./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:35:18,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:35:18,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:35:18,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:35:18,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:35:18,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:35:18,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:35:18,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:35:18,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:35:18,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:35:18,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:35:18,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:35:18,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:35:18,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:35:18,751 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:35:18,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:35:18,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:35:18,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:35:18,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:35:18,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:35:18,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:35:18,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:35:18,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:35:18,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:35:18,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:35:18,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:35:18,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:35:18,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:35:18,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:35:18,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:35:18,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:35:18,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:35:18,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:35:18,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:35:18,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:35:18,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:35:18,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:35:18,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:35:18,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:35:18,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:35:18,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:35:18,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:35:18,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:35:18,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:35:18,762 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 [2024-10-11 20:35:19,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:35:19,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:35:19,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:35:19,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:35:19,049 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:35:19,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2024-10-11 20:35:20,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:35:20,644 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:35:20,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2024-10-11 20:35:20,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0e4b41871/45adf96b2f9d46afa5f52468f44d6e5c/FLAGc59518c60 [2024-10-11 20:35:21,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0e4b41871/45adf96b2f9d46afa5f52468f44d6e5c [2024-10-11 20:35:21,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:35:21,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:35:21,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:35:21,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:35:21,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:35:21,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63102b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21, skipping insertion in model container [2024-10-11 20:35:21,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:35:21,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:35:21,287 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:35:21,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:35:21,323 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:35:21,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21 WrapperNode [2024-10-11 20:35:21,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:35:21,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:35:21,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:35:21,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:35:21,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,365 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-10-11 20:35:21,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:35:21,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:35:21,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:35:21,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:35:21,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,395 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:35:21,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:35:21,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:35:21,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:35:21,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:35:21,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (1/1) ... [2024-10-11 20:35:21,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:35:21,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:21,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:35:21,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:35:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:35:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:35:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:35:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:35:21,548 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:35:21,551 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:35:21,979 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-10-11 20:35:21,979 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:35:22,005 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:35:22,005 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:35:22,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:35:22 BoogieIcfgContainer [2024-10-11 20:35:22,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:35:22,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:35:22,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:35:22,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:35:22,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:35:21" (1/3) ... [2024-10-11 20:35:22,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b50dd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:35:22, skipping insertion in model container [2024-10-11 20:35:22,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:35:21" (2/3) ... [2024-10-11 20:35:22,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b50dd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:35:22, skipping insertion in model container [2024-10-11 20:35:22,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:35:22" (3/3) ... [2024-10-11 20:35:22,014 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound10.c [2024-10-11 20:35:22,030 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:35:22,031 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-11 20:35:22,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:35:22,100 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;@3b654e40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:35:22,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-11 20:35:22,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:35:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:35:22,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:22,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:22,112 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:22,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1031300897, now seen corresponding path program 1 times [2024-10-11 20:35:22,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:22,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591588635] [2024-10-11 20:35:22,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:22,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:22,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:22,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591588635] [2024-10-11 20:35:22,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591588635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:22,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:22,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:35:22,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038390240] [2024-10-11 20:35:22,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:22,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:35:22,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:22,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:35:22,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:35:22,288 INFO L87 Difference]: Start difference. First operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:22,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:22,318 INFO L93 Difference]: Finished difference Result 270 states and 287 transitions. [2024-10-11 20:35:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:35:22,320 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-11 20:35:22,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:22,326 INFO L225 Difference]: With dead ends: 270 [2024-10-11 20:35:22,326 INFO L226 Difference]: Without dead ends: 133 [2024-10-11 20:35:22,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:35:22,335 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:22,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:35:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-11 20:35:22,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-11 20:35:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 70 states have (on average 1.8428571428571427) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2024-10-11 20:35:22,374 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 13 [2024-10-11 20:35:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:22,374 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2024-10-11 20:35:22,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2024-10-11 20:35:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:35:22,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:22,377 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:22,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:35:22,379 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:22,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:22,380 INFO L85 PathProgramCache]: Analyzing trace with hash 638333469, now seen corresponding path program 1 times [2024-10-11 20:35:22,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:22,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012992482] [2024-10-11 20:35:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:22,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:22,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:22,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012992482] [2024-10-11 20:35:22,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012992482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:22,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:22,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:35:22,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723684667] [2024-10-11 20:35:22,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:22,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:35:22,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:22,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:35:22,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:22,501 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:22,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:22,694 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2024-10-11 20:35:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:35:22,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-11 20:35:22,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:22,697 INFO L225 Difference]: With dead ends: 133 [2024-10-11 20:35:22,698 INFO L226 Difference]: Without dead ends: 129 [2024-10-11 20:35:22,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:22,700 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:22,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 81 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:22,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-11 20:35:22,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-11 20:35:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 123 states have internal predecessors, (125), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2024-10-11 20:35:22,712 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 13 [2024-10-11 20:35:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:22,714 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2024-10-11 20:35:22,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2024-10-11 20:35:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:35:22,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:22,715 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:22,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:35:22,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:22,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:22,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1686498902, now seen corresponding path program 1 times [2024-10-11 20:35:22,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:22,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476231161] [2024-10-11 20:35:22,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:22,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:22,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:22,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476231161] [2024-10-11 20:35:22,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476231161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:22,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:22,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:35:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564796920] [2024-10-11 20:35:22,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:22,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:35:22,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:22,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:35:22,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:22,807 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:22,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:22,909 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2024-10-11 20:35:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:35:22,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-11 20:35:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:22,912 INFO L225 Difference]: With dead ends: 129 [2024-10-11 20:35:22,913 INFO L226 Difference]: Without dead ends: 125 [2024-10-11 20:35:22,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:22,916 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 88 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:22,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 81 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-11 20:35:22,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-11 20:35:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 119 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-11 20:35:22,930 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 14 [2024-10-11 20:35:22,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:22,930 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-11 20:35:22,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-11 20:35:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:35:22,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:22,931 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:22,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:35:22,932 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:22,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:22,932 INFO L85 PathProgramCache]: Analyzing trace with hash -741858369, now seen corresponding path program 1 times [2024-10-11 20:35:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:22,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791918052] [2024-10-11 20:35:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:23,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:23,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791918052] [2024-10-11 20:35:23,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791918052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:23,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:23,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:23,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717894693] [2024-10-11 20:35:23,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:23,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:23,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:23,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:23,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:23,019 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:23,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:23,259 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2024-10-11 20:35:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:35:23,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-10-11 20:35:23,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:23,261 INFO L225 Difference]: With dead ends: 125 [2024-10-11 20:35:23,261 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 20:35:23,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:23,262 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 171 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:23,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 75 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 20:35:23,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-11 20:35:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 116 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-11 20:35:23,280 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 15 [2024-10-11 20:35:23,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:23,280 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-11 20:35:23,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-11 20:35:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 20:35:23,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:23,281 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:23,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:35:23,282 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:23,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:23,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1522772916, now seen corresponding path program 1 times [2024-10-11 20:35:23,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:23,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531667728] [2024-10-11 20:35:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:23,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:23,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:23,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531667728] [2024-10-11 20:35:23,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531667728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:23,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:23,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:23,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411987482] [2024-10-11 20:35:23,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:23,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:23,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:23,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:23,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:23,348 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:23,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:23,530 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-11 20:35:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:35:23,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-10-11 20:35:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:23,532 INFO L225 Difference]: With dead ends: 122 [2024-10-11 20:35:23,533 INFO L226 Difference]: Without dead ends: 119 [2024-10-11 20:35:23,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:23,535 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 170 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:23,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 75 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-11 20:35:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-11 20:35:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 113 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2024-10-11 20:35:23,553 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 16 [2024-10-11 20:35:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:23,554 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2024-10-11 20:35:23,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2024-10-11 20:35:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:35:23,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:23,555 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:23,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:35:23,556 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:23,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:23,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1199077326, now seen corresponding path program 1 times [2024-10-11 20:35:23,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:23,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105003669] [2024-10-11 20:35:23,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:23,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76689390] [2024-10-11 20:35:23,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:23,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:23,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:23,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:35:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:23,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:35:23,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:23,678 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:23,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:23,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105003669] [2024-10-11 20:35:23,683 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:23,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76689390] [2024-10-11 20:35:23,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76689390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:23,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:23,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:35:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393822786] [2024-10-11 20:35:23,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:23,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:35:23,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:23,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:35:23,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:23,685 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:23,799 INFO L93 Difference]: Finished difference Result 184 states and 189 transitions. [2024-10-11 20:35:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:35:23,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-10-11 20:35:23,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:23,801 INFO L225 Difference]: With dead ends: 184 [2024-10-11 20:35:23,801 INFO L226 Difference]: Without dead ends: 178 [2024-10-11 20:35:23,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:23,802 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:23,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 214 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:23,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-11 20:35:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2024-10-11 20:35:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.6382978723404256) internal successors, (154), 137 states have internal predecessors, (154), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:35:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2024-10-11 20:35:23,825 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 18 [2024-10-11 20:35:23,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:23,826 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2024-10-11 20:35:23,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2024-10-11 20:35:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:35:23,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:23,826 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:23,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:35:24,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:24,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:24,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1262076752, now seen corresponding path program 1 times [2024-10-11 20:35:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:24,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808818054] [2024-10-11 20:35:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:24,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365822640] [2024-10-11 20:35:24,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:24,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:24,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:24,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:24,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:35:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:24,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:35:24,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:24,097 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:24,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:24,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808818054] [2024-10-11 20:35:24,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:24,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365822640] [2024-10-11 20:35:24,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365822640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:24,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:24,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:35:24,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255799527] [2024-10-11 20:35:24,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:24,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:35:24,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:24,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:35:24,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:24,099 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:24,187 INFO L93 Difference]: Finished difference Result 241 states and 263 transitions. [2024-10-11 20:35:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:35:24,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-10-11 20:35:24,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:24,189 INFO L225 Difference]: With dead ends: 241 [2024-10-11 20:35:24,189 INFO L226 Difference]: Without dead ends: 235 [2024-10-11 20:35:24,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:35:24,190 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:24,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 212 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:24,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-11 20:35:24,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 193. [2024-10-11 20:35:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.647887323943662) internal successors, (234), 185 states have internal predecessors, (234), 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) [2024-10-11 20:35:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 244 transitions. [2024-10-11 20:35:24,201 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 244 transitions. Word has length 20 [2024-10-11 20:35:24,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:24,201 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 244 transitions. [2024-10-11 20:35:24,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 244 transitions. [2024-10-11 20:35:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 20:35:24,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:24,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:24,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:24,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:24,403 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:24,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1674983122, now seen corresponding path program 1 times [2024-10-11 20:35:24,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:24,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174846424] [2024-10-11 20:35:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:24,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534708745] [2024-10-11 20:35:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:24,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:24,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:24,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:24,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:35:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:24,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:35:24,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:24,505 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:24,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:24,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174846424] [2024-10-11 20:35:24,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:24,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534708745] [2024-10-11 20:35:24,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534708745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:24,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:24,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:24,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167491996] [2024-10-11 20:35:24,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:24,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:24,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:24,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:24,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:24,512 INFO L87 Difference]: Start difference. First operand 193 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:24,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:24,737 INFO L93 Difference]: Finished difference Result 261 states and 315 transitions. [2024-10-11 20:35:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:24,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-11 20:35:24,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:24,739 INFO L225 Difference]: With dead ends: 261 [2024-10-11 20:35:24,739 INFO L226 Difference]: Without dead ends: 259 [2024-10-11 20:35:24,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:24,740 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 122 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:24,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 228 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:24,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-11 20:35:24,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 194. [2024-10-11 20:35:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6363636363636365) internal successors, (234), 186 states have internal predecessors, (234), 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) [2024-10-11 20:35:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 244 transitions. [2024-10-11 20:35:24,749 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 244 transitions. Word has length 22 [2024-10-11 20:35:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:24,750 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 244 transitions. [2024-10-11 20:35:24,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2024-10-11 20:35:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:35:24,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:24,751 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:24,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:24,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:24,952 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:24,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:24,952 INFO L85 PathProgramCache]: Analyzing trace with hash 384869294, now seen corresponding path program 1 times [2024-10-11 20:35:24,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:24,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333288716] [2024-10-11 20:35:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:24,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604152866] [2024-10-11 20:35:24,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:24,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:24,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:24,965 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:24,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:35:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:25,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:35:25,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:25,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:25,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:25,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333288716] [2024-10-11 20:35:25,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:25,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604152866] [2024-10-11 20:35:25,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604152866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:25,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:25,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:25,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637095497] [2024-10-11 20:35:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:25,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:25,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:25,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:25,045 INFO L87 Difference]: Start difference. First operand 194 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:25,265 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2024-10-11 20:35:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:25,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-11 20:35:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:25,266 INFO L225 Difference]: With dead ends: 260 [2024-10-11 20:35:25,267 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 20:35:25,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:25,268 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 120 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:25,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 231 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 20:35:25,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 195. [2024-10-11 20:35:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.625) internal successors, (234), 187 states have internal predecessors, (234), 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) [2024-10-11 20:35:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 244 transitions. [2024-10-11 20:35:25,289 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 244 transitions. Word has length 23 [2024-10-11 20:35:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:25,289 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 244 transitions. [2024-10-11 20:35:25,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 244 transitions. [2024-10-11 20:35:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:35:25,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:25,290 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:25,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:35:25,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 20:35:25,498 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:25,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:25,498 INFO L85 PathProgramCache]: Analyzing trace with hash -953953708, now seen corresponding path program 1 times [2024-10-11 20:35:25,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:25,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673966154] [2024-10-11 20:35:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:25,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:25,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561767164] [2024-10-11 20:35:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:25,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:25,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:25,512 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:25,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:35:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:25,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:35:25,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:25,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:25,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:25,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673966154] [2024-10-11 20:35:25,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:25,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561767164] [2024-10-11 20:35:25,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561767164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:25,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:25,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:25,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829665634] [2024-10-11 20:35:25,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:25,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:25,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:25,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:25,574 INFO L87 Difference]: Start difference. First operand 195 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:25,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:25,696 INFO L93 Difference]: Finished difference Result 255 states and 273 transitions. [2024-10-11 20:35:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:25,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-11 20:35:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:25,697 INFO L225 Difference]: With dead ends: 255 [2024-10-11 20:35:25,698 INFO L226 Difference]: Without dead ends: 253 [2024-10-11 20:35:25,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:25,698 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 168 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:25,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 255 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:25,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-11 20:35:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 195. [2024-10-11 20:35:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6041666666666667) internal successors, (231), 187 states have internal predecessors, (231), 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) [2024-10-11 20:35:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-10-11 20:35:25,707 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 24 [2024-10-11 20:35:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:25,708 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-10-11 20:35:25,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-10-11 20:35:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:35:25,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:25,709 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:25,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:35:25,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:35:25,910 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:25,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:25,910 INFO L85 PathProgramCache]: Analyzing trace with hash 492206192, now seen corresponding path program 1 times [2024-10-11 20:35:25,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:25,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183703015] [2024-10-11 20:35:25,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:25,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382075575] [2024-10-11 20:35:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:25,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:25,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:35:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:25,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:35:25,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:25,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:25,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:25,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183703015] [2024-10-11 20:35:25,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:25,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382075575] [2024-10-11 20:35:25,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382075575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:25,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:25,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:25,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639542707] [2024-10-11 20:35:25,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:25,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:25,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:25,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:25,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:25,998 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:26,210 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2024-10-11 20:35:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:26,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-10-11 20:35:26,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:26,211 INFO L225 Difference]: With dead ends: 253 [2024-10-11 20:35:26,211 INFO L226 Difference]: Without dead ends: 251 [2024-10-11 20:35:26,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:26,212 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 165 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:26,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 253 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-10-11 20:35:26,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 195. [2024-10-11 20:35:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 187 states have internal predecessors, (228), 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) [2024-10-11 20:35:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 238 transitions. [2024-10-11 20:35:26,220 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 238 transitions. Word has length 25 [2024-10-11 20:35:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:26,221 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 238 transitions. [2024-10-11 20:35:26,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 238 transitions. [2024-10-11 20:35:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:35:26,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:26,222 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:26,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:26,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:35:26,423 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:26,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:26,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1921477162, now seen corresponding path program 1 times [2024-10-11 20:35:26,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:26,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339217177] [2024-10-11 20:35:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:26,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:26,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703328365] [2024-10-11 20:35:26,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:26,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:26,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:26,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:26,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:35:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:26,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:35:26,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:26,510 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:26,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:26,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339217177] [2024-10-11 20:35:26,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:26,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703328365] [2024-10-11 20:35:26,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703328365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:26,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:26,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:35:26,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448319375] [2024-10-11 20:35:26,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:26,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:35:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:26,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:35:26,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:26,512 INFO L87 Difference]: Start difference. First operand 195 states and 238 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:26,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:26,786 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2024-10-11 20:35:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:35:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-11 20:35:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:26,787 INFO L225 Difference]: With dead ends: 255 [2024-10-11 20:35:26,787 INFO L226 Difference]: Without dead ends: 253 [2024-10-11 20:35:26,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:35:26,788 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 170 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:26,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 231 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:26,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-11 20:35:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 198. [2024-10-11 20:35:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.564625850340136) internal successors, (230), 190 states have internal predecessors, (230), 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) [2024-10-11 20:35:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 240 transitions. [2024-10-11 20:35:26,800 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 240 transitions. Word has length 26 [2024-10-11 20:35:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:26,800 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 240 transitions. [2024-10-11 20:35:26,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 240 transitions. [2024-10-11 20:35:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:35:26,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:26,801 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:26,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:35:27,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:27,002 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:27,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:27,002 INFO L85 PathProgramCache]: Analyzing trace with hash 563750194, now seen corresponding path program 1 times [2024-10-11 20:35:27,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:27,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721586180] [2024-10-11 20:35:27,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:27,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:27,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [126802944] [2024-10-11 20:35:27,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:27,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:27,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:27,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:27,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:35:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:27,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:35:27,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:27,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:27,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721586180] [2024-10-11 20:35:27,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126802944] [2024-10-11 20:35:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126802944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:27,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:35:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412918640] [2024-10-11 20:35:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:27,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:35:27,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:27,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:35:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:27,109 INFO L87 Difference]: Start difference. First operand 198 states and 240 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:27,288 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2024-10-11 20:35:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:35:27,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-11 20:35:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:27,290 INFO L225 Difference]: With dead ends: 254 [2024-10-11 20:35:27,290 INFO L226 Difference]: Without dead ends: 252 [2024-10-11 20:35:27,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:35:27,291 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 229 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:27,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 257 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:27,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-11 20:35:27,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 198. [2024-10-11 20:35:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 190 states have internal predecessors, (227), 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) [2024-10-11 20:35:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 237 transitions. [2024-10-11 20:35:27,301 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 237 transitions. Word has length 27 [2024-10-11 20:35:27,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:27,302 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 237 transitions. [2024-10-11 20:35:27,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-10-11 20:35:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:35:27,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:27,303 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:35:27,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:27,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:35:27,503 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:27,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:27,504 INFO L85 PathProgramCache]: Analyzing trace with hash 296386904, now seen corresponding path program 1 times [2024-10-11 20:35:27,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:27,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563106775] [2024-10-11 20:35:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:27,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681691201] [2024-10-11 20:35:27,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:27,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:27,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:27,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:35:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:27,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:35:27,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:27,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:27,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:27,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563106775] [2024-10-11 20:35:27,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:27,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681691201] [2024-10-11 20:35:27,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681691201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:27,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:27,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:35:27,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492492662] [2024-10-11 20:35:27,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:27,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:35:27,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:35:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:35:27,679 INFO L87 Difference]: Start difference. First operand 198 states and 237 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:27,936 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2024-10-11 20:35:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:35:27,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-10-11 20:35:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:27,938 INFO L225 Difference]: With dead ends: 250 [2024-10-11 20:35:27,938 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 20:35:27,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:35:27,939 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 313 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:27,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 184 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:27,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 20:35:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 200. [2024-10-11 20:35:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 149 states have (on average 1.5302013422818792) internal successors, (228), 192 states have internal predecessors, (228), 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) [2024-10-11 20:35:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 238 transitions. [2024-10-11 20:35:27,947 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 238 transitions. Word has length 28 [2024-10-11 20:35:27,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:27,947 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 238 transitions. [2024-10-11 20:35:27,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 238 transitions. [2024-10-11 20:35:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 20:35:27,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:27,948 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 20:35:27,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:35:28,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:28,153 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:28,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash 598059508, now seen corresponding path program 1 times [2024-10-11 20:35:28,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:28,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269112496] [2024-10-11 20:35:28,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:28,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:28,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:28,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:28,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269112496] [2024-10-11 20:35:28,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269112496] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:35:28,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320508666] [2024-10-11 20:35:28,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:28,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:28,303 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:28,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:35:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:28,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:35:28,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:28,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:28,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320508666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:28,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:35:28,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-11 20:35:28,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786579134] [2024-10-11 20:35:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:28,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:35:28,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:28,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:35:28,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:35:28,478 INFO L87 Difference]: Start difference. First operand 200 states and 238 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:28,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:28,873 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2024-10-11 20:35:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:35:28,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-10-11 20:35:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:28,875 INFO L225 Difference]: With dead ends: 250 [2024-10-11 20:35:28,875 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 20:35:28,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:35:28,877 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 245 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:28,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 202 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:28,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 20:35:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-10-11 20:35:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.52) internal successors, (228), 193 states have internal predecessors, (228), 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) [2024-10-11 20:35:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2024-10-11 20:35:28,886 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 29 [2024-10-11 20:35:28,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:28,887 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2024-10-11 20:35:28,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2024-10-11 20:35:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:35:28,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:28,888 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-10-11 20:35:28,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:29,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:35:29,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:29,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:29,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1266536540, now seen corresponding path program 1 times [2024-10-11 20:35:29,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:29,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055421813] [2024-10-11 20:35:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:29,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:29,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:29,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:29,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:29,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055421813] [2024-10-11 20:35:29,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055421813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:29,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:29,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:35:29,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613900566] [2024-10-11 20:35:29,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:29,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:35:29,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:35:29,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:35:29,191 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:29,426 INFO L93 Difference]: Finished difference Result 201 states and 238 transitions. [2024-10-11 20:35:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:35:29,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-10-11 20:35:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:29,428 INFO L225 Difference]: With dead ends: 201 [2024-10-11 20:35:29,428 INFO L226 Difference]: Without dead ends: 199 [2024-10-11 20:35:29,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:35:29,429 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 118 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:29,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 199 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:29,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-11 20:35:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-10-11 20:35:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.4866666666666666) internal successors, (223), 191 states have internal predecessors, (223), 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) [2024-10-11 20:35:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 233 transitions. [2024-10-11 20:35:29,436 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 233 transitions. Word has length 32 [2024-10-11 20:35:29,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:29,437 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 233 transitions. [2024-10-11 20:35:29,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 233 transitions. [2024-10-11 20:35:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:35:29,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:29,438 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-10-11 20:35:29,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:35:29,438 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:29,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:29,438 INFO L85 PathProgramCache]: Analyzing trace with hash 607927160, now seen corresponding path program 1 times [2024-10-11 20:35:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:29,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977847859] [2024-10-11 20:35:29,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:29,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195513560] [2024-10-11 20:35:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:29,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:29,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:29,452 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:29,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:35:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:29,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:35:29,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:29,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:29,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:29,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977847859] [2024-10-11 20:35:29,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:29,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195513560] [2024-10-11 20:35:29,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195513560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:29,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:29,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:35:29,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783042331] [2024-10-11 20:35:29,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:29,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:35:29,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:29,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:35:29,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:35:29,691 INFO L87 Difference]: Start difference. First operand 199 states and 233 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:30,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:30,073 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2024-10-11 20:35:30,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:35:30,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2024-10-11 20:35:30,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:30,075 INFO L225 Difference]: With dead ends: 242 [2024-10-11 20:35:30,075 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 20:35:30,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:35:30,076 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 353 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:30,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 125 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 20:35:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2024-10-11 20:35:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4675324675324675) internal successors, (226), 195 states have internal predecessors, (226), 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) [2024-10-11 20:35:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2024-10-11 20:35:30,086 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 33 [2024-10-11 20:35:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:30,086 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2024-10-11 20:35:30,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:35:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2024-10-11 20:35:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 20:35:30,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:30,090 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:30,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:35:30,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:35:30,291 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:30,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:30,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1665872862, now seen corresponding path program 1 times [2024-10-11 20:35:30,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:30,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26236767] [2024-10-11 20:35:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:30,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:30,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:30,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26236767] [2024-10-11 20:35:30,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26236767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:30,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:30,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:30,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943403187] [2024-10-11 20:35:30,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:30,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:30,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:30,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:30,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:30,344 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:30,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:30,657 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2024-10-11 20:35:30,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:30,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-10-11 20:35:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:30,658 INFO L225 Difference]: With dead ends: 222 [2024-10-11 20:35:30,659 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:35:30,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:30,660 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:30,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 145 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:30,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:35:30,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2024-10-11 20:35:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 196 states have internal predecessors, (226), 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) [2024-10-11 20:35:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 236 transitions. [2024-10-11 20:35:30,671 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 236 transitions. Word has length 34 [2024-10-11 20:35:30,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:30,672 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 236 transitions. [2024-10-11 20:35:30,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 236 transitions. [2024-10-11 20:35:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:35:30,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:30,674 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:30,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 20:35:30,674 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:30,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash 102451258, now seen corresponding path program 1 times [2024-10-11 20:35:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:30,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422652602] [2024-10-11 20:35:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:30,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:30,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:30,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:30,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422652602] [2024-10-11 20:35:30,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422652602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:30,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:30,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:30,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469878388] [2024-10-11 20:35:30,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:30,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:30,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:30,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:30,734 INFO L87 Difference]: Start difference. First operand 204 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:31,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:31,005 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2024-10-11 20:35:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:35:31,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-10-11 20:35:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:31,007 INFO L225 Difference]: With dead ends: 222 [2024-10-11 20:35:31,007 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:35:31,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:31,008 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:31,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 158 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:31,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:35:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2024-10-11 20:35:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.4487179487179487) internal successors, (226), 197 states have internal predecessors, (226), 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) [2024-10-11 20:35:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 236 transitions. [2024-10-11 20:35:31,015 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 236 transitions. Word has length 35 [2024-10-11 20:35:31,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:31,015 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 236 transitions. [2024-10-11 20:35:31,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:35:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 236 transitions. [2024-10-11 20:35:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:35:31,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:31,017 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:31,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 20:35:31,017 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:31,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1145505025, now seen corresponding path program 1 times [2024-10-11 20:35:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:31,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194270076] [2024-10-11 20:35:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:35:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:31,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:31,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194270076] [2024-10-11 20:35:31,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194270076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:31,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:31,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:35:31,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415649981] [2024-10-11 20:35:31,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:31,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:35:31,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:31,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:35:31,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:31,097 INFO L87 Difference]: Start difference. First operand 205 states and 236 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:31,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:31,352 INFO L93 Difference]: Finished difference Result 222 states and 257 transitions. [2024-10-11 20:35:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:31,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-10-11 20:35:31,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:31,354 INFO L225 Difference]: With dead ends: 222 [2024-10-11 20:35:31,354 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:35:31,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:35:31,355 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 308 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:31,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 125 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:35:31,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2024-10-11 20:35:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 206 states have internal predecessors, (236), 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) [2024-10-11 20:35:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 246 transitions. [2024-10-11 20:35:31,364 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 246 transitions. Word has length 45 [2024-10-11 20:35:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:31,364 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 246 transitions. [2024-10-11 20:35:31,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 246 transitions. [2024-10-11 20:35:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 20:35:31,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:31,365 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:31,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 20:35:31,365 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:31,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:31,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1150917302, now seen corresponding path program 1 times [2024-10-11 20:35:31,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:31,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130480713] [2024-10-11 20:35:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:31,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:35:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130480713] [2024-10-11 20:35:31,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130480713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:31,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:31,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774585321] [2024-10-11 20:35:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:31,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:31,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:31,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:31,415 INFO L87 Difference]: Start difference. First operand 214 states and 246 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:31,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:31,504 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2024-10-11 20:35:31,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:35:31,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-10-11 20:35:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:31,506 INFO L225 Difference]: With dead ends: 214 [2024-10-11 20:35:31,506 INFO L226 Difference]: Without dead ends: 213 [2024-10-11 20:35:31,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:31,507 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:31,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 147 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:31,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-11 20:35:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-11 20:35:31,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4181818181818182) internal successors, (234), 205 states have internal predecessors, (234), 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) [2024-10-11 20:35:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 244 transitions. [2024-10-11 20:35:31,514 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 244 transitions. Word has length 46 [2024-10-11 20:35:31,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:31,515 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 244 transitions. [2024-10-11 20:35:31,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 244 transitions. [2024-10-11 20:35:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:35:31,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:31,516 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:31,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 20:35:31,516 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:31,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:31,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2070039148, now seen corresponding path program 1 times [2024-10-11 20:35:31,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:31,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199612686] [2024-10-11 20:35:31,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:31,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:35:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:31,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:31,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199612686] [2024-10-11 20:35:31,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199612686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:31,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:31,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:31,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053405147] [2024-10-11 20:35:31,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:31,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:31,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:31,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:31,583 INFO L87 Difference]: Start difference. First operand 213 states and 244 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:31,712 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2024-10-11 20:35:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:35:31,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2024-10-11 20:35:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:31,715 INFO L225 Difference]: With dead ends: 228 [2024-10-11 20:35:31,715 INFO L226 Difference]: Without dead ends: 226 [2024-10-11 20:35:31,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:31,716 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:31,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 309 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-11 20:35:31,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2024-10-11 20:35:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4114285714285715) internal successors, (247), 215 states have internal predecessors, (247), 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) [2024-10-11 20:35:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2024-10-11 20:35:31,725 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 48 [2024-10-11 20:35:31,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:31,726 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2024-10-11 20:35:31,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2024-10-11 20:35:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:35:31,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:31,727 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:31,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:35:31,727 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:31,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:31,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1643991946, now seen corresponding path program 1 times [2024-10-11 20:35:31,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:31,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288204355] [2024-10-11 20:35:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:31,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:35:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:31,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:31,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288204355] [2024-10-11 20:35:31,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288204355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:31,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:31,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:35:31,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402767857] [2024-10-11 20:35:31,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:31,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:35:31,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:31,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:35:31,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:35:31,815 INFO L87 Difference]: Start difference. First operand 223 states and 257 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:32,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:32,050 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2024-10-11 20:35:32,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:35:32,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 48 [2024-10-11 20:35:32,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:32,052 INFO L225 Difference]: With dead ends: 224 [2024-10-11 20:35:32,052 INFO L226 Difference]: Without dead ends: 223 [2024-10-11 20:35:32,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:35:32,052 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 142 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:32,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 167 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:32,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-11 20:35:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-11 20:35:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4057142857142857) internal successors, (246), 215 states have internal predecessors, (246), 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) [2024-10-11 20:35:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 256 transitions. [2024-10-11 20:35:32,069 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 256 transitions. Word has length 48 [2024-10-11 20:35:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:32,069 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 256 transitions. [2024-10-11 20:35:32,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 256 transitions. [2024-10-11 20:35:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:35:32,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:32,070 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:32,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:35:32,070 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:32,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:32,070 INFO L85 PathProgramCache]: Analyzing trace with hash 575857347, now seen corresponding path program 1 times [2024-10-11 20:35:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:32,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428099084] [2024-10-11 20:35:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:35:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:32,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428099084] [2024-10-11 20:35:32,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428099084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:32,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:32,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:35:32,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754687291] [2024-10-11 20:35:32,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:32,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:35:32,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:32,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:35:32,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:32,155 INFO L87 Difference]: Start difference. First operand 223 states and 256 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:32,290 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2024-10-11 20:35:32,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:35:32,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2024-10-11 20:35:32,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:32,292 INFO L225 Difference]: With dead ends: 260 [2024-10-11 20:35:32,292 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 20:35:32,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:35:32,293 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 56 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:32,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 306 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 20:35:32,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 231. [2024-10-11 20:35:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 183 states have (on average 1.3879781420765027) internal successors, (254), 223 states have internal predecessors, (254), 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) [2024-10-11 20:35:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 264 transitions. [2024-10-11 20:35:32,304 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 264 transitions. Word has length 49 [2024-10-11 20:35:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:32,304 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 264 transitions. [2024-10-11 20:35:32,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 264 transitions. [2024-10-11 20:35:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:35:32,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:32,305 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:32,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 20:35:32,305 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:32,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:32,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1395947735, now seen corresponding path program 1 times [2024-10-11 20:35:32,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:32,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159488290] [2024-10-11 20:35:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:32,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:32,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803402977] [2024-10-11 20:35:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:32,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:32,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:32,326 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:32,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:35:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:32,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:35:32,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:32,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:35:32,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:32,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159488290] [2024-10-11 20:35:32,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:32,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803402977] [2024-10-11 20:35:32,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803402977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:35:32,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:35:32,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 20:35:32,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168966132] [2024-10-11 20:35:32,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:35:32,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:35:32,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:32,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:35:32,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:35:32,564 INFO L87 Difference]: Start difference. First operand 231 states and 264 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:32,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:32,798 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2024-10-11 20:35:32,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:35:32,798 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2024-10-11 20:35:32,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:32,799 INFO L225 Difference]: With dead ends: 231 [2024-10-11 20:35:32,799 INFO L226 Difference]: Without dead ends: 228 [2024-10-11 20:35:32,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:35:32,800 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 130 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:32,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 330 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-11 20:35:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-11 20:35:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 183 states have (on average 1.355191256830601) internal successors, (248), 220 states have internal predecessors, (248), 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) [2024-10-11 20:35:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2024-10-11 20:35:32,809 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 51 [2024-10-11 20:35:32,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:32,809 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2024-10-11 20:35:32,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:32,810 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2024-10-11 20:35:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 20:35:32,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:32,810 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:32,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:33,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:35:33,015 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:33,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:33,015 INFO L85 PathProgramCache]: Analyzing trace with hash 324706881, now seen corresponding path program 1 times [2024-10-11 20:35:33,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:33,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723183460] [2024-10-11 20:35:33,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:33,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:33,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929142469] [2024-10-11 20:35:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:33,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:33,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:33,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:33,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:35:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:33,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:35:33,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:33,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:34,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:34,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723183460] [2024-10-11 20:35:34,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:34,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929142469] [2024-10-11 20:35:34,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929142469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:35:34,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:35:34,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:35:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80573802] [2024-10-11 20:35:34,013 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:34,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:35:34,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:35:34,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:35:34,015 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:34,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:34,242 INFO L93 Difference]: Finished difference Result 320 states and 377 transitions. [2024-10-11 20:35:34,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:35:34,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2024-10-11 20:35:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:34,244 INFO L225 Difference]: With dead ends: 320 [2024-10-11 20:35:34,244 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:35:34,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:35:34,245 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 163 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:34,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 313 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:35:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:35:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 278. [2024-10-11 20:35:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 231 states have (on average 1.3896103896103895) internal successors, (321), 268 states have internal predecessors, (321), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:35:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 335 transitions. [2024-10-11 20:35:34,257 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 335 transitions. Word has length 52 [2024-10-11 20:35:34,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:34,257 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 335 transitions. [2024-10-11 20:35:34,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 335 transitions. [2024-10-11 20:35:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 20:35:34,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:34,257 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:34,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:34,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:34,458 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:34,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:34,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1076398939, now seen corresponding path program 1 times [2024-10-11 20:35:34,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:34,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820242046] [2024-10-11 20:35:34,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:34,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:34,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141035235] [2024-10-11 20:35:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:34,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:34,483 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:34,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:35:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:34,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:35:34,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:34,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820242046] [2024-10-11 20:35:34,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141035235] [2024-10-11 20:35:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141035235] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:35:34,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:35:34,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:35:34,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995025912] [2024-10-11 20:35:34,968 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:34,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:35:34,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:34,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:35:34,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:35:34,970 INFO L87 Difference]: Start difference. First operand 278 states and 335 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:35,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:35,393 INFO L93 Difference]: Finished difference Result 278 states and 335 transitions. [2024-10-11 20:35:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:35:35,394 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-10-11 20:35:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:35,395 INFO L225 Difference]: With dead ends: 278 [2024-10-11 20:35:35,395 INFO L226 Difference]: Without dead ends: 276 [2024-10-11 20:35:35,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:35:35,396 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 198 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:35,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 194 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-11 20:35:35,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-11 20:35:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 231 states have (on average 1.3636363636363635) internal successors, (315), 266 states have internal predecessors, (315), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:35:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 329 transitions. [2024-10-11 20:35:35,408 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 329 transitions. Word has length 55 [2024-10-11 20:35:35,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:35,408 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 329 transitions. [2024-10-11 20:35:35,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 329 transitions. [2024-10-11 20:35:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 20:35:35,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:35,409 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:35,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:35,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:35:35,609 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:35,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:35,610 INFO L85 PathProgramCache]: Analyzing trace with hash -991371195, now seen corresponding path program 1 times [2024-10-11 20:35:35,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:35,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414780978] [2024-10-11 20:35:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:35,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564663267] [2024-10-11 20:35:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:35,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:35,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:35,628 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:35,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:35:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:35,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:35:35,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:35,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414780978] [2024-10-11 20:35:37,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564663267] [2024-10-11 20:35:37,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564663267] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:37,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:37,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-10-11 20:35:37,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339674137] [2024-10-11 20:35:37,034 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:37,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:35:37,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:37,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:35:37,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:35:37,035 INFO L87 Difference]: Start difference. First operand 276 states and 329 transitions. Second operand has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:35:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:41,120 INFO L93 Difference]: Finished difference Result 422 states and 508 transitions. [2024-10-11 20:35:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:35:41,120 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 56 [2024-10-11 20:35:41,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:41,122 INFO L225 Difference]: With dead ends: 422 [2024-10-11 20:35:41,122 INFO L226 Difference]: Without dead ends: 394 [2024-10-11 20:35:41,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:35:41,123 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 537 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:41,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 308 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 20:35:41,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-11 20:35:41,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 302. [2024-10-11 20:35:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 256 states have (on average 1.3671875) internal successors, (350), 291 states have internal predecessors, (350), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:35:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 366 transitions. [2024-10-11 20:35:41,138 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 366 transitions. Word has length 56 [2024-10-11 20:35:41,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:41,139 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 366 transitions. [2024-10-11 20:35:41,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:35:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 366 transitions. [2024-10-11 20:35:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 20:35:41,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:41,140 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:41,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:41,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:35:41,343 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:41,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1477004917, now seen corresponding path program 1 times [2024-10-11 20:35:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:41,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810742542] [2024-10-11 20:35:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:41,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:41,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251714327] [2024-10-11 20:35:41,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:41,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:41,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:41,362 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:41,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:35:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:41,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:35:41,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:41,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:41,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810742542] [2024-10-11 20:35:41,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251714327] [2024-10-11 20:35:41,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251714327] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:35:41,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:35:41,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:35:41,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328539067] [2024-10-11 20:35:41,707 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:41,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:35:41,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:35:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:35:41,708 INFO L87 Difference]: Start difference. First operand 302 states and 366 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:42,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:42,011 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2024-10-11 20:35:42,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:35:42,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-10-11 20:35:42,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:42,013 INFO L225 Difference]: With dead ends: 312 [2024-10-11 20:35:42,013 INFO L226 Difference]: Without dead ends: 308 [2024-10-11 20:35:42,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:35:42,014 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 153 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:42,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 346 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-11 20:35:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 298. [2024-10-11 20:35:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 256 states have (on average 1.34375) internal successors, (344), 287 states have internal predecessors, (344), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:35:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 360 transitions. [2024-10-11 20:35:42,027 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 360 transitions. Word has length 57 [2024-10-11 20:35:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:42,027 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 360 transitions. [2024-10-11 20:35:42,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 360 transitions. [2024-10-11 20:35:42,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 20:35:42,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:42,029 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:42,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:42,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:35:42,230 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:42,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1457487889, now seen corresponding path program 1 times [2024-10-11 20:35:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:42,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406080684] [2024-10-11 20:35:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:42,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1759316405] [2024-10-11 20:35:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:42,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:42,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:42,247 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:42,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:35:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:42,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:35:42,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:42,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:43,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:43,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406080684] [2024-10-11 20:35:43,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:43,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759316405] [2024-10-11 20:35:43,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759316405] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:35:43,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:35:43,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:35:43,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752403784] [2024-10-11 20:35:43,261 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:43,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:35:43,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:43,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:35:43,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:35:43,262 INFO L87 Difference]: Start difference. First operand 298 states and 360 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:43,621 INFO L93 Difference]: Finished difference Result 381 states and 453 transitions. [2024-10-11 20:35:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:35:43,622 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-10-11 20:35:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:43,623 INFO L225 Difference]: With dead ends: 381 [2024-10-11 20:35:43,623 INFO L226 Difference]: Without dead ends: 379 [2024-10-11 20:35:43,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:35:43,624 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 274 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:43,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 446 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:35:43,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-11 20:35:43,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 337. [2024-10-11 20:35:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 294 states have (on average 1.370748299319728) internal successors, (403), 325 states have internal predecessors, (403), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:35:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 421 transitions. [2024-10-11 20:35:43,640 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 421 transitions. Word has length 58 [2024-10-11 20:35:43,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:43,640 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 421 transitions. [2024-10-11 20:35:43,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:35:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 421 transitions. [2024-10-11 20:35:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:35:43,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:43,641 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:43,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:35:43,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:43,846 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:43,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:43,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1744077345, now seen corresponding path program 1 times [2024-10-11 20:35:43,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183661020] [2024-10-11 20:35:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:43,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664751219] [2024-10-11 20:35:43,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:43,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:43,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:43,860 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:43,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:35:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:43,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:35:43,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:35:43,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:35:44,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:44,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183661020] [2024-10-11 20:35:44,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:44,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664751219] [2024-10-11 20:35:44,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664751219] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:44,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:44,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-11 20:35:44,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859386706] [2024-10-11 20:35:44,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:44,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:35:44,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:44,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:35:44,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:35:44,028 INFO L87 Difference]: Start difference. First operand 337 states and 421 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:44,184 INFO L93 Difference]: Finished difference Result 379 states and 449 transitions. [2024-10-11 20:35:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:35:44,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-10-11 20:35:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:44,186 INFO L225 Difference]: With dead ends: 379 [2024-10-11 20:35:44,186 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 20:35:44,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:35:44,186 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 229 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:44,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 225 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:35:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 20:35:44,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 337. [2024-10-11 20:35:44,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 294 states have (on average 1.3571428571428572) internal successors, (399), 325 states have internal predecessors, (399), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:35:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 417 transitions. [2024-10-11 20:35:44,201 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 417 transitions. Word has length 59 [2024-10-11 20:35:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:44,201 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 417 transitions. [2024-10-11 20:35:44,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:35:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 417 transitions. [2024-10-11 20:35:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:35:44,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:44,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:44,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:44,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-11 20:35:44,403 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:44,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1021080799, now seen corresponding path program 1 times [2024-10-11 20:35:44,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:44,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234179267] [2024-10-11 20:35:44,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445922794] [2024-10-11 20:35:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:44,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:44,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:44,421 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:44,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:35:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:44,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:35:44,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:44,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:45,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:45,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234179267] [2024-10-11 20:35:45,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:45,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445922794] [2024-10-11 20:35:45,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445922794] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:45,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:45,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-11 20:35:45,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497610465] [2024-10-11 20:35:45,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:45,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 20:35:45,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:45,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 20:35:45,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:35:45,373 INFO L87 Difference]: Start difference. First operand 337 states and 417 transitions. Second operand has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:35:46,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:46,530 INFO L93 Difference]: Finished difference Result 381 states and 463 transitions. [2024-10-11 20:35:46,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:35:46,530 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 61 [2024-10-11 20:35:46,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:46,532 INFO L225 Difference]: With dead ends: 381 [2024-10-11 20:35:46,532 INFO L226 Difference]: Without dead ends: 379 [2024-10-11 20:35:46,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 20:35:46,533 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 600 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:46,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 288 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:35:46,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-11 20:35:46,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 348. [2024-10-11 20:35:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 305 states have (on average 1.3344262295081968) internal successors, (407), 336 states have internal predecessors, (407), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:35:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 425 transitions. [2024-10-11 20:35:46,567 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 425 transitions. Word has length 61 [2024-10-11 20:35:46,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:46,567 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 425 transitions. [2024-10-11 20:35:46,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:35:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 425 transitions. [2024-10-11 20:35:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:35:46,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:46,568 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:46,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:46,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:46,768 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:46,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:46,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2097599729, now seen corresponding path program 1 times [2024-10-11 20:35:46,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:46,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023743378] [2024-10-11 20:35:46,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:46,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:46,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682831293] [2024-10-11 20:35:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:46,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:46,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:46,785 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:46,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:35:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:46,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:35:46,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:46,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:47,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:47,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023743378] [2024-10-11 20:35:47,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:47,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682831293] [2024-10-11 20:35:47,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682831293] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:47,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:47,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-10-11 20:35:47,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134809610] [2024-10-11 20:35:47,144 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:47,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:35:47,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:47,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:35:47,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:35:47,145 INFO L87 Difference]: Start difference. First operand 348 states and 425 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:35:48,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:48,330 INFO L93 Difference]: Finished difference Result 486 states and 558 transitions. [2024-10-11 20:35:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:35:48,330 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 61 [2024-10-11 20:35:48,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:48,332 INFO L225 Difference]: With dead ends: 486 [2024-10-11 20:35:48,332 INFO L226 Difference]: Without dead ends: 484 [2024-10-11 20:35:48,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:35:48,333 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 831 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:48,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 547 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:35:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-10-11 20:35:48,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 385. [2024-10-11 20:35:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 341 states have (on average 1.343108504398827) internal successors, (458), 372 states have internal predecessors, (458), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:35:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 478 transitions. [2024-10-11 20:35:48,350 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 478 transitions. Word has length 61 [2024-10-11 20:35:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:48,351 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 478 transitions. [2024-10-11 20:35:48,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:35:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 478 transitions. [2024-10-11 20:35:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:35:48,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:48,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:48,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:35:48,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:48,555 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:48,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:48,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1588733621, now seen corresponding path program 1 times [2024-10-11 20:35:48,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:48,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027842508] [2024-10-11 20:35:48,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:48,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:48,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:35:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:35:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:48,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:35:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:48,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027842508] [2024-10-11 20:35:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027842508] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:35:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346388611] [2024-10-11 20:35:48,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:48,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:48,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:48,634 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:48,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:35:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:48,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:35:48,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:48,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:48,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346388611] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:48,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:35:48,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-11 20:35:48,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625688790] [2024-10-11 20:35:48,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:48,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:35:48,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:48,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:35:48,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:35:48,798 INFO L87 Difference]: Start difference. First operand 385 states and 478 transitions. Second operand has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 20:35:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:49,210 INFO L93 Difference]: Finished difference Result 388 states and 481 transitions. [2024-10-11 20:35:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:35:49,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2024-10-11 20:35:49,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:49,212 INFO L225 Difference]: With dead ends: 388 [2024-10-11 20:35:49,212 INFO L226 Difference]: Without dead ends: 386 [2024-10-11 20:35:49,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:35:49,212 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 284 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:49,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 336 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:35:49,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-11 20:35:49,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-10-11 20:35:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 341 states have (on average 1.316715542521994) internal successors, (449), 370 states have internal predecessors, (449), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:35:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 469 transitions. [2024-10-11 20:35:49,231 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 469 transitions. Word has length 62 [2024-10-11 20:35:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:49,231 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 469 transitions. [2024-10-11 20:35:49,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 20:35:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 469 transitions. [2024-10-11 20:35:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:35:49,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:49,232 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:49,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:35:49,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 20:35:49,433 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:49,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:49,433 INFO L85 PathProgramCache]: Analyzing trace with hash -601082091, now seen corresponding path program 1 times [2024-10-11 20:35:49,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:49,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398895619] [2024-10-11 20:35:49,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:49,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179194706] [2024-10-11 20:35:49,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:49,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:49,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:49,448 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:49,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:35:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:49,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:35:49,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:49,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:50,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:50,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398895619] [2024-10-11 20:35:50,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:50,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179194706] [2024-10-11 20:35:50,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179194706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:50,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:50,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-10-11 20:35:50,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246687724] [2024-10-11 20:35:50,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:50,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:35:50,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:50,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:35:50,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:35:50,074 INFO L87 Difference]: Start difference. First operand 383 states and 469 transitions. Second operand has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:35:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:51,121 INFO L93 Difference]: Finished difference Result 480 states and 543 transitions. [2024-10-11 20:35:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 20:35:51,121 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2024-10-11 20:35:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:51,123 INFO L225 Difference]: With dead ends: 480 [2024-10-11 20:35:51,123 INFO L226 Difference]: Without dead ends: 478 [2024-10-11 20:35:51,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:35:51,124 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 1081 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:51,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 616 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:35:51,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-11 20:35:51,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 383. [2024-10-11 20:35:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 341 states have (on average 1.3049853372434017) internal successors, (445), 370 states have internal predecessors, (445), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:35:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 465 transitions. [2024-10-11 20:35:51,144 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 465 transitions. Word has length 62 [2024-10-11 20:35:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:51,144 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 465 transitions. [2024-10-11 20:35:51,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:35:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 465 transitions. [2024-10-11 20:35:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:35:51,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:51,146 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:51,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:35:51,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:51,351 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:51,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1453675567, now seen corresponding path program 1 times [2024-10-11 20:35:51,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:51,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341582397] [2024-10-11 20:35:51,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:51,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:51,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109345516] [2024-10-11 20:35:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:51,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:51,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:51,366 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:51,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:35:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:51,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:35:51,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:51,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:35:52,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:52,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341582397] [2024-10-11 20:35:52,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:52,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109345516] [2024-10-11 20:35:52,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109345516] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:52,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:52,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:35:52,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116650029] [2024-10-11 20:35:52,064 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:52,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:35:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:52,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:35:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:35:52,065 INFO L87 Difference]: Start difference. First operand 383 states and 465 transitions. Second operand has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:35:54,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:35:54,048 INFO L93 Difference]: Finished difference Result 600 states and 739 transitions. [2024-10-11 20:35:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-11 20:35:54,049 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 63 [2024-10-11 20:35:54,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:35:54,051 INFO L225 Difference]: With dead ends: 600 [2024-10-11 20:35:54,051 INFO L226 Difference]: Without dead ends: 598 [2024-10-11 20:35:54,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:35:54,052 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 419 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:35:54,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 493 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 20:35:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-11 20:35:54,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 489. [2024-10-11 20:35:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 444 states have (on average 1.322072072072072) internal successors, (587), 473 states have internal predecessors, (587), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 20:35:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 613 transitions. [2024-10-11 20:35:54,074 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 613 transitions. Word has length 63 [2024-10-11 20:35:54,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:35:54,075 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 613 transitions. [2024-10-11 20:35:54,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:35:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 613 transitions. [2024-10-11 20:35:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:35:54,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:35:54,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:35:54,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:35:54,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:54,279 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:35:54,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:35:54,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2114269545, now seen corresponding path program 1 times [2024-10-11 20:35:54,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:35:54,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128733894] [2024-10-11 20:35:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:54,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:35:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:35:54,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075373240] [2024-10-11 20:35:54,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:35:54,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:35:54,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:35:54,301 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:35:54,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:35:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:35:54,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:35:54,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:35:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:54,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:35:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:35:59,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:35:59,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128733894] [2024-10-11 20:35:59,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:35:59,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075373240] [2024-10-11 20:35:59,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075373240] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:35:59,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:35:59,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-10-11 20:35:59,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503708173] [2024-10-11 20:35:59,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:35:59,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 20:35:59,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:35:59,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 20:35:59,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=465, Unknown=1, NotChecked=0, Total=552 [2024-10-11 20:35:59,879 INFO L87 Difference]: Start difference. First operand 489 states and 613 transitions. Second operand has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 20:36:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:05,058 INFO L93 Difference]: Finished difference Result 621 states and 771 transitions. [2024-10-11 20:36:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-11 20:36:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 64 [2024-10-11 20:36:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:05,060 INFO L225 Difference]: With dead ends: 621 [2024-10-11 20:36:05,060 INFO L226 Difference]: Without dead ends: 616 [2024-10-11 20:36:05,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=652, Invalid=3379, Unknown=1, NotChecked=0, Total=4032 [2024-10-11 20:36:05,062 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 912 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:05,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 359 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-11 20:36:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-11 20:36:05,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 522. [2024-10-11 20:36:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 477 states have (on average 1.310272536687631) internal successors, (625), 506 states have internal predecessors, (625), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 20:36:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 651 transitions. [2024-10-11 20:36:05,100 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 651 transitions. Word has length 64 [2024-10-11 20:36:05,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:05,101 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 651 transitions. [2024-10-11 20:36:05,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 20:36:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 651 transitions. [2024-10-11 20:36:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 20:36:05,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:05,102 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:05,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:05,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:36:05,302 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1117846381, now seen corresponding path program 1 times [2024-10-11 20:36:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440624203] [2024-10-11 20:36:05,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:05,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738352526] [2024-10-11 20:36:05,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:05,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:05,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:05,317 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:05,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:36:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:05,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:36:05,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:05,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:05,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:05,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440624203] [2024-10-11 20:36:05,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:05,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738352526] [2024-10-11 20:36:05,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738352526] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:05,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:05,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-11 20:36:05,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737942529] [2024-10-11 20:36:05,783 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:05,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:36:05,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:05,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:36:05,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:36:05,784 INFO L87 Difference]: Start difference. First operand 522 states and 651 transitions. Second operand has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:07,190 INFO L93 Difference]: Finished difference Result 604 states and 743 transitions. [2024-10-11 20:36:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:36:07,190 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 65 [2024-10-11 20:36:07,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:07,192 INFO L225 Difference]: With dead ends: 604 [2024-10-11 20:36:07,192 INFO L226 Difference]: Without dead ends: 602 [2024-10-11 20:36:07,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:36:07,193 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 381 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:07,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 366 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:36:07,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-11 20:36:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 525. [2024-10-11 20:36:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 480 states have (on average 1.3041666666666667) internal successors, (626), 509 states have internal predecessors, (626), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 20:36:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 652 transitions. [2024-10-11 20:36:07,219 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 652 transitions. Word has length 65 [2024-10-11 20:36:07,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:07,219 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 652 transitions. [2024-10-11 20:36:07,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 652 transitions. [2024-10-11 20:36:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 20:36:07,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:07,220 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:07,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:07,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:36:07,425 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:07,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash 687793999, now seen corresponding path program 1 times [2024-10-11 20:36:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856835866] [2024-10-11 20:36:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:07,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856835866] [2024-10-11 20:36:07,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856835866] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709187205] [2024-10-11 20:36:07,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:07,508 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:07,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:36:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:07,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:07,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:07,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709187205] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:07,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:07,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-11 20:36:07,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731831836] [2024-10-11 20:36:07,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:07,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:36:07,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:07,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:36:07,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:36:07,759 INFO L87 Difference]: Start difference. First operand 525 states and 652 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:08,212 INFO L93 Difference]: Finished difference Result 687 states and 869 transitions. [2024-10-11 20:36:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:36:08,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 66 [2024-10-11 20:36:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:08,214 INFO L225 Difference]: With dead ends: 687 [2024-10-11 20:36:08,214 INFO L226 Difference]: Without dead ends: 685 [2024-10-11 20:36:08,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:36:08,215 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 132 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:08,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 343 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:36:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-10-11 20:36:08,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 653. [2024-10-11 20:36:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 605 states have (on average 1.3289256198347108) internal successors, (804), 634 states have internal predecessors, (804), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 20:36:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 836 transitions. [2024-10-11 20:36:08,248 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 836 transitions. Word has length 66 [2024-10-11 20:36:08,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:08,248 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 836 transitions. [2024-10-11 20:36:08,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 836 transitions. [2024-10-11 20:36:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 20:36:08,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:08,249 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 20:36:08,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:08,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:36:08,449 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:08,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash -153222425, now seen corresponding path program 1 times [2024-10-11 20:36:08,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:08,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513741822] [2024-10-11 20:36:08,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:08,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:08,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513741822] [2024-10-11 20:36:08,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513741822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:08,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:08,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:36:08,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615526330] [2024-10-11 20:36:08,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:08,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:36:08,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:08,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:36:08,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:08,514 INFO L87 Difference]: Start difference. First operand 653 states and 836 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:36:08,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:08,866 INFO L93 Difference]: Finished difference Result 895 states and 1164 transitions. [2024-10-11 20:36:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:36:08,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2024-10-11 20:36:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:08,871 INFO L225 Difference]: With dead ends: 895 [2024-10-11 20:36:08,871 INFO L226 Difference]: Without dead ends: 893 [2024-10-11 20:36:08,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:08,872 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 84 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:08,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 339 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:36:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-10-11 20:36:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 826. [2024-10-11 20:36:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 773 states have (on average 1.3441138421733505) internal successors, (1039), 802 states have internal predecessors, (1039), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1081 transitions. [2024-10-11 20:36:08,914 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1081 transitions. Word has length 67 [2024-10-11 20:36:08,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:08,914 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1081 transitions. [2024-10-11 20:36:08,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:36:08,914 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1081 transitions. [2024-10-11 20:36:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 20:36:08,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:08,915 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2024-10-11 20:36:08,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-11 20:36:08,915 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:08,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:08,916 INFO L85 PathProgramCache]: Analyzing trace with hash -454927791, now seen corresponding path program 1 times [2024-10-11 20:36:08,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:08,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260707041] [2024-10-11 20:36:08,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:09,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260707041] [2024-10-11 20:36:09,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260707041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999634212] [2024-10-11 20:36:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:09,038 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:09,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:36:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:36:09,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:09,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:09,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999634212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:09,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:09,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-10-11 20:36:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891201855] [2024-10-11 20:36:09,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:09,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:36:09,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:09,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:36:09,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:09,337 INFO L87 Difference]: Start difference. First operand 826 states and 1081 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:09,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:09,563 INFO L93 Difference]: Finished difference Result 843 states and 1096 transitions. [2024-10-11 20:36:09,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:09,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2024-10-11 20:36:09,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:09,566 INFO L225 Difference]: With dead ends: 843 [2024-10-11 20:36:09,566 INFO L226 Difference]: Without dead ends: 841 [2024-10-11 20:36:09,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:09,567 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 205 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:09,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 241 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-11 20:36:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 834. [2024-10-11 20:36:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 781 states have (on average 1.3380281690140845) internal successors, (1045), 810 states have internal predecessors, (1045), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1087 transitions. [2024-10-11 20:36:09,608 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1087 transitions. Word has length 68 [2024-10-11 20:36:09,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:09,609 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1087 transitions. [2024-10-11 20:36:09,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1087 transitions. [2024-10-11 20:36:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:36:09,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:09,610 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:09,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:36:09,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,810 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:09,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:09,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2036408025, now seen corresponding path program 1 times [2024-10-11 20:36:09,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:09,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691176208] [2024-10-11 20:36:09,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:09,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841321995] [2024-10-11 20:36:09,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:09,824 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:09,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:36:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:36:09,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:10,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:10,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:10,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691176208] [2024-10-11 20:36:10,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:10,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841321995] [2024-10-11 20:36:10,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841321995] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:10,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:10,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:36:10,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389030203] [2024-10-11 20:36:10,366 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:10,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:36:10,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:10,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:36:10,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:36:10,367 INFO L87 Difference]: Start difference. First operand 834 states and 1087 transitions. Second operand has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:11,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:11,827 INFO L93 Difference]: Finished difference Result 923 states and 1197 transitions. [2024-10-11 20:36:11,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 20:36:11,828 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 71 [2024-10-11 20:36:11,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:11,830 INFO L225 Difference]: With dead ends: 923 [2024-10-11 20:36:11,830 INFO L226 Difference]: Without dead ends: 921 [2024-10-11 20:36:11,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:36:11,830 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 254 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:11,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 438 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:36:11,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-10-11 20:36:11,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 834. [2024-10-11 20:36:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 781 states have (on average 1.3354673495518565) internal successors, (1043), 810 states have internal predecessors, (1043), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1085 transitions. [2024-10-11 20:36:11,882 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1085 transitions. Word has length 71 [2024-10-11 20:36:11,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:11,882 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1085 transitions. [2024-10-11 20:36:11,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1085 transitions. [2024-10-11 20:36:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 20:36:11,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:11,883 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:11,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:12,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:12,088 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:12,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1295860577, now seen corresponding path program 1 times [2024-10-11 20:36:12,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:12,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191114404] [2024-10-11 20:36:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:12,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455841126] [2024-10-11 20:36:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:12,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:12,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:12,102 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:12,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:36:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:12,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:36:12,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:12,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:36:13,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191114404] [2024-10-11 20:36:13,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455841126] [2024-10-11 20:36:13,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455841126] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:13,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:13,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-10-11 20:36:13,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502731631] [2024-10-11 20:36:13,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:13,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:36:13,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:36:13,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:36:13,105 INFO L87 Difference]: Start difference. First operand 834 states and 1085 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:17,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:17,161 INFO L93 Difference]: Finished difference Result 846 states and 1098 transitions. [2024-10-11 20:36:17,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 20:36:17,162 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2024-10-11 20:36:17,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:17,164 INFO L225 Difference]: With dead ends: 846 [2024-10-11 20:36:17,164 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 20:36:17,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:36:17,165 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 265 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:17,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 188 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-11 20:36:17,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 20:36:17,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 833. [2024-10-11 20:36:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 781 states have (on average 1.3162612035851473) internal successors, (1028), 809 states have internal predecessors, (1028), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1070 transitions. [2024-10-11 20:36:17,213 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1070 transitions. Word has length 72 [2024-10-11 20:36:17,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:17,214 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1070 transitions. [2024-10-11 20:36:17,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1070 transitions. [2024-10-11 20:36:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:36:17,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:17,215 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:17,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:17,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:17,419 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:17,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2099405738, now seen corresponding path program 1 times [2024-10-11 20:36:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:17,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208651446] [2024-10-11 20:36:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:17,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:17,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208651446] [2024-10-11 20:36:17,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208651446] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:17,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639465378] [2024-10-11 20:36:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:17,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:17,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:17,493 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:17,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:36:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:17,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:17,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:17,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639465378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:17,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:17,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-11 20:36:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541842725] [2024-10-11 20:36:17,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:17,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:36:17,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:36:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:17,878 INFO L87 Difference]: Start difference. First operand 833 states and 1070 transitions. Second operand has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:36:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:18,243 INFO L93 Difference]: Finished difference Result 1191 states and 1512 transitions. [2024-10-11 20:36:18,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:36:18,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 78 [2024-10-11 20:36:18,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:18,246 INFO L225 Difference]: With dead ends: 1191 [2024-10-11 20:36:18,246 INFO L226 Difference]: Without dead ends: 1189 [2024-10-11 20:36:18,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:36:18,246 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 1024 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:18,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 334 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:36:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-10-11 20:36:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1033. [2024-10-11 20:36:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 976 states have (on average 1.3032786885245902) internal successors, (1272), 1003 states have internal predecessors, (1272), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:36:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1326 transitions. [2024-10-11 20:36:18,323 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1326 transitions. Word has length 78 [2024-10-11 20:36:18,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:18,324 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1326 transitions. [2024-10-11 20:36:18,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:36:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1326 transitions. [2024-10-11 20:36:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 20:36:18,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:18,325 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-10-11 20:36:18,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:18,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:18,528 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:18,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash 498464703, now seen corresponding path program 1 times [2024-10-11 20:36:18,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:18,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436135638] [2024-10-11 20:36:18,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:18,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:18,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:18,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436135638] [2024-10-11 20:36:18,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436135638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:18,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140483905] [2024-10-11 20:36:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:18,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:18,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:18,609 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:18,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:36:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:18,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:18,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:18,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140483905] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:18,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:18,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 20:36:18,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409899593] [2024-10-11 20:36:18,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:18,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:36:18,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:18,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:36:18,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:36:18,987 INFO L87 Difference]: Start difference. First operand 1033 states and 1326 transitions. Second operand has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:19,677 INFO L93 Difference]: Finished difference Result 1525 states and 1935 transitions. [2024-10-11 20:36:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:36:19,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 81 [2024-10-11 20:36:19,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:19,681 INFO L225 Difference]: With dead ends: 1525 [2024-10-11 20:36:19,681 INFO L226 Difference]: Without dead ends: 1524 [2024-10-11 20:36:19,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:36:19,682 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 373 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:19,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 590 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:36:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2024-10-11 20:36:19,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1292. [2024-10-11 20:36:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1227 states have (on average 1.3039934800325998) internal successors, (1600), 1254 states have internal predecessors, (1600), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 20:36:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1670 transitions. [2024-10-11 20:36:19,750 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1670 transitions. Word has length 81 [2024-10-11 20:36:19,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:19,750 INFO L471 AbstractCegarLoop]: Abstraction has 1292 states and 1670 transitions. [2024-10-11 20:36:19,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1670 transitions. [2024-10-11 20:36:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 20:36:19,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:19,751 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:19,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:19,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-11 20:36:19,955 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:19,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:19,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1738350956, now seen corresponding path program 1 times [2024-10-11 20:36:19,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:19,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82052070] [2024-10-11 20:36:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:19,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:20,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:20,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82052070] [2024-10-11 20:36:20,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82052070] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:20,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348671791] [2024-10-11 20:36:20,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:20,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:20,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:20,028 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:20,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:36:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:20,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:20,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:20,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348671791] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:20,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:20,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:36:20,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778490001] [2024-10-11 20:36:20,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:20,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:36:20,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:20,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:36:20,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:20,216 INFO L87 Difference]: Start difference. First operand 1292 states and 1670 transitions. Second operand has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:20,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:20,448 INFO L93 Difference]: Finished difference Result 1570 states and 2010 transitions. [2024-10-11 20:36:20,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:36:20,452 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 82 [2024-10-11 20:36:20,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:20,456 INFO L225 Difference]: With dead ends: 1570 [2024-10-11 20:36:20,456 INFO L226 Difference]: Without dead ends: 1569 [2024-10-11 20:36:20,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:20,457 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 70 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:20,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 654 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-10-11 20:36:20,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1519. [2024-10-11 20:36:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1449 states have (on average 1.2864044168391995) internal successors, (1864), 1476 states have internal predecessors, (1864), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:36:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1944 transitions. [2024-10-11 20:36:20,525 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1944 transitions. Word has length 82 [2024-10-11 20:36:20,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:20,525 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1944 transitions. [2024-10-11 20:36:20,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1944 transitions. [2024-10-11 20:36:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:36:20,526 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:20,526 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:36:20,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:20,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-11 20:36:20,726 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:20,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:20,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1801960399, now seen corresponding path program 1 times [2024-10-11 20:36:20,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:20,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462028750] [2024-10-11 20:36:20,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:20,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:36:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,845 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:20,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:20,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462028750] [2024-10-11 20:36:20,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462028750] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:20,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122899389] [2024-10-11 20:36:20,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:20,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:20,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:20,847 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:20,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:36:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:20,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:36:20,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:21,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:21,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122899389] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:21,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:21,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-10-11 20:36:21,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101948497] [2024-10-11 20:36:21,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:21,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 20:36:21,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:21,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 20:36:21,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:36:21,480 INFO L87 Difference]: Start difference. First operand 1519 states and 1944 transitions. Second operand has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:22,205 INFO L93 Difference]: Finished difference Result 1612 states and 2034 transitions. [2024-10-11 20:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:36:22,205 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 85 [2024-10-11 20:36:22,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:22,210 INFO L225 Difference]: With dead ends: 1612 [2024-10-11 20:36:22,210 INFO L226 Difference]: Without dead ends: 1611 [2024-10-11 20:36:22,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:36:22,211 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 463 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:22,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 587 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:36:22,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2024-10-11 20:36:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1525. [2024-10-11 20:36:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1455 states have (on average 1.2824742268041238) internal successors, (1866), 1482 states have internal predecessors, (1866), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:36:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1946 transitions. [2024-10-11 20:36:22,302 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1946 transitions. Word has length 85 [2024-10-11 20:36:22,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:22,302 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1946 transitions. [2024-10-11 20:36:22,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1946 transitions. [2024-10-11 20:36:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:36:22,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:22,303 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:22,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:22,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:22,504 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:22,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:22,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1903468058, now seen corresponding path program 1 times [2024-10-11 20:36:22,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:22,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864882953] [2024-10-11 20:36:22,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:22,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612322063] [2024-10-11 20:36:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:22,521 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:22,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:36:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:22,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:36:22,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:22,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:23,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:23,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864882953] [2024-10-11 20:36:23,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:23,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612322063] [2024-10-11 20:36:23,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612322063] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:23,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:23,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-11 20:36:23,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412702789] [2024-10-11 20:36:23,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:23,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:36:23,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:36:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:36:23,217 INFO L87 Difference]: Start difference. First operand 1525 states and 1946 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:25,093 INFO L93 Difference]: Finished difference Result 1542 states and 1959 transitions. [2024-10-11 20:36:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:36:25,093 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 86 [2024-10-11 20:36:25,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:25,096 INFO L225 Difference]: With dead ends: 1542 [2024-10-11 20:36:25,096 INFO L226 Difference]: Without dead ends: 1540 [2024-10-11 20:36:25,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:36:25,097 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 261 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:25,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 531 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 20:36:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-10-11 20:36:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1525. [2024-10-11 20:36:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1455 states have (on average 1.2790378006872851) internal successors, (1861), 1482 states have internal predecessors, (1861), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:36:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1941 transitions. [2024-10-11 20:36:25,172 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1941 transitions. Word has length 86 [2024-10-11 20:36:25,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:25,173 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1941 transitions. [2024-10-11 20:36:25,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1941 transitions. [2024-10-11 20:36:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:36:25,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:25,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:25,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:25,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 20:36:25,374 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:25,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:25,374 INFO L85 PathProgramCache]: Analyzing trace with hash -812119277, now seen corresponding path program 1 times [2024-10-11 20:36:25,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:25,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835167493] [2024-10-11 20:36:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:25,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:36:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:25,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835167493] [2024-10-11 20:36:25,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835167493] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864004556] [2024-10-11 20:36:25,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:25,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:25,445 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:25,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:36:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:25,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:25,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:25,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:25,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864004556] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:25,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:25,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:36:25,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621670589] [2024-10-11 20:36:25,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:25,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:36:25,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:25,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:36:25,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:25,675 INFO L87 Difference]: Start difference. First operand 1525 states and 1941 transitions. Second operand has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:25,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:25,888 INFO L93 Difference]: Finished difference Result 2054 states and 2602 transitions. [2024-10-11 20:36:25,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:36:25,888 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 87 [2024-10-11 20:36:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:25,892 INFO L225 Difference]: With dead ends: 2054 [2024-10-11 20:36:25,893 INFO L226 Difference]: Without dead ends: 2053 [2024-10-11 20:36:25,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:25,893 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 300 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:25,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 663 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2024-10-11 20:36:25,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1840. [2024-10-11 20:36:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1761 states have (on average 1.2879045996592844) internal successors, (2268), 1788 states have internal predecessors, (2268), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:36:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2366 transitions. [2024-10-11 20:36:25,984 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2366 transitions. Word has length 87 [2024-10-11 20:36:25,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:25,984 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2366 transitions. [2024-10-11 20:36:25,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2366 transitions. [2024-10-11 20:36:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:36:25,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:25,985 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-10-11 20:36:25,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:26,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-11 20:36:26,185 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:26,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:26,186 INFO L85 PathProgramCache]: Analyzing trace with hash 295167100, now seen corresponding path program 1 times [2024-10-11 20:36:26,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:26,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680085573] [2024-10-11 20:36:26,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:26,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414117609] [2024-10-11 20:36:26,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:26,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:26,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:26,206 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:26,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:36:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:26,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:36:26,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:36:26,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:27,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:27,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680085573] [2024-10-11 20:36:27,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:27,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414117609] [2024-10-11 20:36:27,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414117609] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:27,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:27,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:36:27,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557756265] [2024-10-11 20:36:27,254 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:27,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:36:27,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:27,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:36:27,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:36:27,255 INFO L87 Difference]: Start difference. First operand 1840 states and 2366 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:36:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:28,036 INFO L93 Difference]: Finished difference Result 1883 states and 2398 transitions. [2024-10-11 20:36:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:36:28,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 89 [2024-10-11 20:36:28,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:28,041 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 20:36:28,042 INFO L226 Difference]: Without dead ends: 1879 [2024-10-11 20:36:28,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:36:28,042 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 207 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:28,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 776 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:36:28,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2024-10-11 20:36:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1832. [2024-10-11 20:36:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1753 states have (on average 1.2835139760410725) internal successors, (2250), 1780 states have internal predecessors, (2250), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:36:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2348 transitions. [2024-10-11 20:36:28,134 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2348 transitions. Word has length 89 [2024-10-11 20:36:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:28,134 INFO L471 AbstractCegarLoop]: Abstraction has 1832 states and 2348 transitions. [2024-10-11 20:36:28,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:36:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2348 transitions. [2024-10-11 20:36:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 20:36:28,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:28,136 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-10-11 20:36:28,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-11 20:36:28,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-11 20:36:28,336 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:28,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash 32804096, now seen corresponding path program 1 times [2024-10-11 20:36:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487326542] [2024-10-11 20:36:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:28,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:28,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348384023] [2024-10-11 20:36:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:28,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:28,356 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:28,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:36:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:28,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:36:28,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:36:28,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:36:30,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:30,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487326542] [2024-10-11 20:36:30,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:30,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348384023] [2024-10-11 20:36:30,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348384023] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:30,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:30,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-10-11 20:36:30,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096479603] [2024-10-11 20:36:30,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:30,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:36:30,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:30,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:36:30,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:36:30,622 INFO L87 Difference]: Start difference. First operand 1832 states and 2348 transitions. Second operand has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:36:38,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:38,466 INFO L93 Difference]: Finished difference Result 2060 states and 2622 transitions. [2024-10-11 20:36:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-11 20:36:38,467 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 93 [2024-10-11 20:36:38,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:38,471 INFO L225 Difference]: With dead ends: 2060 [2024-10-11 20:36:38,471 INFO L226 Difference]: Without dead ends: 2056 [2024-10-11 20:36:38,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=534, Invalid=2222, Unknown=0, NotChecked=0, Total=2756 [2024-10-11 20:36:38,472 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1011 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:38,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 600 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-10-11 20:36:38,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2024-10-11 20:36:38,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1947. [2024-10-11 20:36:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1864 states have (on average 1.2682403433476395) internal successors, (2364), 1891 states have internal predecessors, (2364), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:36:38,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2470 transitions. [2024-10-11 20:36:38,572 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2470 transitions. Word has length 93 [2024-10-11 20:36:38,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:38,573 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2470 transitions. [2024-10-11 20:36:38,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:36:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2470 transitions. [2024-10-11 20:36:38,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 20:36:38,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:38,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:38,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:38,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-10-11 20:36:38,778 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2115616630, now seen corresponding path program 1 times [2024-10-11 20:36:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:38,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681194324] [2024-10-11 20:36:38,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:38,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:38,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:38,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:38,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:38,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:38,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:38,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681194324] [2024-10-11 20:36:38,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681194324] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:38,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814139672] [2024-10-11 20:36:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:38,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:38,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:38,978 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:38,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:36:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:39,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:36:39,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:39,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:39,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814139672] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:39,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:39,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-11 20:36:39,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350200749] [2024-10-11 20:36:39,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:39,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:36:39,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:39,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:36:39,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:36:39,750 INFO L87 Difference]: Start difference. First operand 1947 states and 2470 transitions. Second operand has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:36:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:40,820 INFO L93 Difference]: Finished difference Result 1981 states and 2506 transitions. [2024-10-11 20:36:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:36:40,820 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 95 [2024-10-11 20:36:40,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:40,824 INFO L225 Difference]: With dead ends: 1981 [2024-10-11 20:36:40,824 INFO L226 Difference]: Without dead ends: 1980 [2024-10-11 20:36:40,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-10-11 20:36:40,825 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 208 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:40,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 637 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:36:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2024-10-11 20:36:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1968. [2024-10-11 20:36:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1968 states, 1885 states have (on average 1.2657824933687003) internal successors, (2386), 1912 states have internal predecessors, (2386), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:36:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2492 transitions. [2024-10-11 20:36:40,946 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2492 transitions. Word has length 95 [2024-10-11 20:36:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:40,946 INFO L471 AbstractCegarLoop]: Abstraction has 1968 states and 2492 transitions. [2024-10-11 20:36:40,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:36:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2492 transitions. [2024-10-11 20:36:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 20:36:40,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:40,947 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-10-11 20:36:40,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:41,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:41,148 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:41,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash 2078295400, now seen corresponding path program 1 times [2024-10-11 20:36:41,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:41,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439199893] [2024-10-11 20:36:41,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:41,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:41,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138747230] [2024-10-11 20:36:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:41,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:41,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:41,165 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:41,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 20:36:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:41,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:36:41,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:41,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439199893] [2024-10-11 20:36:42,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138747230] [2024-10-11 20:36:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138747230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:42,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:42,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:36:42,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154092901] [2024-10-11 20:36:42,183 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:42,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:36:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:42,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:36:42,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-10-11 20:36:42,183 INFO L87 Difference]: Start difference. First operand 1968 states and 2492 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:42,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:42,783 INFO L93 Difference]: Finished difference Result 1997 states and 2522 transitions. [2024-10-11 20:36:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:36:42,784 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 96 [2024-10-11 20:36:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:42,788 INFO L225 Difference]: With dead ends: 1997 [2024-10-11 20:36:42,788 INFO L226 Difference]: Without dead ends: 1995 [2024-10-11 20:36:42,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2024-10-11 20:36:42,789 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:42,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 813 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:36:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2024-10-11 20:36:42,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1977. [2024-10-11 20:36:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1894 states have (on average 1.2650475184794086) internal successors, (2396), 1921 states have internal predecessors, (2396), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:36:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2502 transitions. [2024-10-11 20:36:42,886 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2502 transitions. Word has length 96 [2024-10-11 20:36:42,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:42,887 INFO L471 AbstractCegarLoop]: Abstraction has 1977 states and 2502 transitions. [2024-10-11 20:36:42,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2502 transitions. [2024-10-11 20:36:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 20:36:42,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:42,888 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:42,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:43,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:43,088 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:43,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:43,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1159605914, now seen corresponding path program 1 times [2024-10-11 20:36:43,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:43,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740431616] [2024-10-11 20:36:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:43,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-11 20:36:43,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:43,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740431616] [2024-10-11 20:36:43,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740431616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:43,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:43,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:43,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228442313] [2024-10-11 20:36:43,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:43,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:43,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:43,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:43,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:43,154 INFO L87 Difference]: Start difference. First operand 1977 states and 2502 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:43,485 INFO L93 Difference]: Finished difference Result 1990 states and 2507 transitions. [2024-10-11 20:36:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:43,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2024-10-11 20:36:43,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:43,490 INFO L225 Difference]: With dead ends: 1990 [2024-10-11 20:36:43,490 INFO L226 Difference]: Without dead ends: 1967 [2024-10-11 20:36:43,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:43,491 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 27 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:43,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 204 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:43,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2024-10-11 20:36:43,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1959. [2024-10-11 20:36:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1876 states have (on average 1.2665245202558635) internal successors, (2376), 1903 states have internal predecessors, (2376), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:36:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2482 transitions. [2024-10-11 20:36:43,595 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2482 transitions. Word has length 96 [2024-10-11 20:36:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:43,595 INFO L471 AbstractCegarLoop]: Abstraction has 1959 states and 2482 transitions. [2024-10-11 20:36:43,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2482 transitions. [2024-10-11 20:36:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 20:36:43,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:43,596 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:43,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-11 20:36:43,596 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:43,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:43,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2044557264, now seen corresponding path program 1 times [2024-10-11 20:36:43,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:43,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634411001] [2024-10-11 20:36:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:43,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:36:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:43,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:43,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634411001] [2024-10-11 20:36:43,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634411001] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:43,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668253949] [2024-10-11 20:36:43,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:43,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:43,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:43,722 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:43,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 20:36:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:36:43,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:44,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:44,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668253949] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:44,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:44,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-11 20:36:44,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240987760] [2024-10-11 20:36:44,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:44,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:36:44,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:44,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:36:44,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:36:44,249 INFO L87 Difference]: Start difference. First operand 1959 states and 2482 transitions. Second operand has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:36:45,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:45,021 INFO L93 Difference]: Finished difference Result 1985 states and 2510 transitions. [2024-10-11 20:36:45,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:36:45,022 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 96 [2024-10-11 20:36:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:45,025 INFO L225 Difference]: With dead ends: 1985 [2024-10-11 20:36:45,025 INFO L226 Difference]: Without dead ends: 1984 [2024-10-11 20:36:45,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:36:45,026 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 262 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:45,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 700 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:36:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2024-10-11 20:36:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1973. [2024-10-11 20:36:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1890 states have (on average 1.265079365079365) internal successors, (2391), 1917 states have internal predecessors, (2391), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:36:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2497 transitions. [2024-10-11 20:36:45,152 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2497 transitions. Word has length 96 [2024-10-11 20:36:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:45,152 INFO L471 AbstractCegarLoop]: Abstraction has 1973 states and 2497 transitions. [2024-10-11 20:36:45,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:36:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2497 transitions. [2024-10-11 20:36:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 20:36:45,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:45,153 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-10-11 20:36:45,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-11 20:36:45,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-10-11 20:36:45,354 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:45,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:45,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2648032, now seen corresponding path program 1 times [2024-10-11 20:36:45,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:45,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299078231] [2024-10-11 20:36:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:45,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739126736] [2024-10-11 20:36:45,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:45,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:45,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:45,370 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:45,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-11 20:36:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:45,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 20:36:45,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:36:46,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:47,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:47,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299078231] [2024-10-11 20:36:47,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:47,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739126736] [2024-10-11 20:36:47,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739126736] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:47,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:47,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 28 [2024-10-11 20:36:47,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994977868] [2024-10-11 20:36:47,764 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:47,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 20:36:47,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:47,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 20:36:47,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:36:47,765 INFO L87 Difference]: Start difference. First operand 1973 states and 2497 transitions. Second operand has 29 states, 28 states have (on average 5.785714285714286) internal successors, (162), 29 states have internal predecessors, (162), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8)