024-11-20 15:02:11,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,483 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 352 transitions. [2024-11-20 15:02:11,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 352 transitions. [2024-11-20 15:02:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 15:02:11,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,485 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:11,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 15:02:11,485 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,487 INFO L85 PathProgramCache]: Analyzing trace with hash -61379830, now seen corresponding path program 1 times [2024-11-20 15:02:11,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881523369] [2024-11-20 15:02:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881523369] [2024-11-20 15:02:11,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881523369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73011504] [2024-11-20 15:02:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,537 INFO L87 Difference]: Start difference. First operand 192 states and 352 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,553 INFO L93 Difference]: Finished difference Result 197 states and 354 transitions. [2024-11-20 15:02:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 25 [2024-11-20 15:02:11,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,556 INFO L225 Difference]: With dead ends: 197 [2024-11-20 15:02:11,556 INFO L226 Difference]: Without dead ends: 197 [2024-11-20 15:02:11,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,557 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 75 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 239 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-20 15:02:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2024-11-20 15:02:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.8238341968911918) internal successors, (352), 193 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 352 transitions. [2024-11-20 15:02:11,570 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 352 transitions. Word has length 25 [2024-11-20 15:02:11,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,571 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 352 transitions. [2024-11-20 15:02:11,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 352 transitions. [2024-11-20 15:02:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 15:02:11,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,573 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:11,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 15:02:11,573 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,574 INFO L85 PathProgramCache]: Analyzing trace with hash -879028280, now seen corresponding path program 1 times [2024-11-20 15:02:11,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197360716] [2024-11-20 15:02:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197360716] [2024-11-20 15:02:11,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197360716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974268684] [2024-11-20 15:02:11,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,637 INFO L87 Difference]: Start difference. First operand 194 states and 352 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,656 INFO L93 Difference]: Finished difference Result 377 states and 678 transitions. [2024-11-20 15:02:11,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 25 [2024-11-20 15:02:11,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,661 INFO L225 Difference]: With dead ends: 377 [2024-11-20 15:02:11,662 INFO L226 Difference]: Without dead ends: 377 [2024-11-20 15:02:11,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,662 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 73 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-20 15:02:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2024-11-20 15:02:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.8123324396782843) internal successors, (676), 373 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 676 transitions. [2024-11-20 15:02:11,673 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 676 transitions. Word has length 25 [2024-11-20 15:02:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,674 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 676 transitions. [2024-11-20 15:02:11,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 676 transitions. [2024-11-20 15:02:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 15:02:11,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,676 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:11,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 15:02:11,676 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,677 INFO L85 PathProgramCache]: Analyzing trace with hash 809915462, now seen corresponding path program 1 times [2024-11-20 15:02:11,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159680778] [2024-11-20 15:02:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159680778] [2024-11-20 15:02:11,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159680778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931075882] [2024-11-20 15:02:11,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,739 INFO L87 Difference]: Start difference. First operand 374 states and 676 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,760 INFO L93 Difference]: Finished difference Result 481 states and 874 transitions. [2024-11-20 15:02:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 25 [2024-11-20 15:02:11,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,763 INFO L225 Difference]: With dead ends: 481 [2024-11-20 15:02:11,763 INFO L226 Difference]: Without dead ends: 481 [2024-11-20 15:02:11,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,764 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 68 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 263 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-20 15:02:11,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 374. [2024-11-20 15:02:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.801608579088472) internal successors, (672), 373 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 672 transitions. [2024-11-20 15:02:11,799 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 672 transitions. Word has length 25 [2024-11-20 15:02:11,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,799 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 672 transitions. [2024-11-20 15:02:11,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 672 transitions. [2024-11-20 15:02:11,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 15:02:11,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:11,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 15:02:11,806 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1473496534, now seen corresponding path program 1 times [2024-11-20 15:02:11,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349690844] [2024-11-20 15:02:11,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349690844] [2024-11-20 15:02:11,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349690844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672745128] [2024-11-20 15:02:11,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,861 INFO L87 Difference]: Start difference. First operand 374 states and 672 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,875 INFO L93 Difference]: Finished difference Result 709 states and 1282 transitions. [2024-11-20 15:02:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-20 15:02:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,880 INFO L225 Difference]: With dead ends: 709 [2024-11-20 15:02:11,880 INFO L226 Difference]: Without dead ends: 709 [2024-11-20 15:02:11,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,881 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 65 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 184 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-20 15:02:11,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 514. [2024-11-20 15:02:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 513 states have (on average 1.7777777777777777) internal successors, (912), 513 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 912 transitions. [2024-11-20 15:02:11,895 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 912 transitions. Word has length 26 [2024-11-20 15:02:11,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,896 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 912 transitions. [2024-11-20 15:02:11,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 912 transitions. [2024-11-20 15:02:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 15:02:11,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:11,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 15:02:11,900 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1132527020, now seen corresponding path program 1 times [2024-11-20 15:02:11,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498455960] [2024-11-20 15:02:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:11,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:11,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498455960] [2024-11-20 15:02:11,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498455960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:11,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:11,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:11,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207704358] [2024-11-20 15:02:11,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:11,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:11,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:11,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:11,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,945 INFO L87 Difference]: Start difference. First operand 514 states and 912 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:11,963 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2024-11-20 15:02:11,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:11,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-20 15:02:11,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:11,966 INFO L225 Difference]: With dead ends: 733 [2024-11-20 15:02:11,966 INFO L226 Difference]: Without dead ends: 733 [2024-11-20 15:02:11,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:11,967 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 71 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:11,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 218 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:11,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-20 15:02:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 730. [2024-11-20 15:02:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 729 states have (on average 1.7722908093278464) internal successors, (1292), 729 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1292 transitions. [2024-11-20 15:02:11,983 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1292 transitions. Word has length 26 [2024-11-20 15:02:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:11,983 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1292 transitions. [2024-11-20 15:02:11,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1292 transitions. [2024-11-20 15:02:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 15:02:11,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:11,985 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:11,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 15:02:11,986 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:11,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:11,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1572834643, now seen corresponding path program 1 times [2024-11-20 15:02:11,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:11,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554770169] [2024-11-20 15:02:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554770169] [2024-11-20 15:02:12,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554770169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150722611] [2024-11-20 15:02:12,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,026 INFO L87 Difference]: Start difference. First operand 730 states and 1292 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,042 INFO L93 Difference]: Finished difference Result 745 states and 1302 transitions. [2024-11-20 15:02:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-20 15:02:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,045 INFO L225 Difference]: With dead ends: 745 [2024-11-20 15:02:12,046 INFO L226 Difference]: Without dead ends: 745 [2024-11-20 15:02:12,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,047 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 73 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 231 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-20 15:02:12,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 742. [2024-11-20 15:02:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 741 states have (on average 1.7543859649122806) internal successors, (1300), 741 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1300 transitions. [2024-11-20 15:02:12,061 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1300 transitions. Word has length 27 [2024-11-20 15:02:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,062 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1300 transitions. [2024-11-20 15:02:12,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1300 transitions. [2024-11-20 15:02:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 15:02:12,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,063 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:12,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 15:02:12,063 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash 755186193, now seen corresponding path program 1 times [2024-11-20 15:02:12,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912849848] [2024-11-20 15:02:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912849848] [2024-11-20 15:02:12,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912849848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991690288] [2024-11-20 15:02:12,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,098 INFO L87 Difference]: Start difference. First operand 742 states and 1300 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,114 INFO L93 Difference]: Finished difference Result 1385 states and 2446 transitions. [2024-11-20 15:02:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-20 15:02:12,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,119 INFO L225 Difference]: With dead ends: 1385 [2024-11-20 15:02:12,120 INFO L226 Difference]: Without dead ends: 1385 [2024-11-20 15:02:12,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,120 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 62 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 182 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-20 15:02:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1030. [2024-11-20 15:02:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1029 states have (on average 1.7220602526724975) internal successors, (1772), 1029 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1772 transitions. [2024-11-20 15:02:12,143 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1772 transitions. Word has length 27 [2024-11-20 15:02:12,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,144 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1772 transitions. [2024-11-20 15:02:12,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1772 transitions. [2024-11-20 15:02:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 15:02:12,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,146 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:12,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 15:02:12,147 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,147 INFO L85 PathProgramCache]: Analyzing trace with hash -933757549, now seen corresponding path program 1 times [2024-11-20 15:02:12,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274690869] [2024-11-20 15:02:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274690869] [2024-11-20 15:02:12,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274690869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669246517] [2024-11-20 15:02:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,176 INFO L87 Difference]: Start difference. First operand 1030 states and 1772 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,194 INFO L93 Difference]: Finished difference Result 1449 states and 2486 transitions. [2024-11-20 15:02:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-20 15:02:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,200 INFO L225 Difference]: With dead ends: 1449 [2024-11-20 15:02:12,200 INFO L226 Difference]: Without dead ends: 1449 [2024-11-20 15:02:12,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,202 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 70 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 219 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-20 15:02:12,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1446. [2024-11-20 15:02:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1445 states have (on average 1.719031141868512) internal successors, (2484), 1445 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2484 transitions. [2024-11-20 15:02:12,228 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2484 transitions. Word has length 27 [2024-11-20 15:02:12,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,229 INFO L471 AbstractCegarLoop]: Abstraction has 1446 states and 2484 transitions. [2024-11-20 15:02:12,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2484 transitions. [2024-11-20 15:02:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 15:02:12,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,230 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:12,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 15:02:12,231 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1942533015, now seen corresponding path program 1 times [2024-11-20 15:02:12,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941823221] [2024-11-20 15:02:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941823221] [2024-11-20 15:02:12,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941823221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787044876] [2024-11-20 15:02:12,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,262 INFO L87 Difference]: Start difference. First operand 1446 states and 2484 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,284 INFO L93 Difference]: Finished difference Result 1465 states and 2486 transitions. [2024-11-20 15:02:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 28 [2024-11-20 15:02:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,289 INFO L225 Difference]: With dead ends: 1465 [2024-11-20 15:02:12,289 INFO L226 Difference]: Without dead ends: 1465 [2024-11-20 15:02:12,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,290 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 72 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 227 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-11-20 15:02:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1462. [2024-11-20 15:02:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1461 states have (on average 1.700205338809035) internal successors, (2484), 1461 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2484 transitions. [2024-11-20 15:02:12,333 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2484 transitions. Word has length 28 [2024-11-20 15:02:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,334 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 2484 transitions. [2024-11-20 15:02:12,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2484 transitions. [2024-11-20 15:02:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 15:02:12,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:12,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 15:02:12,336 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1124884565, now seen corresponding path program 1 times [2024-11-20 15:02:12,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274007942] [2024-11-20 15:02:12,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274007942] [2024-11-20 15:02:12,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274007942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118282280] [2024-11-20 15:02:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,370 INFO L87 Difference]: Start difference. First operand 1462 states and 2484 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,393 INFO L93 Difference]: Finished difference Result 2697 states and 4630 transitions. [2024-11-20 15:02:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 28 [2024-11-20 15:02:12,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,403 INFO L225 Difference]: With dead ends: 2697 [2024-11-20 15:02:12,404 INFO L226 Difference]: Without dead ends: 2697 [2024-11-20 15:02:12,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,404 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 59 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 180 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2024-11-20 15:02:12,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2054. [2024-11-20 15:02:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 2053 states have (on average 1.6619581100828056) internal successors, (3412), 2053 states have internal predecessors, (3412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 3412 transitions. [2024-11-20 15:02:12,448 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 3412 transitions. Word has length 28 [2024-11-20 15:02:12,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,449 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 3412 transitions. [2024-11-20 15:02:12,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 3412 transitions. [2024-11-20 15:02:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 15:02:12,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 15:02:12,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 15:02:12,452 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,453 INFO L85 PathProgramCache]: Analyzing trace with hash -564059177, now seen corresponding path program 1 times [2024-11-20 15:02:12,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016050482] [2024-11-20 15:02:12,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016050482] [2024-11-20 15:02:12,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016050482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211338358] [2024-11-20 15:02:12,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,483 INFO L87 Difference]: Start difference. First operand 2054 states and 3412 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,507 INFO L93 Difference]: Finished difference Result 2857 states and 4742 transitions. [2024-11-20 15:02:12,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 28 [2024-11-20 15:02:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,517 INFO L225 Difference]: With dead ends: 2857 [2024-11-20 15:02:12,517 INFO L226 Difference]: Without dead ends: 2857 [2024-11-20 15:02:12,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,518 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 69 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 220 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2024-11-20 15:02:12,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 2854. [2024-11-20 15:02:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2853 states have (on average 1.6614090431125133) internal successors, (4740), 2853 states have internal predecessors, (4740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 4740 transitions. [2024-11-20 15:02:12,575 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 4740 transitions. Word has length 28 [2024-11-20 15:02:12,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,576 INFO L471 AbstractCegarLoop]: Abstraction has 2854 states and 4740 transitions. [2024-11-20 15:02:12,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 4740 transitions. [2024-11-20 15:02:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 15:02:12,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,579 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:12,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 15:02:12,579 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,581 INFO L85 PathProgramCache]: Analyzing trace with hash 518291230, now seen corresponding path program 1 times [2024-11-20 15:02:12,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120029540] [2024-11-20 15:02:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120029540] [2024-11-20 15:02:12,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120029540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327581206] [2024-11-20 15:02:12,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,617 INFO L87 Difference]: Start difference. First operand 2854 states and 4740 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,641 INFO L93 Difference]: Finished difference Result 2889 states and 4742 transitions. [2024-11-20 15:02:12,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-11-20 15:02:12,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,651 INFO L225 Difference]: With dead ends: 2889 [2024-11-20 15:02:12,651 INFO L226 Difference]: Without dead ends: 2889 [2024-11-20 15:02:12,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,652 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 71 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 223 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2889 states. [2024-11-20 15:02:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2889 to 2886. [2024-11-20 15:02:12,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2886 states, 2885 states have (on average 1.6429809358752165) internal successors, (4740), 2885 states have internal predecessors, (4740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 4740 transitions. [2024-11-20 15:02:12,747 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 4740 transitions. Word has length 29 [2024-11-20 15:02:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,748 INFO L471 AbstractCegarLoop]: Abstraction has 2886 states and 4740 transitions. [2024-11-20 15:02:12,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 4740 transitions. [2024-11-20 15:02:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 15:02:12,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,751 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:12,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 15:02:12,751 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,752 INFO L85 PathProgramCache]: Analyzing trace with hash -299357220, now seen corresponding path program 1 times [2024-11-20 15:02:12,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557184245] [2024-11-20 15:02:12,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557184245] [2024-11-20 15:02:12,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557184245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072395183] [2024-11-20 15:02:12,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,779 INFO L87 Difference]: Start difference. First operand 2886 states and 4740 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:12,812 INFO L93 Difference]: Finished difference Result 5257 states and 8742 transitions. [2024-11-20 15:02:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:12,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-11-20 15:02:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:12,830 INFO L225 Difference]: With dead ends: 5257 [2024-11-20 15:02:12,831 INFO L226 Difference]: Without dead ends: 5257 [2024-11-20 15:02:12,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,832 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 56 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:12,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 178 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5257 states. [2024-11-20 15:02:12,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5257 to 4102. [2024-11-20 15:02:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4102 states, 4101 states have (on average 1.6005852231163131) internal successors, (6564), 4101 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 4102 states and 6564 transitions. [2024-11-20 15:02:12,937 INFO L78 Accepts]: Start accepts. Automaton has 4102 states and 6564 transitions. Word has length 29 [2024-11-20 15:02:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:12,937 INFO L471 AbstractCegarLoop]: Abstraction has 4102 states and 6564 transitions. [2024-11-20 15:02:12,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4102 states and 6564 transitions. [2024-11-20 15:02:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 15:02:12,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:12,942 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:12,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 15:02:12,943 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:12,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:12,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1988300962, now seen corresponding path program 1 times [2024-11-20 15:02:12,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:12,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822039895] [2024-11-20 15:02:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:12,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:12,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:12,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822039895] [2024-11-20 15:02:12,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822039895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:12,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:12,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:12,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697685177] [2024-11-20 15:02:12,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:12,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:12,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:12,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:12,970 INFO L87 Difference]: Start difference. First operand 4102 states and 6564 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:13,004 INFO L93 Difference]: Finished difference Result 5641 states and 9030 transitions. [2024-11-20 15:02:13,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:13,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-11-20 15:02:13,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:13,025 INFO L225 Difference]: With dead ends: 5641 [2024-11-20 15:02:13,025 INFO L226 Difference]: Without dead ends: 5641 [2024-11-20 15:02:13,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,026 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:13,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 221 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:13,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2024-11-20 15:02:13,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5638. [2024-11-20 15:02:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5638 states, 5637 states have (on average 1.6015611140677666) internal successors, (9028), 5637 states have internal predecessors, (9028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5638 states to 5638 states and 9028 transitions. [2024-11-20 15:02:13,189 INFO L78 Accepts]: Start accepts. Automaton has 5638 states and 9028 transitions. Word has length 29 [2024-11-20 15:02:13,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:13,189 INFO L471 AbstractCegarLoop]: Abstraction has 5638 states and 9028 transitions. [2024-11-20 15:02:13,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5638 states and 9028 transitions. [2024-11-20 15:02:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 15:02:13,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:13,197 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:13,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 15:02:13,197 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:13,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:13,198 INFO L85 PathProgramCache]: Analyzing trace with hash -683520574, now seen corresponding path program 1 times [2024-11-20 15:02:13,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:13,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576004117] [2024-11-20 15:02:13,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:13,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:13,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:13,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576004117] [2024-11-20 15:02:13,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576004117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:13,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:13,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:13,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228882171] [2024-11-20 15:02:13,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:13,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:13,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:13,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:13,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,232 INFO L87 Difference]: Start difference. First operand 5638 states and 9028 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:13,272 INFO L93 Difference]: Finished difference Result 5705 states and 9030 transitions. [2024-11-20 15:02:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:13,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-20 15:02:13,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:13,293 INFO L225 Difference]: With dead ends: 5705 [2024-11-20 15:02:13,293 INFO L226 Difference]: Without dead ends: 5705 [2024-11-20 15:02:13,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,294 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 70 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:13,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 219 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2024-11-20 15:02:13,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 5702. [2024-11-20 15:02:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5702 states, 5701 states have (on average 1.5835818277495177) internal successors, (9028), 5701 states have internal predecessors, (9028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5702 states to 5702 states and 9028 transitions. [2024-11-20 15:02:13,403 INFO L78 Accepts]: Start accepts. Automaton has 5702 states and 9028 transitions. Word has length 30 [2024-11-20 15:02:13,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:13,404 INFO L471 AbstractCegarLoop]: Abstraction has 5702 states and 9028 transitions. [2024-11-20 15:02:13,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5702 states and 9028 transitions. [2024-11-20 15:02:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 15:02:13,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:13,409 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:13,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 15:02:13,410 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:13,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:13,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1501169024, now seen corresponding path program 1 times [2024-11-20 15:02:13,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:13,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67806854] [2024-11-20 15:02:13,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:13,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:13,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:13,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67806854] [2024-11-20 15:02:13,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67806854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:13,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:13,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:13,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189574457] [2024-11-20 15:02:13,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:13,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:13,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,439 INFO L87 Difference]: Start difference. First operand 5702 states and 9028 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:13,479 INFO L93 Difference]: Finished difference Result 10249 states and 16454 transitions. [2024-11-20 15:02:13,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:13,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-20 15:02:13,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:13,500 INFO L225 Difference]: With dead ends: 10249 [2024-11-20 15:02:13,500 INFO L226 Difference]: Without dead ends: 10249 [2024-11-20 15:02:13,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,501 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 53 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:13,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 176 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10249 states. [2024-11-20 15:02:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10249 to 8198. [2024-11-20 15:02:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8198 states, 8197 states have (on average 1.5386116872026352) internal successors, (12612), 8197 states have internal predecessors, (12612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8198 states to 8198 states and 12612 transitions. [2024-11-20 15:02:13,673 INFO L78 Accepts]: Start accepts. Automaton has 8198 states and 12612 transitions. Word has length 30 [2024-11-20 15:02:13,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:13,673 INFO L471 AbstractCegarLoop]: Abstraction has 8198 states and 12612 transitions. [2024-11-20 15:02:13,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8198 states and 12612 transitions. [2024-11-20 15:02:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 15:02:13,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:13,683 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:13,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 15:02:13,683 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:13,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:13,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1104854530, now seen corresponding path program 1 times [2024-11-20 15:02:13,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:13,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95432864] [2024-11-20 15:02:13,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95432864] [2024-11-20 15:02:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95432864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:13,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:13,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:13,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278178559] [2024-11-20 15:02:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:13,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:13,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:13,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,711 INFO L87 Difference]: Start difference. First operand 8198 states and 12612 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:13,755 INFO L93 Difference]: Finished difference Result 11145 states and 17158 transitions. [2024-11-20 15:02:13,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:13,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-20 15:02:13,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:13,776 INFO L225 Difference]: With dead ends: 11145 [2024-11-20 15:02:13,776 INFO L226 Difference]: Without dead ends: 11145 [2024-11-20 15:02:13,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:13,778 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:13,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 222 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:13,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11145 states. [2024-11-20 15:02:13,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11145 to 11142. [2024-11-20 15:02:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11142 states, 11141 states have (on average 1.5398976752535678) internal successors, (17156), 11141 states have internal predecessors, (17156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11142 states to 11142 states and 17156 transitions. [2024-11-20 15:02:13,982 INFO L78 Accepts]: Start accepts. Automaton has 11142 states and 17156 transitions. Word has length 30 [2024-11-20 15:02:13,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:13,982 INFO L471 AbstractCegarLoop]: Abstraction has 11142 states and 17156 transitions. [2024-11-20 15:02:13,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 11142 states and 17156 transitions. [2024-11-20 15:02:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 15:02:13,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:13,993 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:13,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 15:02:13,993 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:13,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:13,994 INFO L85 PathProgramCache]: Analyzing trace with hash 715029737, now seen corresponding path program 1 times [2024-11-20 15:02:13,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:13,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720957811] [2024-11-20 15:02:13,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:13,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:14,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:14,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720957811] [2024-11-20 15:02:14,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720957811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:14,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:14,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:14,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112988176] [2024-11-20 15:02:14,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:14,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:14,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:14,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:14,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:14,026 INFO L87 Difference]: Start difference. First operand 11142 states and 17156 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:14,071 INFO L93 Difference]: Finished difference Result 11273 states and 17158 transitions. [2024-11-20 15:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:14,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-20 15:02:14,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:14,093 INFO L225 Difference]: With dead ends: 11273 [2024-11-20 15:02:14,094 INFO L226 Difference]: Without dead ends: 11273 [2024-11-20 15:02:14,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:14,095 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 69 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:14,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 215 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11273 states. [2024-11-20 15:02:14,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11273 to 11270. [2024-11-20 15:02:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11270 states, 11269 states have (on average 1.5224066021829799) internal successors, (17156), 11269 states have internal predecessors, (17156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:14,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11270 states to 11270 states and 17156 transitions. [2024-11-20 15:02:14,348 INFO L78 Accepts]: Start accepts. Automaton has 11270 states and 17156 transitions. Word has length 31 [2024-11-20 15:02:14,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:14,348 INFO L471 AbstractCegarLoop]: Abstraction has 11270 states and 17156 transitions. [2024-11-20 15:02:14,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 11270 states and 17156 transitions. [2024-11-20 15:02:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 15:02:14,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:14,361 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:14,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 15:02:14,362 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:14,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:14,362 INFO L85 PathProgramCache]: Analyzing trace with hash -102618713, now seen corresponding path program 1 times [2024-11-20 15:02:14,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:14,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227559420] [2024-11-20 15:02:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:14,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:14,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227559420] [2024-11-20 15:02:14,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227559420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:14,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:14,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:14,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945957401] [2024-11-20 15:02:14,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:14,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:14,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:14,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:14,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:14,400 INFO L87 Difference]: Start difference. First operand 11270 states and 17156 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:14,462 INFO L93 Difference]: Finished difference Result 19977 states and 30854 transitions. [2024-11-20 15:02:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:14,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-20 15:02:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:14,502 INFO L225 Difference]: With dead ends: 19977 [2024-11-20 15:02:14,502 INFO L226 Difference]: Without dead ends: 19977 [2024-11-20 15:02:14,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:14,503 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 50 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:14,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 174 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:14,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19977 states. [2024-11-20 15:02:14,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19977 to 16390. [2024-11-20 15:02:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16390 states, 16389 states have (on average 1.4763560925010677) internal successors, (24196), 16389 states have internal predecessors, (24196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16390 states to 16390 states and 24196 transitions. [2024-11-20 15:02:14,964 INFO L78 Accepts]: Start accepts. Automaton has 16390 states and 24196 transitions. Word has length 31 [2024-11-20 15:02:14,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:14,965 INFO L471 AbstractCegarLoop]: Abstraction has 16390 states and 24196 transitions. [2024-11-20 15:02:14,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 16390 states and 24196 transitions. [2024-11-20 15:02:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 15:02:15,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:15,096 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:15,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 15:02:15,097 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:15,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1791562455, now seen corresponding path program 1 times [2024-11-20 15:02:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:15,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74899855] [2024-11-20 15:02:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:15,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:15,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:15,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74899855] [2024-11-20 15:02:15,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74899855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:15,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:15,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:15,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138498656] [2024-11-20 15:02:15,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:15,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:15,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:15,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:15,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:15,135 INFO L87 Difference]: Start difference. First operand 16390 states and 24196 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:15,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:15,203 INFO L93 Difference]: Finished difference Result 22025 states and 32518 transitions. [2024-11-20 15:02:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:15,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-20 15:02:15,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:15,247 INFO L225 Difference]: With dead ends: 22025 [2024-11-20 15:02:15,247 INFO L226 Difference]: Without dead ends: 22025 [2024-11-20 15:02:15,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:15,248 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 66 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:15,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 223 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:15,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22025 states. [2024-11-20 15:02:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22025 to 22022. [2024-11-20 15:02:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22022 states, 22021 states have (on average 1.4765905272240134) internal successors, (32516), 22021 states have internal predecessors, (32516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22022 states to 22022 states and 32516 transitions. [2024-11-20 15:02:15,611 INFO L78 Accepts]: Start accepts. Automaton has 22022 states and 32516 transitions. Word has length 31 [2024-11-20 15:02:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:15,612 INFO L471 AbstractCegarLoop]: Abstraction has 22022 states and 32516 transitions. [2024-11-20 15:02:15,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 22022 states and 32516 transitions. [2024-11-20 15:02:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 15:02:15,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:15,637 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:15,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 15:02:15,637 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:15,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1120426989, now seen corresponding path program 1 times [2024-11-20 15:02:15,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:15,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506598845] [2024-11-20 15:02:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:15,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:15,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:15,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506598845] [2024-11-20 15:02:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506598845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:15,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:15,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:15,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983241608] [2024-11-20 15:02:15,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:15,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:15,661 INFO L87 Difference]: Start difference. First operand 22022 states and 32516 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:15,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:15,868 INFO L93 Difference]: Finished difference Result 22281 states and 32518 transitions. [2024-11-20 15:02:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:15,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2024-11-20 15:02:15,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:15,907 INFO L225 Difference]: With dead ends: 22281 [2024-11-20 15:02:15,907 INFO L226 Difference]: Without dead ends: 22281 [2024-11-20 15:02:15,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:15,908 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 68 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:15,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 211 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22281 states. [2024-11-20 15:02:16,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22281 to 22278. [2024-11-20 15:02:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22278 states, 22277 states have (on average 1.4596220316918795) internal successors, (32516), 22277 states have internal predecessors, (32516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22278 states to 22278 states and 32516 transitions. [2024-11-20 15:02:16,300 INFO L78 Accepts]: Start accepts. Automaton has 22278 states and 32516 transitions. Word has length 32 [2024-11-20 15:02:16,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:16,301 INFO L471 AbstractCegarLoop]: Abstraction has 22278 states and 32516 transitions. [2024-11-20 15:02:16,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22278 states and 32516 transitions. [2024-11-20 15:02:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 15:02:16,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:16,322 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:16,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 15:02:16,323 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:16,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 302778539, now seen corresponding path program 1 times [2024-11-20 15:02:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:16,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019907201] [2024-11-20 15:02:16,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:16,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:16,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:16,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019907201] [2024-11-20 15:02:16,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019907201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:16,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:16,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:16,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804934584] [2024-11-20 15:02:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:16,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:16,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:16,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:16,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:16,356 INFO L87 Difference]: Start difference. First operand 22278 states and 32516 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:16,598 INFO L93 Difference]: Finished difference Result 38921 states and 57606 transitions. [2024-11-20 15:02:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:16,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2024-11-20 15:02:16,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:16,702 INFO L225 Difference]: With dead ends: 38921 [2024-11-20 15:02:16,702 INFO L226 Difference]: Without dead ends: 38921 [2024-11-20 15:02:16,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:16,703 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 47 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:16,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 172 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38921 states. [2024-11-20 15:02:17,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38921 to 32774. [2024-11-20 15:02:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32774 states, 32773 states have (on average 1.4139688157934884) internal successors, (46340), 32773 states have internal predecessors, (46340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32774 states to 32774 states and 46340 transitions. [2024-11-20 15:02:17,228 INFO L78 Accepts]: Start accepts. Automaton has 32774 states and 46340 transitions. Word has length 32 [2024-11-20 15:02:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:17,228 INFO L471 AbstractCegarLoop]: Abstraction has 32774 states and 46340 transitions. [2024-11-20 15:02:17,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32774 states and 46340 transitions. [2024-11-20 15:02:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 15:02:17,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:17,252 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:17,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-20 15:02:17,252 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:17,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1386165203, now seen corresponding path program 1 times [2024-11-20 15:02:17,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:17,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763845461] [2024-11-20 15:02:17,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:17,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:17,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:17,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763845461] [2024-11-20 15:02:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763845461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:17,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:17,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:17,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173885106] [2024-11-20 15:02:17,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:17,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:17,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:17,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:17,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:17,275 INFO L87 Difference]: Start difference. First operand 32774 states and 46340 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:17,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:17,380 INFO L93 Difference]: Finished difference Result 43529 states and 61446 transitions. [2024-11-20 15:02:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:17,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2024-11-20 15:02:17,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:17,592 INFO L225 Difference]: With dead ends: 43529 [2024-11-20 15:02:17,596 INFO L226 Difference]: Without dead ends: 43529 [2024-11-20 15:02:17,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:17,601 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 65 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:17,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 224 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:17,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43529 states. [2024-11-20 15:02:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43529 to 43526. [2024-11-20 15:02:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43526 states, 43525 states have (on average 1.411694428489374) internal successors, (61444), 43525 states have internal predecessors, (61444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43526 states to 43526 states and 61444 transitions. [2024-11-20 15:02:18,391 INFO L78 Accepts]: Start accepts. Automaton has 43526 states and 61444 transitions. Word has length 32 [2024-11-20 15:02:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:18,391 INFO L471 AbstractCegarLoop]: Abstraction has 43526 states and 61444 transitions. [2024-11-20 15:02:18,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 43526 states and 61444 transitions. [2024-11-20 15:02:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 15:02:18,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:18,420 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:18,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 15:02:18,420 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:18,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:18,422 INFO L85 PathProgramCache]: Analyzing trace with hash 802850484, now seen corresponding path program 1 times [2024-11-20 15:02:18,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:18,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569512247] [2024-11-20 15:02:18,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:18,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:18,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:18,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569512247] [2024-11-20 15:02:18,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569512247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:18,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:18,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:18,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830434545] [2024-11-20 15:02:18,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:18,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:18,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:18,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:18,449 INFO L87 Difference]: Start difference. First operand 43526 states and 61444 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:18,744 INFO L93 Difference]: Finished difference Result 44041 states and 61446 transitions. [2024-11-20 15:02:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:18,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-20 15:02:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:18,828 INFO L225 Difference]: With dead ends: 44041 [2024-11-20 15:02:18,829 INFO L226 Difference]: Without dead ends: 44041 [2024-11-20 15:02:18,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:18,830 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 67 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:18,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 207 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44041 states. [2024-11-20 15:02:19,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44041 to 44038. [2024-11-20 15:02:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44038 states, 44037 states have (on average 1.395281240774803) internal successors, (61444), 44037 states have internal predecessors, (61444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44038 states to 44038 states and 61444 transitions. [2024-11-20 15:02:19,519 INFO L78 Accepts]: Start accepts. Automaton has 44038 states and 61444 transitions. Word has length 33 [2024-11-20 15:02:19,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:19,519 INFO L471 AbstractCegarLoop]: Abstraction has 44038 states and 61444 transitions. [2024-11-20 15:02:19,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 44038 states and 61444 transitions. [2024-11-20 15:02:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 15:02:19,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:19,553 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:19,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 15:02:19,554 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:19,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:19,554 INFO L85 PathProgramCache]: Analyzing trace with hash -14797966, now seen corresponding path program 1 times [2024-11-20 15:02:19,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:19,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650446316] [2024-11-20 15:02:19,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:19,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:19,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:19,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650446316] [2024-11-20 15:02:19,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650446316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:19,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:19,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:19,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930617103] [2024-11-20 15:02:19,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:19,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:19,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:19,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:19,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:19,587 INFO L87 Difference]: Start difference. First operand 44038 states and 61444 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:19,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:19,828 INFO L93 Difference]: Finished difference Result 86025 states and 116742 transitions. [2024-11-20 15:02:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:19,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-20 15:02:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:19,961 INFO L225 Difference]: With dead ends: 86025 [2024-11-20 15:02:19,962 INFO L226 Difference]: Without dead ends: 86025 [2024-11-20 15:02:19,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:19,964 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 65 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:19,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86025 states. [2024-11-20 15:02:21,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86025 to 86022. [2024-11-20 15:02:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86022 states, 86021 states have (on average 1.357110473024029) internal successors, (116740), 86021 states have internal predecessors, (116740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86022 states to 86022 states and 116740 transitions. [2024-11-20 15:02:21,312 INFO L78 Accepts]: Start accepts. Automaton has 86022 states and 116740 transitions. Word has length 33 [2024-11-20 15:02:21,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:21,313 INFO L471 AbstractCegarLoop]: Abstraction has 86022 states and 116740 transitions. [2024-11-20 15:02:21,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 86022 states and 116740 transitions. [2024-11-20 15:02:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 15:02:21,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:21,373 INFO L215 NwaCegarLoop]: 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] [2024-11-20 15:02:21,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 15:02:21,373 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:21,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:21,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1674145776, now seen corresponding path program 1 times [2024-11-20 15:02:21,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:21,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935298843] [2024-11-20 15:02:21,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:21,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:21,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:21,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935298843] [2024-11-20 15:02:21,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935298843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:21,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:21,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:21,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188208224] [2024-11-20 15:02:21,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:21,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:21,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:21,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:21,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:21,399 INFO L87 Difference]: Start difference. First operand 86022 states and 116740 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:22,001 INFO L93 Difference]: Finished difference Result 96265 states and 134150 transitions. [2024-11-20 15:02:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:22,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-20 15:02:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:22,122 INFO L225 Difference]: With dead ends: 96265 [2024-11-20 15:02:22,123 INFO L226 Difference]: Without dead ends: 96265 [2024-11-20 15:02:22,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:22,123 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 44 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:22,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 223 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:22,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96265 states. [2024-11-20 15:02:23,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96265 to 86022. [2024-11-20 15:02:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86022 states, 86021 states have (on average 1.345206403087618) internal successors, (115716), 86021 states have internal predecessors, (115716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86022 states to 86022 states and 115716 transitions. [2024-11-20 15:02:23,345 INFO L78 Accepts]: Start accepts. Automaton has 86022 states and 115716 transitions. Word has length 33 [2024-11-20 15:02:23,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:23,346 INFO L471 AbstractCegarLoop]: Abstraction has 86022 states and 115716 transitions. [2024-11-20 15:02:23,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 86022 states and 115716 transitions. [2024-11-20 15:02:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 15:02:23,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:23,394 INFO L215 NwaCegarLoop]: 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, 1] [2024-11-20 15:02:23,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-20 15:02:23,394 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:23,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:23,395 INFO L85 PathProgramCache]: Analyzing trace with hash -452076008, now seen corresponding path program 1 times [2024-11-20 15:02:23,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:23,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861798698] [2024-11-20 15:02:23,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:23,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:23,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:23,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861798698] [2024-11-20 15:02:23,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861798698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:23,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:23,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:23,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001752606] [2024-11-20 15:02:23,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:23,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:23,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:23,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:23,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:23,429 INFO L87 Difference]: Start difference. First operand 86022 states and 115716 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:24,159 INFO L93 Difference]: Finished difference Result 146441 states and 198662 transitions. [2024-11-20 15:02:24,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:24,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) Word has length 34 [2024-11-20 15:02:24,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:24,321 INFO L225 Difference]: With dead ends: 146441 [2024-11-20 15:02:24,321 INFO L226 Difference]: Without dead ends: 146441 [2024-11-20 15:02:24,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:24,322 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 41 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:24,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 168 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:24,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146441 states. [2024-11-20 15:02:25,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146441 to 130054. [2024-11-20 15:02:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130054 states, 130053 states have (on average 1.3070671187900318) internal successors, (169988), 130053 states have internal predecessors, (169988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130054 states to 130054 states and 169988 transitions. [2024-11-20 15:02:26,292 INFO L78 Accepts]: Start accepts. Automaton has 130054 states and 169988 transitions. Word has length 34 [2024-11-20 15:02:26,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:26,292 INFO L471 AbstractCegarLoop]: Abstraction has 130054 states and 169988 transitions. [2024-11-20 15:02:26,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 130054 states and 169988 transitions. [2024-11-20 15:02:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 15:02:26,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:26,348 INFO L215 NwaCegarLoop]: 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, 1] [2024-11-20 15:02:26,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-20 15:02:26,349 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:26,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:26,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2141019750, now seen corresponding path program 1 times [2024-11-20 15:02:26,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:26,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090735319] [2024-11-20 15:02:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:26,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:26,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:26,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090735319] [2024-11-20 15:02:26,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090735319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:26,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:26,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:26,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444829933] [2024-11-20 15:02:26,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:26,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:26,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:26,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:26,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:26,371 INFO L87 Difference]: Start difference. First operand 130054 states and 169988 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:26,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:26,731 INFO L93 Difference]: Finished difference Result 168969 states and 219142 transitions. [2024-11-20 15:02:26,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:26,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) Word has length 34 [2024-11-20 15:02:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:26,916 INFO L225 Difference]: With dead ends: 168969 [2024-11-20 15:02:26,916 INFO L226 Difference]: Without dead ends: 168969 [2024-11-20 15:02:26,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:26,917 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 63 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:26,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 226 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168969 states. [2024-11-20 15:02:29,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168969 to 168966. [2024-11-20 15:02:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168966 states, 168965 states have (on average 1.296954990678543) internal successors, (219140), 168965 states have internal predecessors, (219140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168966 states to 168966 states and 219140 transitions. [2024-11-20 15:02:29,657 INFO L78 Accepts]: Start accepts. Automaton has 168966 states and 219140 transitions. Word has length 34 [2024-11-20 15:02:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:29,657 INFO L471 AbstractCegarLoop]: Abstraction has 168966 states and 219140 transitions. [2024-11-20 15:02:29,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 168966 states and 219140 transitions. [2024-11-20 15:02:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 15:02:30,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:30,398 INFO L215 NwaCegarLoop]: 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, 1, 1] [2024-11-20 15:02:30,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-20 15:02:30,398 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:30,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1122782851, now seen corresponding path program 1 times [2024-11-20 15:02:30,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:30,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982317895] [2024-11-20 15:02:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:30,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:30,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:30,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982317895] [2024-11-20 15:02:30,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982317895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:30,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:30,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158796667] [2024-11-20 15:02:30,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:30,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:30,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:30,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:30,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:30,478 INFO L87 Difference]: Start difference. First operand 168966 states and 219140 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:30,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:30,946 INFO L93 Difference]: Finished difference Result 172041 states and 221190 transitions. [2024-11-20 15:02:30,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:30,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2024-11-20 15:02:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:31,153 INFO L225 Difference]: With dead ends: 172041 [2024-11-20 15:02:31,153 INFO L226 Difference]: Without dead ends: 172041 [2024-11-20 15:02:31,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:31,154 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 65 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:31,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 199 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172041 states. [2024-11-20 15:02:33,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172041 to 172038. [2024-11-20 15:02:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172038 states, 172037 states have (on average 1.2857001691496597) internal successors, (221188), 172037 states have internal predecessors, (221188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172038 states to 172038 states and 221188 transitions. [2024-11-20 15:02:33,817 INFO L78 Accepts]: Start accepts. Automaton has 172038 states and 221188 transitions. Word has length 35 [2024-11-20 15:02:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:33,817 INFO L471 AbstractCegarLoop]: Abstraction has 172038 states and 221188 transitions. [2024-11-20 15:02:33,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 172038 states and 221188 transitions. [2024-11-20 15:02:33,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 15:02:33,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:33,934 INFO L215 NwaCegarLoop]: 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, 1, 1] [2024-11-20 15:02:33,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-20 15:02:33,934 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:33,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:33,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1940431301, now seen corresponding path program 1 times [2024-11-20 15:02:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:33,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11039261] [2024-11-20 15:02:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:33,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:33,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11039261] [2024-11-20 15:02:33,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11039261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:33,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:33,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:33,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320304797] [2024-11-20 15:02:33,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:33,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:33,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:33,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:33,960 INFO L87 Difference]: Start difference. First operand 172038 states and 221188 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:35,585 INFO L93 Difference]: Finished difference Result 286729 states and 368646 transitions. [2024-11-20 15:02:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:35,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2024-11-20 15:02:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:36,032 INFO L225 Difference]: With dead ends: 286729 [2024-11-20 15:02:36,032 INFO L226 Difference]: Without dead ends: 286729 [2024-11-20 15:02:36,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:36,033 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 38 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:36,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 166 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286729 states. [2024-11-20 15:02:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286729 to 262150. [2024-11-20 15:02:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262150 states, 262149 states have (on average 1.2499914170948583) internal successors, (327684), 262149 states have internal predecessors, (327684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262150 states to 262150 states and 327684 transitions. [2024-11-20 15:02:40,031 INFO L78 Accepts]: Start accepts. Automaton has 262150 states and 327684 transitions. Word has length 35 [2024-11-20 15:02:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:40,031 INFO L471 AbstractCegarLoop]: Abstraction has 262150 states and 327684 transitions. [2024-11-20 15:02:40,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 262150 states and 327684 transitions. [2024-11-20 15:02:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 15:02:40,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:40,261 INFO L215 NwaCegarLoop]: 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, 1, 1] [2024-11-20 15:02:40,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-20 15:02:40,261 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:40,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:40,262 INFO L85 PathProgramCache]: Analyzing trace with hash 665592253, now seen corresponding path program 1 times [2024-11-20 15:02:40,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:40,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642762172] [2024-11-20 15:02:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:40,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:40,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:40,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642762172] [2024-11-20 15:02:40,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642762172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:40,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:40,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:40,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758051005] [2024-11-20 15:02:40,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:40,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:40,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:40,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:40,293 INFO L87 Difference]: Start difference. First operand 262150 states and 327684 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:42,168 INFO L93 Difference]: Finished difference Result 335881 states and 413702 transitions. [2024-11-20 15:02:42,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:42,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2024-11-20 15:02:42,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:42,582 INFO L225 Difference]: With dead ends: 335881 [2024-11-20 15:02:42,582 INFO L226 Difference]: Without dead ends: 335881 [2024-11-20 15:02:42,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:42,583 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 62 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:42,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 227 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:42,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335881 states. [2024-11-20 15:02:45,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335881 to 335878. [2024-11-20 15:02:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335878 states, 335877 states have (on average 1.2317008905045597) internal successors, (413700), 335877 states have internal predecessors, (413700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335878 states to 335878 states and 413700 transitions. [2024-11-20 15:02:46,741 INFO L78 Accepts]: Start accepts. Automaton has 335878 states and 413700 transitions. Word has length 35 [2024-11-20 15:02:46,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 15:02:46,741 INFO L471 AbstractCegarLoop]: Abstraction has 335878 states and 413700 transitions. [2024-11-20 15:02:46,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 335878 states and 413700 transitions. [2024-11-20 15:02:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-20 15:02:46,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 15:02:46,936 INFO L215 NwaCegarLoop]: 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, 1, 1, 1] [2024-11-20 15:02:46,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-20 15:02:46,936 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 15:02:46,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 15:02:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash -17146107, now seen corresponding path program 1 times [2024-11-20 15:02:46,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 15:02:46,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630187713] [2024-11-20 15:02:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 15:02:46,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 15:02:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 15:02:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 15:02:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 15:02:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630187713] [2024-11-20 15:02:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630187713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 15:02:46,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 15:02:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 15:02:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236858658] [2024-11-20 15:02:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 15:02:46,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 15:02:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 15:02:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 15:02:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:46,962 INFO L87 Difference]: Start difference. First operand 335878 states and 413700 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 15:02:48,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 15:02:48,807 INFO L93 Difference]: Finished difference Result 339977 states and 413702 transitions. [2024-11-20 15:02:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 15:02:48,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-20 15:02:48,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 15:02:49,186 INFO L225 Difference]: With dead ends: 339977 [2024-11-20 15:02:49,186 INFO L226 Difference]: Without dead ends: 339977 [2024-11-20 15:02:49,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 15:02:49,187 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 64 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 15:02:49,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 195 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 15:02:49,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339977 states.