./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:10:40,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:10:40,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:10:40,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:10:40,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:10:40,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:10:40,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:10:40,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:10:40,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:10:40,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:10:40,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:10:40,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:10:40,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:10:40,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:10:40,473 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:10:40,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:10:40,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:10:40,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:10:40,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:10:40,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:10:40,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:10:40,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:10:40,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:10:40,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:10:40,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:10:40,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:10:40,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:10:40,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:10:40,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:10:40,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:10:40,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:10:40,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:10:40,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:10:40,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:10:40,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:10:40,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:10:40,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:10:40,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:10:40,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2024-10-14 21:10:40,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:10:40,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:10:40,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:10:40,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:10:40,693 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:10:40,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2024-10-14 21:10:42,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:10:42,157 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:10:42,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2024-10-14 21:10:42,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95375f590/6f3956174c474b27bb1072826c4bfae4/FLAG5f881b554 [2024-10-14 21:10:42,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95375f590/6f3956174c474b27bb1072826c4bfae4 [2024-10-14 21:10:42,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:10:42,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:10:42,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:10:42,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:10:42,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:10:42,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4454f2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42, skipping insertion in model container [2024-10-14 21:10:42,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:10:42,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:10:42,365 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:10:42,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:10:42,404 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:10:42,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42 WrapperNode [2024-10-14 21:10:42,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:10:42,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:10:42,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:10:42,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:10:42,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,428 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-10-14 21:10:42,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:10:42,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:10:42,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:10:42,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:10:42,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,451 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 21:10:42,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:10:42,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:10:42,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:10:42,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:10:42,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (1/1) ... [2024-10-14 21:10:42,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:10:42,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:42,491 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) [2024-10-14 21:10:42,493 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 [2024-10-14 21:10:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:10:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-10-14 21:10:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-10-14 21:10:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-10-14 21:10:42,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-10-14 21:10:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:10:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:10:42,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:10:42,576 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:10:42,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:10:42,723 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-14 21:10:42,723 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:10:42,749 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:10:42,749 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 21:10:42,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:10:42 BoogieIcfgContainer [2024-10-14 21:10:42,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:10:42,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:10:42,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:10:42,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:10:42,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:10:42" (1/3) ... [2024-10-14 21:10:42,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:10:42, skipping insertion in model container [2024-10-14 21:10:42,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:42" (2/3) ... [2024-10-14 21:10:42,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:10:42, skipping insertion in model container [2024-10-14 21:10:42,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:10:42" (3/3) ... [2024-10-14 21:10:42,758 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-10-14 21:10:42,772 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:10:42,773 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-14 21:10:42,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:10:42,820 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=LoopHeads, 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;@17f26a2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:10:42,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-14 21:10:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:10:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 21:10:42,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:42,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 21:10:42,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:42,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1272074397, now seen corresponding path program 1 times [2024-10-14 21:10:42,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:42,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853771253] [2024-10-14 21:10:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:42,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:43,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853771253] [2024-10-14 21:10:43,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853771253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:43,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:43,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:10:43,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486629401] [2024-10-14 21:10:43,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:43,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:10:43,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:43,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:10:43,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:10:43,073 INFO L87 Difference]: Start difference. First operand has 44 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:43,130 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2024-10-14 21:10:43,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:10:43,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 21:10:43,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:43,137 INFO L225 Difference]: With dead ends: 77 [2024-10-14 21:10:43,137 INFO L226 Difference]: Without dead ends: 65 [2024-10-14 21:10:43,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:10:43,141 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 31 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:43,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 125 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-14 21:10:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46. [2024-10-14 21:10:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 39 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 21:10:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2024-10-14 21:10:43,170 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 6 [2024-10-14 21:10:43,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:43,171 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2024-10-14 21:10:43,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-10-14 21:10:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 21:10:43,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:43,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:43,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:10:43,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1602185061, now seen corresponding path program 1 times [2024-10-14 21:10:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249254458] [2024-10-14 21:10:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:43,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:43,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249254458] [2024-10-14 21:10:43,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249254458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:43,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:43,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:10:43,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696533520] [2024-10-14 21:10:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:43,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:43,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:43,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:43,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:10:43,235 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:43,311 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2024-10-14 21:10:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:10:43,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-14 21:10:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:43,312 INFO L225 Difference]: With dead ends: 77 [2024-10-14 21:10:43,312 INFO L226 Difference]: Without dead ends: 54 [2024-10-14 21:10:43,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:10:43,314 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 16 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:43,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 134 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-14 21:10:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2024-10-14 21:10:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 43 states have internal predecessors, (46), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 21:10:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-10-14 21:10:43,333 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 8 [2024-10-14 21:10:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:43,333 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-10-14 21:10:43,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-10-14 21:10:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 21:10:43,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:43,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:43,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:10:43,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:43,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:43,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1871870619, now seen corresponding path program 1 times [2024-10-14 21:10:43,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:43,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263842690] [2024-10-14 21:10:43,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:43,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:43,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263842690] [2024-10-14 21:10:43,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263842690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:43,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:43,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:10:43,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295410339] [2024-10-14 21:10:43,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:43,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:43,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:43,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:43,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:10:43,425 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:43,483 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2024-10-14 21:10:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:10:43,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-14 21:10:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:43,485 INFO L225 Difference]: With dead ends: 54 [2024-10-14 21:10:43,485 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 21:10:43,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:10:43,487 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:43,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 101 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:43,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 21:10:43,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2024-10-14 21:10:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.4) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 21:10:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-10-14 21:10:43,501 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 9 [2024-10-14 21:10:43,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:43,501 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-10-14 21:10:43,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-10-14 21:10:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 21:10:43,502 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:43,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:43,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:10:43,503 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:43,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash -371390904, now seen corresponding path program 1 times [2024-10-14 21:10:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:43,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909190700] [2024-10-14 21:10:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:43,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:43,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909190700] [2024-10-14 21:10:43,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909190700] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:43,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698933236] [2024-10-14 21:10:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:43,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:43,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:43,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:43,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:10:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:43,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:10:43,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:43,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:10:43,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698933236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:43,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:10:43,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-14 21:10:43,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529234017] [2024-10-14 21:10:43,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:43,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:43,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:43,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:43,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:10:43,777 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:43,798 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2024-10-14 21:10:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:10:43,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-14 21:10:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:43,799 INFO L225 Difference]: With dead ends: 50 [2024-10-14 21:10:43,799 INFO L226 Difference]: Without dead ends: 49 [2024-10-14 21:10:43,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:10:43,800 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 35 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:43,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 108 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-14 21:10:43,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-14 21:10:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 40 states have internal predecessors, (41), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 21:10:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2024-10-14 21:10:43,806 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 13 [2024-10-14 21:10:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:43,806 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-10-14 21:10:43,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-10-14 21:10:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 21:10:43,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:43,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:43,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:10:44,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:44,012 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:44,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:44,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1371783902, now seen corresponding path program 1 times [2024-10-14 21:10:44,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:44,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211579567] [2024-10-14 21:10:44,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:44,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:44,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:44,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211579567] [2024-10-14 21:10:44,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211579567] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:44,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038672640] [2024-10-14 21:10:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:44,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:44,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:44,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:44,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:10:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:44,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:10:44,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:44,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:44,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038672640] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:44,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:44,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-14 21:10:44,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074963162] [2024-10-14 21:10:44,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:44,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:10:44,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:44,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:10:44,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:10:44,274 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:44,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:44,437 INFO L93 Difference]: Finished difference Result 156 states and 188 transitions. [2024-10-14 21:10:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:10:44,437 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-14 21:10:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:44,439 INFO L225 Difference]: With dead ends: 156 [2024-10-14 21:10:44,442 INFO L226 Difference]: Without dead ends: 155 [2024-10-14 21:10:44,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:10:44,443 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 151 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:44,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 251 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:44,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-14 21:10:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 88. [2024-10-14 21:10:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.305084745762712) internal successors, (77), 71 states have internal predecessors, (77), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2024-10-14 21:10:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2024-10-14 21:10:44,460 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 14 [2024-10-14 21:10:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:44,460 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2024-10-14 21:10:44,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2024-10-14 21:10:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 21:10:44,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:44,461 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:44,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:10:44,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:44,665 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:44,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:44,665 INFO L85 PathProgramCache]: Analyzing trace with hash -424371958, now seen corresponding path program 1 times [2024-10-14 21:10:44,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:44,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857350686] [2024-10-14 21:10:44,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:44,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:44,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:44,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857350686] [2024-10-14 21:10:44,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857350686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:44,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351705262] [2024-10-14 21:10:44,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:44,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:44,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:44,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:44,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:10:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:44,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:10:44,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:44,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:44,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351705262] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:44,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:44,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-14 21:10:44,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655919407] [2024-10-14 21:10:44,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:44,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:10:44,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:44,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:10:44,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:10:44,811 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:44,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:44,902 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2024-10-14 21:10:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 21:10:44,903 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-14 21:10:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:44,904 INFO L225 Difference]: With dead ends: 94 [2024-10-14 21:10:44,904 INFO L226 Difference]: Without dead ends: 92 [2024-10-14 21:10:44,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:10:44,906 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 34 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:44,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 192 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:44,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-14 21:10:44,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-10-14 21:10:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 72 states have internal predecessors, (74), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2024-10-14 21:10:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2024-10-14 21:10:44,938 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 15 [2024-10-14 21:10:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:44,938 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2024-10-14 21:10:44,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2024-10-14 21:10:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 21:10:44,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:44,940 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:44,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 21:10:45,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:45,145 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:45,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:45,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1375829865, now seen corresponding path program 1 times [2024-10-14 21:10:45,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:45,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139340765] [2024-10-14 21:10:45,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:45,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:45,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:45,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139340765] [2024-10-14 21:10:45,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139340765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:45,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:45,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 21:10:45,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323453527] [2024-10-14 21:10:45,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:45,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:10:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:45,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:10:45,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:10:45,218 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 6 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:10:45,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:45,307 INFO L93 Difference]: Finished difference Result 112 states and 139 transitions. [2024-10-14 21:10:45,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:10:45,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-10-14 21:10:45,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:45,309 INFO L225 Difference]: With dead ends: 112 [2024-10-14 21:10:45,309 INFO L226 Difference]: Without dead ends: 107 [2024-10-14 21:10:45,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:10:45,310 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 68 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:45,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 75 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:45,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-14 21:10:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102. [2024-10-14 21:10:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 80 states have internal predecessors, (87), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-10-14 21:10:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 134 transitions. [2024-10-14 21:10:45,332 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 134 transitions. Word has length 27 [2024-10-14 21:10:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:45,332 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 134 transitions. [2024-10-14 21:10:45,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:10:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2024-10-14 21:10:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 21:10:45,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:45,333 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:45,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 21:10:45,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:45,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:45,334 INFO L85 PathProgramCache]: Analyzing trace with hash -298947087, now seen corresponding path program 1 times [2024-10-14 21:10:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:45,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643132121] [2024-10-14 21:10:45,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:45,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 21:10:45,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:45,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643132121] [2024-10-14 21:10:45,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643132121] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:45,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911154547] [2024-10-14 21:10:45,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:45,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:45,487 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:45,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:10:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 21:10:45,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:45,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:10:45,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911154547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:45,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:10:45,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-10-14 21:10:45,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639720157] [2024-10-14 21:10:45,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:45,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:45,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:45,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:45,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-10-14 21:10:45,566 INFO L87 Difference]: Start difference. First operand 102 states and 134 transitions. Second operand has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:10:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:45,599 INFO L93 Difference]: Finished difference Result 104 states and 137 transitions. [2024-10-14 21:10:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:10:45,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-10-14 21:10:45,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:45,600 INFO L225 Difference]: With dead ends: 104 [2024-10-14 21:10:45,601 INFO L226 Difference]: Without dead ends: 103 [2024-10-14 21:10:45,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:10:45,602 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 27 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:45,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 97 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:45,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-14 21:10:45,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-10-14 21:10:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 79 states have internal predecessors, (85), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-10-14 21:10:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2024-10-14 21:10:45,622 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 28 [2024-10-14 21:10:45,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:45,622 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-10-14 21:10:45,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:10:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2024-10-14 21:10:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 21:10:45,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:45,623 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:45,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:10:45,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:45,828 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:45,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:45,828 INFO L85 PathProgramCache]: Analyzing trace with hash 882960356, now seen corresponding path program 1 times [2024-10-14 21:10:45,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:45,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406487852] [2024-10-14 21:10:45,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:45,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:45,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406487852] [2024-10-14 21:10:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406487852] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741541889] [2024-10-14 21:10:45,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:45,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:45,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:45,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:45,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:10:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:45,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:10:45,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:45,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:46,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741541889] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:46,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:46,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-10-14 21:10:46,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475289954] [2024-10-14 21:10:46,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:46,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 21:10:46,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 21:10:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-14 21:10:46,005 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 13 states, 10 states have (on average 2.8) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 21:10:46,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:46,236 INFO L93 Difference]: Finished difference Result 162 states and 195 transitions. [2024-10-14 21:10:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 21:10:46,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.8) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2024-10-14 21:10:46,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:46,237 INFO L225 Difference]: With dead ends: 162 [2024-10-14 21:10:46,237 INFO L226 Difference]: Without dead ends: 161 [2024-10-14 21:10:46,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-10-14 21:10:46,238 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 224 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:46,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 144 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:46,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-14 21:10:46,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2024-10-14 21:10:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 109 states have internal predecessors, (130), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2024-10-14 21:10:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2024-10-14 21:10:46,250 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 32 [2024-10-14 21:10:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:46,251 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2024-10-14 21:10:46,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.8) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 21:10:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2024-10-14 21:10:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-14 21:10:46,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:46,252 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:46,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 21:10:46,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:46,453 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:46,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:46,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1891804754, now seen corresponding path program 1 times [2024-10-14 21:10:46,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:46,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348268670] [2024-10-14 21:10:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:46,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:46,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:46,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:46,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 21:10:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-14 21:10:46,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:46,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348268670] [2024-10-14 21:10:46,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348268670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:46,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:46,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 21:10:46,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452927968] [2024-10-14 21:10:46,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:46,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:10:46,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:46,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:10:46,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:10:46,502 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 21:10:46,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:46,571 INFO L93 Difference]: Finished difference Result 174 states and 236 transitions. [2024-10-14 21:10:46,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:10:46,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-10-14 21:10:46,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:46,572 INFO L225 Difference]: With dead ends: 174 [2024-10-14 21:10:46,572 INFO L226 Difference]: Without dead ends: 163 [2024-10-14 21:10:46,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:10:46,573 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 49 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:46,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 76 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:46,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-14 21:10:46,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-10-14 21:10:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 131 states have internal predecessors, (152), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39) [2024-10-14 21:10:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 209 transitions. [2024-10-14 21:10:46,585 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 209 transitions. Word has length 35 [2024-10-14 21:10:46,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:46,585 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 209 transitions. [2024-10-14 21:10:46,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 21:10:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 209 transitions. [2024-10-14 21:10:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-14 21:10:46,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:46,587 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-14 21:10:46,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 21:10:46,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:46,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:46,587 INFO L85 PathProgramCache]: Analyzing trace with hash -441273245, now seen corresponding path program 2 times [2024-10-14 21:10:46,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:46,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441570755] [2024-10-14 21:10:46,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:46,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:46,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:46,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441570755] [2024-10-14 21:10:46,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441570755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:46,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596503407] [2024-10-14 21:10:46,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:10:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:46,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:46,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:10:46,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:10:46,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:46,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 21:10:46,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:46,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:47,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596503407] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:47,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-10-14 21:10:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239094425] [2024-10-14 21:10:47,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:47,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 21:10:47,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:47,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 21:10:47,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-14 21:10:47,218 INFO L87 Difference]: Start difference. First operand 163 states and 209 transitions. Second operand has 24 states, 23 states have (on average 2.782608695652174) internal successors, (64), 24 states have internal predecessors, (64), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:47,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:47,697 INFO L93 Difference]: Finished difference Result 1094 states and 1448 transitions. [2024-10-14 21:10:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 21:10:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.782608695652174) internal successors, (64), 24 states have internal predecessors, (64), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-10-14 21:10:47,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:47,702 INFO L225 Difference]: With dead ends: 1094 [2024-10-14 21:10:47,702 INFO L226 Difference]: Without dead ends: 1093 [2024-10-14 21:10:47,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 21:10:47,703 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 378 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:47,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 477 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:10:47,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2024-10-14 21:10:47,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 265. [2024-10-14 21:10:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.1734693877551021) internal successors, (230), 209 states have internal predecessors, (230), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2024-10-14 21:10:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 434 transitions. [2024-10-14 21:10:47,731 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 434 transitions. Word has length 35 [2024-10-14 21:10:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:47,731 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 434 transitions. [2024-10-14 21:10:47,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.782608695652174) internal successors, (64), 24 states have internal predecessors, (64), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 434 transitions. [2024-10-14 21:10:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 21:10:47,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:47,733 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:47,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 21:10:47,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:47,937 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:47,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:47,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1872817879, now seen corresponding path program 2 times [2024-10-14 21:10:47,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:47,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674948705] [2024-10-14 21:10:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:48,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 21:10:48,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:48,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674948705] [2024-10-14 21:10:48,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674948705] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:48,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658949958] [2024-10-14 21:10:48,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:10:48,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:48,133 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:48,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:10:48,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:10:48,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:48,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:10:48,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:48,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:10:48,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658949958] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:48,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:48,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2024-10-14 21:10:48,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705711797] [2024-10-14 21:10:48,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:48,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-14 21:10:48,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:48,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-14 21:10:48,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-10-14 21:10:48,376 INFO L87 Difference]: Start difference. First operand 265 states and 434 transitions. Second operand has 30 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 19 states have internal predecessors, (65), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-14 21:10:49,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:49,054 INFO L93 Difference]: Finished difference Result 420 states and 584 transitions. [2024-10-14 21:10:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-14 21:10:49,055 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 19 states have internal predecessors, (65), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 47 [2024-10-14 21:10:49,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:49,057 INFO L225 Difference]: With dead ends: 420 [2024-10-14 21:10:49,057 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 21:10:49,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=560, Invalid=2410, Unknown=0, NotChecked=0, Total=2970 [2024-10-14 21:10:49,058 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 807 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:49,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 76 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:10:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 21:10:49,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 379. [2024-10-14 21:10:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 292 states have (on average 1.2191780821917808) internal successors, (356), 305 states have internal predecessors, (356), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2024-10-14 21:10:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 578 transitions. [2024-10-14 21:10:49,129 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 578 transitions. Word has length 47 [2024-10-14 21:10:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:49,132 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 578 transitions. [2024-10-14 21:10:49,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 19 states have internal predecessors, (65), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-14 21:10:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 578 transitions. [2024-10-14 21:10:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 21:10:49,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:49,134 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:49,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:10:49,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:49,335 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:49,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash -688003052, now seen corresponding path program 1 times [2024-10-14 21:10:49,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:49,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183883022] [2024-10-14 21:10:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:49,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 21:10:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:10:49,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:49,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183883022] [2024-10-14 21:10:49,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183883022] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:49,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196071841] [2024-10-14 21:10:49,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:49,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:49,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:49,569 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:49,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:10:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:49,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:10:49,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 21:10:49,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:10:49,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196071841] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:49,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:49,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2024-10-14 21:10:49,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740599113] [2024-10-14 21:10:49,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:49,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 21:10:49,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:49,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 21:10:49,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-10-14 21:10:49,959 INFO L87 Difference]: Start difference. First operand 379 states and 578 transitions. Second operand has 28 states, 26 states have (on average 2.923076923076923) internal successors, (76), 23 states have internal predecessors, (76), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2024-10-14 21:10:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:50,421 INFO L93 Difference]: Finished difference Result 1031 states and 1754 transitions. [2024-10-14 21:10:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 21:10:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 2.923076923076923) internal successors, (76), 23 states have internal predecessors, (76), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) Word has length 47 [2024-10-14 21:10:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:50,425 INFO L225 Difference]: With dead ends: 1031 [2024-10-14 21:10:50,425 INFO L226 Difference]: Without dead ends: 677 [2024-10-14 21:10:50,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=1619, Unknown=0, NotChecked=0, Total=1892 [2024-10-14 21:10:50,433 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 167 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:50,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 143 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:10:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-10-14 21:10:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 643. [2024-10-14 21:10:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 497 states have (on average 1.1911468812877264) internal successors, (592), 507 states have internal predecessors, (592), 91 states have call successors, (91), 52 states have call predecessors, (91), 49 states have return successors, (238), 83 states have call predecessors, (238), 70 states have call successors, (238) [2024-10-14 21:10:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 921 transitions. [2024-10-14 21:10:50,483 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 921 transitions. Word has length 47 [2024-10-14 21:10:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:50,483 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 921 transitions. [2024-10-14 21:10:50,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 2.923076923076923) internal successors, (76), 23 states have internal predecessors, (76), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2024-10-14 21:10:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 921 transitions. [2024-10-14 21:10:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 21:10:50,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:50,485 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:50,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 21:10:50,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 21:10:50,686 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:50,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1338570697, now seen corresponding path program 3 times [2024-10-14 21:10:50,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:50,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455591895] [2024-10-14 21:10:50,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:50,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:51,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:51,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 21:10:51,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:51,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455591895] [2024-10-14 21:10:51,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455591895] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:51,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910464809] [2024-10-14 21:10:51,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:10:51,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:51,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:51,146 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:51,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:10:51,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-14 21:10:51,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:51,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 21:10:51,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-10-14 21:10:51,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-10-14 21:10:51,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910464809] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:51,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:51,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 9, 10] total 39 [2024-10-14 21:10:51,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679905319] [2024-10-14 21:10:51,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:51,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-14 21:10:51,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:51,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-14 21:10:51,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1251, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 21:10:51,448 INFO L87 Difference]: Start difference. First operand 643 states and 921 transitions. Second operand has 39 states, 37 states have (on average 2.4324324324324325) internal successors, (90), 25 states have internal predecessors, (90), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-14 21:10:52,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:52,360 INFO L93 Difference]: Finished difference Result 878 states and 1128 transitions. [2024-10-14 21:10:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-14 21:10:52,360 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 2.4324324324324325) internal successors, (90), 25 states have internal predecessors, (90), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) Word has length 77 [2024-10-14 21:10:52,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:52,364 INFO L225 Difference]: With dead ends: 878 [2024-10-14 21:10:52,364 INFO L226 Difference]: Without dead ends: 712 [2024-10-14 21:10:52,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 148 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=803, Invalid=3889, Unknown=0, NotChecked=0, Total=4692 [2024-10-14 21:10:52,366 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 756 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:52,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 110 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:10:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-10-14 21:10:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 666. [2024-10-14 21:10:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 520 states have (on average 1.1884615384615385) internal successors, (618), 520 states have internal predecessors, (618), 90 states have call successors, (90), 61 states have call predecessors, (90), 50 states have return successors, (222), 84 states have call predecessors, (222), 70 states have call successors, (222) [2024-10-14 21:10:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 930 transitions. [2024-10-14 21:10:52,413 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 930 transitions. Word has length 77 [2024-10-14 21:10:52,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:52,414 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 930 transitions. [2024-10-14 21:10:52,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 2.4324324324324325) internal successors, (90), 25 states have internal predecessors, (90), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-14 21:10:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 930 transitions. [2024-10-14 21:10:52,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 21:10:52,416 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:52,416 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-14 21:10:52,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 21:10:52,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 21:10:52,620 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:52,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:52,620 INFO L85 PathProgramCache]: Analyzing trace with hash -111242429, now seen corresponding path program 3 times [2024-10-14 21:10:52,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:52,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438517876] [2024-10-14 21:10:52,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:53,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:53,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438517876] [2024-10-14 21:10:53,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438517876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:53,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400311468] [2024-10-14 21:10:53,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:10:53,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:53,090 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:53,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:10:53,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-14 21:10:53,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:53,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-14 21:10:53,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:53,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:53,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400311468] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:53,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:53,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-10-14 21:10:53,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335469830] [2024-10-14 21:10:53,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:53,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-14 21:10:53,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:53,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-14 21:10:53,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 21:10:53,745 INFO L87 Difference]: Start difference. First operand 666 states and 930 transitions. Second operand has 48 states, 47 states have (on average 2.893617021276596) internal successors, (136), 48 states have internal predecessors, (136), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:55,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:55,078 INFO L93 Difference]: Finished difference Result 5813 states and 8062 transitions. [2024-10-14 21:10:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-14 21:10:55,078 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.893617021276596) internal successors, (136), 48 states have internal predecessors, (136), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-10-14 21:10:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:55,097 INFO L225 Difference]: With dead ends: 5813 [2024-10-14 21:10:55,098 INFO L226 Difference]: Without dead ends: 5732 [2024-10-14 21:10:55,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2024-10-14 21:10:55,101 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 1066 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:55,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 754 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 21:10:55,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2024-10-14 21:10:55,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 1255. [2024-10-14 21:10:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 964 states have (on average 1.1400414937759336) internal successors, (1099), 963 states have internal predecessors, (1099), 198 states have call successors, (198), 121 states have call predecessors, (198), 87 states have return successors, (1183), 170 states have call predecessors, (1183), 154 states have call successors, (1183) [2024-10-14 21:10:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2480 transitions. [2024-10-14 21:10:55,263 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2480 transitions. Word has length 77 [2024-10-14 21:10:55,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:55,264 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 2480 transitions. [2024-10-14 21:10:55,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.893617021276596) internal successors, (136), 48 states have internal predecessors, (136), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2480 transitions. [2024-10-14 21:10:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-14 21:10:55,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:55,269 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:55,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 21:10:55,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 21:10:55,470 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:55,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash 33765732, now seen corresponding path program 4 times [2024-10-14 21:10:55,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:55,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057396617] [2024-10-14 21:10:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:55,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:55,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:55,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:56,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:56,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:56,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 15 proven. 356 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 21:10:56,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057396617] [2024-10-14 21:10:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057396617] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906705459] [2024-10-14 21:10:56,058 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:10:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:56,060 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:56,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:10:56,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:10:56,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:56,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 21:10:56,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 53 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-10-14 21:10:56,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-14 21:10:56,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906705459] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:56,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:56,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2024-10-14 21:10:56,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587903748] [2024-10-14 21:10:56,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:56,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-14 21:10:56,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:56,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-14 21:10:56,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2024-10-14 21:10:56,444 INFO L87 Difference]: Start difference. First operand 1255 states and 2480 transitions. Second operand has 45 states, 43 states have (on average 2.511627906976744) internal successors, (108), 28 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-10-14 21:10:57,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:57,015 INFO L93 Difference]: Finished difference Result 2310 states and 5078 transitions. [2024-10-14 21:10:57,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 21:10:57,016 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.511627906976744) internal successors, (108), 28 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 114 [2024-10-14 21:10:57,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:57,022 INFO L225 Difference]: With dead ends: 2310 [2024-10-14 21:10:57,022 INFO L226 Difference]: Without dead ends: 1089 [2024-10-14 21:10:57,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=593, Invalid=3313, Unknown=0, NotChecked=0, Total=3906 [2024-10-14 21:10:57,033 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 167 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:57,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 154 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:10:57,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-10-14 21:10:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 956. [2024-10-14 21:10:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 732 states have (on average 1.1079234972677596) internal successors, (811), 715 states have internal predecessors, (811), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2024-10-14 21:10:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1430 transitions. [2024-10-14 21:10:57,123 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1430 transitions. Word has length 114 [2024-10-14 21:10:57,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:57,124 INFO L471 AbstractCegarLoop]: Abstraction has 956 states and 1430 transitions. [2024-10-14 21:10:57,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.511627906976744) internal successors, (108), 28 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-10-14 21:10:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1430 transitions. [2024-10-14 21:10:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 21:10:57,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:57,127 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:57,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 21:10:57,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 21:10:57,332 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:57,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1756817972, now seen corresponding path program 2 times [2024-10-14 21:10:57,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:57,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981279337] [2024-10-14 21:10:57,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:57,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:10:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 21:10:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-10-14 21:10:57,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:57,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981279337] [2024-10-14 21:10:57,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981279337] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:57,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936700118] [2024-10-14 21:10:57,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:10:57,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:57,482 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:57,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 21:10:57,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:10:57,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:57,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:10:57,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-10-14 21:10:57,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:10:57,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936700118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:57,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:10:57,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-10-14 21:10:57,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550656538] [2024-10-14 21:10:57,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:57,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:10:57,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:57,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:10:57,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:10:57,588 INFO L87 Difference]: Start difference. First operand 956 states and 1430 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 21:10:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:57,651 INFO L93 Difference]: Finished difference Result 956 states and 1430 transitions. [2024-10-14 21:10:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:10:57,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 143 [2024-10-14 21:10:57,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:57,656 INFO L225 Difference]: With dead ends: 956 [2024-10-14 21:10:57,656 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 21:10:57,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:10:57,657 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:57,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 136 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:57,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 21:10:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2024-10-14 21:10:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 732 states have (on average 1.075136612021858) internal successors, (787), 713 states have internal predecessors, (787), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2024-10-14 21:10:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1406 transitions. [2024-10-14 21:10:57,747 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1406 transitions. Word has length 143 [2024-10-14 21:10:57,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:57,747 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1406 transitions. [2024-10-14 21:10:57,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 21:10:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1406 transitions. [2024-10-14 21:10:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-14 21:10:57,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:57,749 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:57,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 21:10:57,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 21:10:57,950 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:57,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1373217652, now seen corresponding path program 1 times [2024-10-14 21:10:57,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:57,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114827967] [2024-10-14 21:10:57,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:57,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:10:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 21:10:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-10-14 21:10:58,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:58,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114827967] [2024-10-14 21:10:58,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114827967] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:58,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790560062] [2024-10-14 21:10:58,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:58,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:58,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:58,114 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:58,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 21:10:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:10:58,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-10-14 21:10:58,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-10-14 21:10:58,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790560062] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:58,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:58,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2024-10-14 21:10:58,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318817818] [2024-10-14 21:10:58,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:58,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 21:10:58,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:58,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 21:10:58,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-14 21:10:58,517 INFO L87 Difference]: Start difference. First operand 954 states and 1406 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 21:10:58,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:58,728 INFO L93 Difference]: Finished difference Result 1177 states and 1689 transitions. [2024-10-14 21:10:58,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:10:58,728 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) Word has length 144 [2024-10-14 21:10:58,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:58,733 INFO L225 Difference]: With dead ends: 1177 [2024-10-14 21:10:58,733 INFO L226 Difference]: Without dead ends: 1112 [2024-10-14 21:10:58,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-10-14 21:10:58,734 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 75 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:58,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 131 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-10-14 21:10:58,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2024-10-14 21:10:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 867 states have (on average 1.0461361014994233) internal successors, (907), 844 states have internal predecessors, (907), 124 states have call successors, (124), 94 states have call predecessors, (124), 119 states have return successors, (522), 173 states have call predecessors, (522), 123 states have call successors, (522) [2024-10-14 21:10:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1553 transitions. [2024-10-14 21:10:58,848 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1553 transitions. Word has length 144 [2024-10-14 21:10:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:58,848 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1553 transitions. [2024-10-14 21:10:58,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 21:10:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1553 transitions. [2024-10-14 21:10:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-14 21:10:58,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:58,854 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:58,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 21:10:59,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 21:10:59,055 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:10:59,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash -850759282, now seen corresponding path program 2 times [2024-10-14 21:10:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147063887] [2024-10-14 21:10:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:59,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 21:10:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:10:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 21:10:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:10:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 21:10:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 21:10:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 5 proven. 62 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-10-14 21:10:59,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:59,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147063887] [2024-10-14 21:10:59,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147063887] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:59,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976679026] [2024-10-14 21:10:59,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:10:59,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:59,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:59,323 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:59,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 21:10:59,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:10:59,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:59,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 21:10:59,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 236 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-10-14 21:10:59,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 285 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-10-14 21:11:00,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976679026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:00,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:00,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 23] total 41 [2024-10-14 21:11:00,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743249042] [2024-10-14 21:11:00,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:00,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-14 21:11:00,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:00,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-14 21:11:00,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2024-10-14 21:11:00,789 INFO L87 Difference]: Start difference. First operand 1112 states and 1553 transitions. Second operand has 41 states, 39 states have (on average 3.7435897435897436) internal successors, (146), 36 states have internal predecessors, (146), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2024-10-14 21:11:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:01,899 INFO L93 Difference]: Finished difference Result 1848 states and 2774 transitions. [2024-10-14 21:11:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-14 21:11:01,900 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 3.7435897435897436) internal successors, (146), 36 states have internal predecessors, (146), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) Word has length 180 [2024-10-14 21:11:01,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:01,906 INFO L225 Difference]: With dead ends: 1848 [2024-10-14 21:11:01,906 INFO L226 Difference]: Without dead ends: 1295 [2024-10-14 21:11:01,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 363 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=646, Invalid=4046, Unknown=0, NotChecked=0, Total=4692 [2024-10-14 21:11:01,908 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 252 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:01,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 156 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:11:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-10-14 21:11:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1229. [2024-10-14 21:11:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 952 states have (on average 1.040966386554622) internal successors, (991), 928 states have internal predecessors, (991), 142 states have call successors, (142), 94 states have call predecessors, (142), 133 states have return successors, (660), 206 states have call predecessors, (660), 131 states have call successors, (660) [2024-10-14 21:11:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1793 transitions. [2024-10-14 21:11:01,978 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1793 transitions. Word has length 180 [2024-10-14 21:11:01,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:01,979 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1793 transitions. [2024-10-14 21:11:01,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 3.7435897435897436) internal successors, (146), 36 states have internal predecessors, (146), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2024-10-14 21:11:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1793 transitions. [2024-10-14 21:11:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-14 21:11:01,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:01,982 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2024-10-14 21:11:01,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 21:11:02,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:02,187 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:11:02,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:02,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1284933891, now seen corresponding path program 4 times [2024-10-14 21:11:02,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:02,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762534912] [2024-10-14 21:11:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:02,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:03,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:03,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762534912] [2024-10-14 21:11:03,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762534912] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:03,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457028677] [2024-10-14 21:11:03,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:11:03,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:03,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:03,747 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:03,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 21:11:03,886 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:11:03,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:03,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-10-14 21:11:03,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:04,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:05,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457028677] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:05,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:05,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2024-10-14 21:11:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515143627] [2024-10-14 21:11:05,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:05,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-14 21:11:05,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:05,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-14 21:11:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-10-14 21:11:05,622 INFO L87 Difference]: Start difference. First operand 1229 states and 1793 transitions. Second operand has 96 states, 95 states have (on average 2.9473684210526314) internal successors, (280), 96 states have internal predecessors, (280), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:11:09,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:09,905 INFO L93 Difference]: Finished difference Result 5678 states and 9177 transitions. [2024-10-14 21:11:09,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-14 21:11:09,906 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.9473684210526314) internal successors, (280), 96 states have internal predecessors, (280), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2024-10-14 21:11:09,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:09,934 INFO L225 Difference]: With dead ends: 5678 [2024-10-14 21:11:09,934 INFO L226 Difference]: Without dead ends: 5677 [2024-10-14 21:11:09,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2024-10-14 21:11:09,941 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1212 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:09,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 1767 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 21:11:09,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5677 states. [2024-10-14 21:11:10,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5677 to 2261. [2024-10-14 21:11:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 1696 states have (on average 1.0371462264150944) internal successors, (1759), 1648 states have internal predecessors, (1759), 310 states have call successors, (310), 190 states have call predecessors, (310), 253 states have return successors, (3468), 422 states have call predecessors, (3468), 287 states have call successors, (3468) [2024-10-14 21:11:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 5537 transitions. [2024-10-14 21:11:10,143 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 5537 transitions. Word has length 161 [2024-10-14 21:11:10,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:10,144 INFO L471 AbstractCegarLoop]: Abstraction has 2261 states and 5537 transitions. [2024-10-14 21:11:10,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.9473684210526314) internal successors, (280), 96 states have internal predecessors, (280), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:11:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 5537 transitions. [2024-10-14 21:11:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-10-14 21:11:10,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:10,166 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2024-10-14 21:11:10,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 21:11:10,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:10,366 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 21:11:10,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1798351741, now seen corresponding path program 5 times [2024-10-14 21:11:10,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:10,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012401688] [2024-10-14 21:11:10,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:10,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:16,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:16,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012401688] [2024-10-14 21:11:16,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012401688] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:16,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037348064] [2024-10-14 21:11:16,156 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:11:16,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:16,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:16,158 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:16,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 21:11:16,642 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-14 21:11:16,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:16,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-10-14 21:11:16,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:17,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:23,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037348064] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:23,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:23,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2024-10-14 21:11:23,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536923519] [2024-10-14 21:11:23,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:23,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-10-14 21:11:23,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:23,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-10-14 21:11:23,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2024-10-14 21:11:23,299 INFO L87 Difference]: Start difference. First operand 2261 states and 5537 transitions. Second operand has 192 states, 191 states have (on average 2.973821989528796) internal successors, (568), 192 states have internal predecessors, (568), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)