./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/egcd-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:31:52,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:31:52,447 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:31:52,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:31:52,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:31:52,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:31:52,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:31:52,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:31:52,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:31:52,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:31:52,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:31:52,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:31:52,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:31:52,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:31:52,490 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:31:52,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:31:52,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:31:52,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:31:52,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:31:52,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:31:52,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:31:52,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:31:52,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:31:52,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:31:52,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:31:52,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:31:52,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:31:52,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:31:52,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:31:52,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:31:52,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:31:52,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:31:52,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:31:52,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:31:52,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:31:52,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:31:52,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:31:52,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:31:52,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:31:52,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:31:52,499 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:31:52,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:31:52,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:31:52,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:31:52,500 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2024-11-20 18:31:52,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:31:52,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:31:52,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:31:52,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:31:52,746 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:31:52,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2024-11-20 18:31:53,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:31:54,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:31:54,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2024-11-20 18:31:54,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0499cfe/0c408ed7da694cde9ebef01f066d3a38/FLAGef6878305 [2024-11-20 18:31:54,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0499cfe/0c408ed7da694cde9ebef01f066d3a38 [2024-11-20 18:31:54,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:31:54,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:31:54,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:31:54,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:31:54,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:31:54,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0bb286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54, skipping insertion in model container [2024-11-20 18:31:54,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:31:54,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:31:54,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:31:54,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:31:54,334 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:31:54,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54 WrapperNode [2024-11-20 18:31:54,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:31:54,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:31:54,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:31:54,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:31:54,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,364 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-20 18:31:54,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:31:54,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:31:54,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:31:54,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:31:54,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,386 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 18:31:54,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:31:54,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:31:54,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:31:54,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:31:54,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (1/1) ... [2024-11-20 18:31:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:31:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:54,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 18:31:54,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:31:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:31:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 18:31:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 18:31:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:31:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:31:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:31:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:31:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:31:54,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:31:54,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:31:54,841 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-20 18:31:54,841 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:31:54,854 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:31:54,854 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:31:54,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:31:54 BoogieIcfgContainer [2024-11-20 18:31:54,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:31:54,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:31:54,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:31:54,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:31:54,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:31:54" (1/3) ... [2024-11-20 18:31:54,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c36fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:31:54, skipping insertion in model container [2024-11-20 18:31:54,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:54" (2/3) ... [2024-11-20 18:31:54,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c36fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:31:54, skipping insertion in model container [2024-11-20 18:31:54,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:31:54" (3/3) ... [2024-11-20 18:31:54,861 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound2.c [2024-11-20 18:31:54,876 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:31:54,876 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-20 18:31:54,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:31:54,938 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;@5a1e17a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:31:54,939 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-20 18:31:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 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) [2024-11-20 18:31:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 18:31:54,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:54,948 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:31:54,949 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)] === [2024-11-20 18:31:54,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash 426625631, now seen corresponding path program 1 times [2024-11-20 18:31:54,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:54,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984157267] [2024-11-20 18:31:54,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:54,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:31:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:31:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:55,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:55,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984157267] [2024-11-20 18:31:55,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984157267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:55,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:55,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:31:55,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179997024] [2024-11-20 18:31:55,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:55,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:31:55,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:55,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:31:55,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:31:55,101 INFO L87 Difference]: Start difference. First operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-20 18:31:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:55,124 INFO L93 Difference]: Finished difference Result 288 states and 320 transitions. [2024-11-20 18:31:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:31:55,127 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 15 [2024-11-20 18:31:55,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:55,135 INFO L225 Difference]: With dead ends: 288 [2024-11-20 18:31:55,135 INFO L226 Difference]: Without dead ends: 139 [2024-11-20 18:31:55,137 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 [2024-11-20 18:31:55,140 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:55,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:31:55,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-20 18:31:55,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-20 18:31:55,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 71 states have (on average 1.8450704225352113) internal successors, (131), 128 states have internal predecessors, (131), 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) [2024-11-20 18:31:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2024-11-20 18:31:55,190 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 15 [2024-11-20 18:31:55,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:55,202 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2024-11-20 18:31:55,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-20 18:31:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2024-11-20 18:31:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 18:31:55,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:55,204 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:31:55,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:31:55,204 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)] === [2024-11-20 18:31:55,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:55,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1184948511, now seen corresponding path program 1 times [2024-11-20 18:31:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:55,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050857077] [2024-11-20 18:31:55,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:55,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:31:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:31:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:55,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:55,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050857077] [2024-11-20 18:31:55,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050857077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:55,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:55,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:55,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079602821] [2024-11-20 18:31:55,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:55,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:55,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:55,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:55,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:55,326 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-20 18:31:55,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:55,368 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2024-11-20 18:31:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:31:55,369 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), 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 15 [2024-11-20 18:31:55,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:55,370 INFO L225 Difference]: With dead ends: 139 [2024-11-20 18:31:55,370 INFO L226 Difference]: Without dead ends: 138 [2024-11-20 18:31:55,371 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 [2024-11-20 18:31:55,372 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 142 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:55,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 279 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:31:55,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-20 18:31:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-20 18:31:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 127 states have internal predecessors, (130), 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) [2024-11-20 18:31:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-11-20 18:31:55,388 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 15 [2024-11-20 18:31:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:55,389 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-11-20 18:31:55,389 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), 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) [2024-11-20 18:31:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-11-20 18:31:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 18:31:55,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:55,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:31:55,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:31:55,391 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)] === [2024-11-20 18:31:55,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:55,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1921301779, now seen corresponding path program 1 times [2024-11-20 18:31:55,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:55,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587430662] [2024-11-20 18:31:55,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:55,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:31:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:31:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:55,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:55,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587430662] [2024-11-20 18:31:55,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587430662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:55,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:55,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:55,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197015856] [2024-11-20 18:31:55,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:55,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:55,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:55,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:55,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:55,474 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-20 18:31:55,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:55,507 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2024-11-20 18:31:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:31:55,508 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), 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 16 [2024-11-20 18:31:55,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:55,509 INFO L225 Difference]: With dead ends: 202 [2024-11-20 18:31:55,509 INFO L226 Difference]: Without dead ends: 142 [2024-11-20 18:31:55,510 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 [2024-11-20 18:31:55,511 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 8 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:55,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 414 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:31:55,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-20 18:31:55,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-20 18:31:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 75 states have (on average 1.7866666666666666) internal successors, (134), 131 states have internal predecessors, (134), 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) [2024-11-20 18:31:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-11-20 18:31:55,524 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 16 [2024-11-20 18:31:55,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:55,524 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-11-20 18:31:55,525 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), 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) [2024-11-20 18:31:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-20 18:31:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-20 18:31:55,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:55,525 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:31:55,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:31:55,526 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)] === [2024-11-20 18:31:55,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash 464929231, now seen corresponding path program 1 times [2024-11-20 18:31:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:55,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885053726] [2024-11-20 18:31:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:55,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376466776] [2024-11-20 18:31:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:55,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:55,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:55,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:55,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:31:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:55,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:31:55,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:55,635 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:55,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885053726] [2024-11-20 18:31:55,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:55,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376466776] [2024-11-20 18:31:55,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376466776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:55,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:55,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:31:55,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601750039] [2024-11-20 18:31:55,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:55,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:31:55,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:55,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:31:55,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:31:55,640 INFO L87 Difference]: Start difference. First operand 142 states and 150 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) [2024-11-20 18:31:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:55,798 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-11-20 18:31:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:31:55,799 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 [2024-11-20 18:31:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:55,800 INFO L225 Difference]: With dead ends: 226 [2024-11-20 18:31:55,801 INFO L226 Difference]: Without dead ends: 222 [2024-11-20 18:31:55,801 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 [2024-11-20 18:31:55,803 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:55,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 148 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:31:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-20 18:31:55,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-20 18:31:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 108 states have (on average 1.8148148148148149) internal successors, (196), 164 states have internal predecessors, (196), 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) [2024-11-20 18:31:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-11-20 18:31:55,827 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 18 [2024-11-20 18:31:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:55,827 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-11-20 18:31:55,827 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) [2024-11-20 18:31:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-11-20 18:31:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-20 18:31:55,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:55,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:31:55,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:31:56,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:56,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:56,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:56,031 INFO L85 PathProgramCache]: Analyzing trace with hash 120393905, now seen corresponding path program 1 times [2024-11-20 18:31:56,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:56,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370243584] [2024-11-20 18:31:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:56,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134857608] [2024-11-20 18:31:56,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:56,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:56,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:56,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:56,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:31:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:56,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:31:56,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:56,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:56,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:56,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370243584] [2024-11-20 18:31:56,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:56,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134857608] [2024-11-20 18:31:56,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134857608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:56,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:56,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:31:56,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443308922] [2024-11-20 18:31:56,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:56,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:31:56,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:56,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:31:56,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:31:56,106 INFO L87 Difference]: Start difference. First operand 180 states and 222 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) [2024-11-20 18:31:56,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:56,241 INFO L93 Difference]: Finished difference Result 285 states and 351 transitions. [2024-11-20 18:31:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:31:56,242 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 [2024-11-20 18:31:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:56,243 INFO L225 Difference]: With dead ends: 285 [2024-11-20 18:31:56,244 INFO L226 Difference]: Without dead ends: 277 [2024-11-20 18:31:56,244 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 [2024-11-20 18:31:56,246 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:56,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 222 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:31:56,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-20 18:31:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2024-11-20 18:31:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 158 states have (on average 1.7721518987341771) internal successors, (280), 214 states have internal predecessors, (280), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 18:31:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 318 transitions. [2024-11-20 18:31:56,262 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 318 transitions. Word has length 20 [2024-11-20 18:31:56,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:56,263 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 318 transitions. [2024-11-20 18:31:56,263 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) [2024-11-20 18:31:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2024-11-20 18:31:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-20 18:31:56,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:56,264 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:31:56,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:31:56,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:56,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:56,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:56,468 INFO L85 PathProgramCache]: Analyzing trace with hash -265572461, now seen corresponding path program 1 times [2024-11-20 18:31:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:56,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397200894] [2024-11-20 18:31:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:56,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:56,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017128470] [2024-11-20 18:31:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:56,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:56,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:56,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:56,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:31:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:56,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:31:56,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:56,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:56,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:56,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397200894] [2024-11-20 18:31:56,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:56,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017128470] [2024-11-20 18:31:56,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017128470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:56,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:56,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:31:56,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850630861] [2024-11-20 18:31:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:56,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:31:56,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:56,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:31:56,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:31:56,578 INFO L87 Difference]: Start difference. First operand 236 states and 318 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2024-11-20 18:31:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:56,811 INFO L93 Difference]: Finished difference Result 271 states and 337 transitions. [2024-11-20 18:31:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:31:56,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 [2024-11-20 18:31:56,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:56,813 INFO L225 Difference]: With dead ends: 271 [2024-11-20 18:31:56,813 INFO L226 Difference]: Without dead ends: 257 [2024-11-20 18:31:56,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:31:56,814 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 63 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:56,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 161 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:31:56,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-20 18:31:56,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 202. [2024-11-20 18:31:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 129 states have (on average 1.689922480620155) internal successors, (218), 185 states have internal predecessors, (218), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:31:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2024-11-20 18:31:56,830 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 22 [2024-11-20 18:31:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:56,831 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2024-11-20 18:31:56,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2024-11-20 18:31:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2024-11-20 18:31:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 18:31:56,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:56,832 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] [2024-11-20 18:31:56,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 18:31:57,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:57,033 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:57,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash 997499080, now seen corresponding path program 1 times [2024-11-20 18:31:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:57,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69600941] [2024-11-20 18:31:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:57,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813303583] [2024-11-20 18:31:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:57,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:57,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:57,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:31:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:57,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:31:57,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:57,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:57,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:57,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69600941] [2024-11-20 18:31:57,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:57,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813303583] [2024-11-20 18:31:57,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813303583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:57,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:57,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:31:57,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967109836] [2024-11-20 18:31:57,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:57,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:31:57,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:31:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:31:57,115 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-20 18:31:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:57,258 INFO L93 Difference]: Finished difference Result 367 states and 469 transitions. [2024-11-20 18:31:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:31:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 29 [2024-11-20 18:31:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:57,262 INFO L225 Difference]: With dead ends: 367 [2024-11-20 18:31:57,262 INFO L226 Difference]: Without dead ends: 359 [2024-11-20 18:31:57,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:31:57,263 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:57,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 216 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:31:57,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-20 18:31:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 283. [2024-11-20 18:31:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.681592039800995) internal successors, (338), 257 states have internal predecessors, (338), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:31:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 384 transitions. [2024-11-20 18:31:57,286 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 384 transitions. Word has length 29 [2024-11-20 18:31:57,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:57,287 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 384 transitions. [2024-11-20 18:31:57,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-20 18:31:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 384 transitions. [2024-11-20 18:31:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:31:57,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:57,287 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] [2024-11-20 18:31:57,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:31:57,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:57,494 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:57,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash 818910986, now seen corresponding path program 1 times [2024-11-20 18:31:57,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:57,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277686876] [2024-11-20 18:31:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:57,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525669599] [2024-11-20 18:31:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:57,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:57,510 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:57,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:31:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:57,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:31:57,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:57,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277686876] [2024-11-20 18:31:57,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525669599] [2024-11-20 18:31:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525669599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:57,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:57,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626112455] [2024-11-20 18:31:57,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:57,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:57,615 INFO L87 Difference]: Start difference. First operand 283 states and 384 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-20 18:31:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:57,771 INFO L93 Difference]: Finished difference Result 337 states and 449 transitions. [2024-11-20 18:31:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:31:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 31 [2024-11-20 18:31:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:57,772 INFO L225 Difference]: With dead ends: 337 [2024-11-20 18:31:57,773 INFO L226 Difference]: Without dead ends: 335 [2024-11-20 18:31:57,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:57,773 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 178 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:57,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 162 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:31:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-20 18:31:57,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-20 18:31:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 257 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:31:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2024-11-20 18:31:57,784 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 31 [2024-11-20 18:31:57,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:57,785 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2024-11-20 18:31:57,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-20 18:31:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2024-11-20 18:31:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:31:57,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:57,786 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] [2024-11-20 18:31:57,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 18:31:57,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:57,991 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:57,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:57,991 INFO L85 PathProgramCache]: Analyzing trace with hash -383563140, now seen corresponding path program 1 times [2024-11-20 18:31:57,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:57,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955580634] [2024-11-20 18:31:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:57,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:58,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992986644] [2024-11-20 18:31:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:58,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:58,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:58,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:58,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:31:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:58,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:31:58,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:58,093 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:58,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:58,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955580634] [2024-11-20 18:31:58,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:58,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992986644] [2024-11-20 18:31:58,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992986644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:58,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:58,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:58,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965068832] [2024-11-20 18:31:58,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:58,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:58,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:58,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:58,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:58,095 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-20 18:31:58,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:58,280 INFO L93 Difference]: Finished difference Result 337 states and 445 transitions. [2024-11-20 18:31:58,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:31:58,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 32 [2024-11-20 18:31:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:58,282 INFO L225 Difference]: With dead ends: 337 [2024-11-20 18:31:58,282 INFO L226 Difference]: Without dead ends: 335 [2024-11-20 18:31:58,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:58,282 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 238 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:58,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 147 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:31:58,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-20 18:31:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-20 18:31:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 257 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:31:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 376 transitions. [2024-11-20 18:31:58,291 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 376 transitions. Word has length 32 [2024-11-20 18:31:58,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:58,291 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 376 transitions. [2024-11-20 18:31:58,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-20 18:31:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-20 18:31:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:31:58,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:58,292 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] [2024-11-20 18:31:58,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:31:58,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:58,497 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:58,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:58,497 INFO L85 PathProgramCache]: Analyzing trace with hash 994444620, now seen corresponding path program 1 times [2024-11-20 18:31:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:58,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114612902] [2024-11-20 18:31:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:58,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537092660] [2024-11-20 18:31:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:58,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:58,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:58,513 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:58,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:31:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:58,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:31:58,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:58,573 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:58,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114612902] [2024-11-20 18:31:58,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537092660] [2024-11-20 18:31:58,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537092660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:58,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:58,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788703019] [2024-11-20 18:31:58,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:58,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:58,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:58,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:58,575 INFO L87 Difference]: Start difference. First operand 283 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 18:31:58,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:58,839 INFO L93 Difference]: Finished difference Result 357 states and 449 transitions. [2024-11-20 18:31:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:31:58,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 33 [2024-11-20 18:31:58,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:58,844 INFO L225 Difference]: With dead ends: 357 [2024-11-20 18:31:58,844 INFO L226 Difference]: Without dead ends: 355 [2024-11-20 18:31:58,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:58,845 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 148 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:58,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 179 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:31:58,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-20 18:31:58,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 284. [2024-11-20 18:31:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 258 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:31:58,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2024-11-20 18:31:58,856 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 33 [2024-11-20 18:31:58,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:58,856 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2024-11-20 18:31:58,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 18:31:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2024-11-20 18:31:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:31:58,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:58,856 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] [2024-11-20 18:31:58,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 18:31:59,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:59,057 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:59,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 763012222, now seen corresponding path program 1 times [2024-11-20 18:31:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:59,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608762687] [2024-11-20 18:31:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:59,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225929190] [2024-11-20 18:31:59,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:59,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:59,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:59,071 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:59,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:31:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:59,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:31:59,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:31:59,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:59,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:59,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608762687] [2024-11-20 18:31:59,183 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:59,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225929190] [2024-11-20 18:31:59,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225929190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:59,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:59,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:59,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651600777] [2024-11-20 18:31:59,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:59,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:59,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:59,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:59,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:59,184 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-20 18:31:59,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:31:59,607 INFO L93 Difference]: Finished difference Result 357 states and 445 transitions. [2024-11-20 18:31:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:31:59,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 34 [2024-11-20 18:31:59,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:31:59,609 INFO L225 Difference]: With dead ends: 357 [2024-11-20 18:31:59,609 INFO L226 Difference]: Without dead ends: 355 [2024-11-20 18:31:59,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:59,610 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 147 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:31:59,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 206 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:31:59,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-20 18:31:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 285. [2024-11-20 18:31:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 203 states have (on average 1.6059113300492611) internal successors, (326), 259 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:31:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 372 transitions. [2024-11-20 18:31:59,619 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 372 transitions. Word has length 34 [2024-11-20 18:31:59,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:31:59,619 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 372 transitions. [2024-11-20 18:31:59,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-20 18:31:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 372 transitions. [2024-11-20 18:31:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-20 18:31:59,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:31:59,620 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] [2024-11-20 18:31:59,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:31:59,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-20 18:31:59,825 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:31:59,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:31:59,825 INFO L85 PathProgramCache]: Analyzing trace with hash 97827175, now seen corresponding path program 1 times [2024-11-20 18:31:59,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:31:59,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972392131] [2024-11-20 18:31:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:31:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:31:59,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759583750] [2024-11-20 18:31:59,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:31:59,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:31:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:31:59,837 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:31:59,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:31:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:31:59,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:31:59,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:31:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-20 18:31:59,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:31:59,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:31:59,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972392131] [2024-11-20 18:31:59,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:31:59,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759583750] [2024-11-20 18:31:59,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759583750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:31:59,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:31:59,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:31:59,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069705882] [2024-11-20 18:31:59,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:31:59,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:31:59,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:31:59,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:31:59,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:31:59,947 INFO L87 Difference]: Start difference. First operand 285 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:00,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:00,100 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2024-11-20 18:32:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:00,101 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-20 18:32:00,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:00,102 INFO L225 Difference]: With dead ends: 308 [2024-11-20 18:32:00,102 INFO L226 Difference]: Without dead ends: 306 [2024-11-20 18:32:00,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:00,102 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 162 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:00,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 189 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:32:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-20 18:32:00,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2024-11-20 18:32:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 204 states have (on average 1.5931372549019607) internal successors, (325), 260 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:00,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 371 transitions. [2024-11-20 18:32:00,111 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 371 transitions. Word has length 42 [2024-11-20 18:32:00,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:00,111 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 371 transitions. [2024-11-20 18:32:00,111 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 371 transitions. [2024-11-20 18:32:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-20 18:32:00,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:00,112 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] [2024-11-20 18:32:00,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:32:00,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:00,312 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:00,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:00,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1262324788, now seen corresponding path program 1 times [2024-11-20 18:32:00,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:00,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67342260] [2024-11-20 18:32:00,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:00,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:00,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977067368] [2024-11-20 18:32:00,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:00,324 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:00,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:32:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:00,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:00,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-20 18:32:00,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:00,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67342260] [2024-11-20 18:32:00,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977067368] [2024-11-20 18:32:00,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977067368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:00,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:00,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:00,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618771229] [2024-11-20 18:32:00,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:00,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:00,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:00,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:00,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:00,427 INFO L87 Difference]: Start difference. First operand 286 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:00,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:00,574 INFO L93 Difference]: Finished difference Result 308 states and 388 transitions. [2024-11-20 18:32:00,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:00,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-20 18:32:00,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:00,576 INFO L225 Difference]: With dead ends: 308 [2024-11-20 18:32:00,576 INFO L226 Difference]: Without dead ends: 306 [2024-11-20 18:32:00,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:00,576 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 161 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:00,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 177 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:32:00,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-20 18:32:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 287. [2024-11-20 18:32:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 205 states have (on average 1.5804878048780489) internal successors, (324), 261 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 370 transitions. [2024-11-20 18:32:00,584 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 370 transitions. Word has length 43 [2024-11-20 18:32:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:00,585 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 370 transitions. [2024-11-20 18:32:00,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2024-11-20 18:32:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-20 18:32:00,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:00,585 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] [2024-11-20 18:32:00,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:32:00,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 18:32:00,790 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:00,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:00,790 INFO L85 PathProgramCache]: Analyzing trace with hash -477362679, now seen corresponding path program 1 times [2024-11-20 18:32:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:00,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91314237] [2024-11-20 18:32:00,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:00,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:00,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361259183] [2024-11-20 18:32:00,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:00,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:00,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:00,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:00,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:32:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:00,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:00,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-20 18:32:00,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:00,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:00,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91314237] [2024-11-20 18:32:00,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361259183] [2024-11-20 18:32:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361259183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:00,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:00,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:00,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381359498] [2024-11-20 18:32:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:00,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:00,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:00,869 INFO L87 Difference]: Start difference. First operand 287 states and 370 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:01,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:01,104 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2024-11-20 18:32:01,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:01,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-20 18:32:01,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:01,106 INFO L225 Difference]: With dead ends: 316 [2024-11-20 18:32:01,106 INFO L226 Difference]: Without dead ends: 314 [2024-11-20 18:32:01,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:01,106 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:01,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 258 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-20 18:32:01,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2024-11-20 18:32:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.5679611650485437) internal successors, (323), 262 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 369 transitions. [2024-11-20 18:32:01,115 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 369 transitions. Word has length 44 [2024-11-20 18:32:01,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:01,115 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 369 transitions. [2024-11-20 18:32:01,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 369 transitions. [2024-11-20 18:32:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:32:01,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:01,116 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] [2024-11-20 18:32:01,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:32:01,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 18:32:01,317 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:01,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:01,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1913341074, now seen corresponding path program 1 times [2024-11-20 18:32:01,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:01,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830218050] [2024-11-20 18:32:01,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:01,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:01,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438628692] [2024-11-20 18:32:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:01,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:01,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:01,328 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:01,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:32:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:01,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-20 18:32:01,429 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:01,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:01,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830218050] [2024-11-20 18:32:01,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438628692] [2024-11-20 18:32:01,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438628692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:01,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:01,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:01,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195681164] [2024-11-20 18:32:01,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:01,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:01,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:01,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:01,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:01,431 INFO L87 Difference]: Start difference. First operand 288 states and 369 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:01,678 INFO L93 Difference]: Finished difference Result 316 states and 374 transitions. [2024-11-20 18:32:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:01,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-20 18:32:01,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:01,680 INFO L225 Difference]: With dead ends: 316 [2024-11-20 18:32:01,680 INFO L226 Difference]: Without dead ends: 314 [2024-11-20 18:32:01,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:01,680 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 133 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:01,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 224 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:01,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-20 18:32:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 289. [2024-11-20 18:32:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 263 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 368 transitions. [2024-11-20 18:32:01,688 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 368 transitions. Word has length 45 [2024-11-20 18:32:01,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:01,689 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 368 transitions. [2024-11-20 18:32:01,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:32:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 368 transitions. [2024-11-20 18:32:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-20 18:32:01,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:01,689 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:01,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:01,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 18:32:01,890 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:01,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:01,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2077001505, now seen corresponding path program 1 times [2024-11-20 18:32:01,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:01,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576707516] [2024-11-20 18:32:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:01,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:01,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:01,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576707516] [2024-11-20 18:32:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576707516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:01,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:01,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:32:01,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095433494] [2024-11-20 18:32:01,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:01,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:32:01,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:01,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:32:01,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:32:01,930 INFO L87 Difference]: Start difference. First operand 289 states and 368 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:32:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:01,981 INFO L93 Difference]: Finished difference Result 380 states and 485 transitions. [2024-11-20 18:32:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:32:01,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-11-20 18:32:01,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:01,982 INFO L225 Difference]: With dead ends: 380 [2024-11-20 18:32:01,982 INFO L226 Difference]: Without dead ends: 378 [2024-11-20 18:32:01,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:32:01,983 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 46 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:01,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 283 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:32:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-20 18:32:01,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-11-20 18:32:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.5333333333333334) internal successors, (322), 265 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2024-11-20 18:32:01,992 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 52 [2024-11-20 18:32:01,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:01,992 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2024-11-20 18:32:01,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:32:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2024-11-20 18:32:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-20 18:32:01,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:01,993 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:01,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 18:32:01,993 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:01,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:01,994 INFO L85 PathProgramCache]: Analyzing trace with hash -37462655, now seen corresponding path program 1 times [2024-11-20 18:32:01,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:01,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542156379] [2024-11-20 18:32:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:01,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:02,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:02,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542156379] [2024-11-20 18:32:02,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542156379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:02,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:02,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:32:02,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189324172] [2024-11-20 18:32:02,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:02,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:32:02,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:02,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:32:02,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:32:02,045 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:32:02,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:02,082 INFO L93 Difference]: Finished difference Result 379 states and 479 transitions. [2024-11-20 18:32:02,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:32:02,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-20 18:32:02,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:02,084 INFO L225 Difference]: With dead ends: 379 [2024-11-20 18:32:02,084 INFO L226 Difference]: Without dead ends: 377 [2024-11-20 18:32:02,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:32:02,084 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:02,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 296 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:32:02,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-20 18:32:02,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-20 18:32:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.5023474178403755) internal successors, (320), 267 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 366 transitions. [2024-11-20 18:32:02,093 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 366 transitions. Word has length 53 [2024-11-20 18:32:02,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:02,093 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 366 transitions. [2024-11-20 18:32:02,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:32:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 366 transitions. [2024-11-20 18:32:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-20 18:32:02,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:02,094 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:02,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 18:32:02,095 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:02,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1161300465, now seen corresponding path program 1 times [2024-11-20 18:32:02,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:02,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308934731] [2024-11-20 18:32:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:02,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:02,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:02,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308934731] [2024-11-20 18:32:02,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308934731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:02,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:02,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:02,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922102595] [2024-11-20 18:32:02,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:02,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:02,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:02,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:02,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:02,174 INFO L87 Difference]: Start difference. First operand 293 states and 366 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:02,360 INFO L93 Difference]: Finished difference Result 378 states and 471 transitions. [2024-11-20 18:32:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:32:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-20 18:32:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:02,362 INFO L225 Difference]: With dead ends: 378 [2024-11-20 18:32:02,362 INFO L226 Difference]: Without dead ends: 377 [2024-11-20 18:32:02,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:32:02,363 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:02,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-20 18:32:02,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-20 18:32:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.4976525821596245) internal successors, (319), 267 states have internal predecessors, (319), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 365 transitions. [2024-11-20 18:32:02,373 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 365 transitions. Word has length 54 [2024-11-20 18:32:02,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:02,374 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 365 transitions. [2024-11-20 18:32:02,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 365 transitions. [2024-11-20 18:32:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-20 18:32:02,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:02,376 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:02,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 18:32:02,376 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)] === [2024-11-20 18:32:02,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:02,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1161314367, now seen corresponding path program 1 times [2024-11-20 18:32:02,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:02,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892333934] [2024-11-20 18:32:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:02,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:02,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:02,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892333934] [2024-11-20 18:32:02,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892333934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:02,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:02,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:02,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805168110] [2024-11-20 18:32:02,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:02,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:02,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:02,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:02,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:02,437 INFO L87 Difference]: Start difference. First operand 293 states and 365 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:02,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:02,639 INFO L93 Difference]: Finished difference Result 380 states and 473 transitions. [2024-11-20 18:32:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:32:02,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-20 18:32:02,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:02,640 INFO L225 Difference]: With dead ends: 380 [2024-11-20 18:32:02,641 INFO L226 Difference]: Without dead ends: 379 [2024-11-20 18:32:02,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:32:02,641 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:02,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-20 18:32:02,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-11-20 18:32:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.4930232558139536) internal successors, (321), 269 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-20 18:32:02,651 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 54 [2024-11-20 18:32:02,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:02,651 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-20 18:32:02,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-20 18:32:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-20 18:32:02,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:02,652 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:02,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 18:32:02,653 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:02,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash -340468281, now seen corresponding path program 1 times [2024-11-20 18:32:02,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:02,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579828059] [2024-11-20 18:32:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:02,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579828059] [2024-11-20 18:32:02,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579828059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:02,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:02,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:32:02,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24702203] [2024-11-20 18:32:02,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:02,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:32:02,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:02,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:32:02,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:32:02,729 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:02,861 INFO L93 Difference]: Finished difference Result 355 states and 435 transitions. [2024-11-20 18:32:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:32:02,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-20 18:32:02,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:02,863 INFO L225 Difference]: With dead ends: 355 [2024-11-20 18:32:02,863 INFO L226 Difference]: Without dead ends: 351 [2024-11-20 18:32:02,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:32:02,864 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:02,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 154 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:32:02,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-20 18:32:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 305. [2024-11-20 18:32:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.4755555555555555) internal successors, (332), 279 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 378 transitions. [2024-11-20 18:32:02,874 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 378 transitions. Word has length 57 [2024-11-20 18:32:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:02,875 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 378 transitions. [2024-11-20 18:32:02,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 378 transitions. [2024-11-20 18:32:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-20 18:32:02,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:02,875 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-20 18:32:02,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 18:32:02,876 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:02,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:02,876 INFO L85 PathProgramCache]: Analyzing trace with hash 657109751, now seen corresponding path program 1 times [2024-11-20 18:32:02,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:02,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336014088] [2024-11-20 18:32:02,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:02,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:02,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:02,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336014088] [2024-11-20 18:32:02,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336014088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:02,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274648975] [2024-11-20 18:32:02,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:02,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:02,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:02,946 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:02,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:32:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:02,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:02,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:03,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:03,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274648975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:03,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:03,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-20 18:32:03,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215380370] [2024-11-20 18:32:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:03,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:32:03,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:03,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:32:03,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:03,049 INFO L87 Difference]: Start difference. First operand 305 states and 378 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:03,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:03,113 INFO L93 Difference]: Finished difference Result 397 states and 486 transitions. [2024-11-20 18:32:03,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:32:03,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2024-11-20 18:32:03,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:03,115 INFO L225 Difference]: With dead ends: 397 [2024-11-20 18:32:03,115 INFO L226 Difference]: Without dead ends: 396 [2024-11-20 18:32:03,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:03,116 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 104 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:03,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 611 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:32:03,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-20 18:32:03,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 358. [2024-11-20 18:32:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4814814814814814) internal successors, (400), 325 states have internal predecessors, (400), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 18:32:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 462 transitions. [2024-11-20 18:32:03,130 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 462 transitions. Word has length 61 [2024-11-20 18:32:03,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:03,130 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 462 transitions. [2024-11-20 18:32:03,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 462 transitions. [2024-11-20 18:32:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-20 18:32:03,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:03,131 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-20 18:32:03,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:03,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-20 18:32:03,332 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:03,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 122279784, now seen corresponding path program 1 times [2024-11-20 18:32:03,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:03,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871758285] [2024-11-20 18:32:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:03,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:03,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871758285] [2024-11-20 18:32:03,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871758285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:03,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701550534] [2024-11-20 18:32:03,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:03,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:03,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:03,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:03,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:32:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:03,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:32:03,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:03,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:03,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701550534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:03,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:03,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 6] total 9 [2024-11-20 18:32:03,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808264976] [2024-11-20 18:32:03,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:03,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:32:03,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:03,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:32:03,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:03,608 INFO L87 Difference]: Start difference. First operand 358 states and 462 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-20 18:32:04,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:04,159 INFO L93 Difference]: Finished difference Result 550 states and 656 transitions. [2024-11-20 18:32:04,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 18:32:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 63 [2024-11-20 18:32:04,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:04,161 INFO L225 Difference]: With dead ends: 550 [2024-11-20 18:32:04,161 INFO L226 Difference]: Without dead ends: 465 [2024-11-20 18:32:04,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 127 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:32:04,162 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 363 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:04,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 448 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:04,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-20 18:32:04,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 409. [2024-11-20 18:32:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 315 states have (on average 1.457142857142857) internal successors, (459), 371 states have internal predecessors, (459), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 531 transitions. [2024-11-20 18:32:04,180 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 531 transitions. Word has length 63 [2024-11-20 18:32:04,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:04,181 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 531 transitions. [2024-11-20 18:32:04,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-20 18:32:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 531 transitions. [2024-11-20 18:32:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-20 18:32:04,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:04,182 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-20 18:32:04,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:04,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:04,382 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:04,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash 122279769, now seen corresponding path program 1 times [2024-11-20 18:32:04,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:04,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12833696] [2024-11-20 18:32:04,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:04,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:04,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460078377] [2024-11-20 18:32:04,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:04,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:04,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:04,394 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:04,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:32:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:04,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:32:04,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:04,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:04,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:04,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12833696] [2024-11-20 18:32:04,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:04,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460078377] [2024-11-20 18:32:04,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460078377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:04,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:04,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-20 18:32:04,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899731409] [2024-11-20 18:32:04,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:04,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:04,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:04,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:04,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:32:04,700 INFO L87 Difference]: Start difference. First operand 409 states and 531 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:04,872 INFO L93 Difference]: Finished difference Result 447 states and 580 transitions. [2024-11-20 18:32:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:32:04,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2024-11-20 18:32:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:04,876 INFO L225 Difference]: With dead ends: 447 [2024-11-20 18:32:04,876 INFO L226 Difference]: Without dead ends: 445 [2024-11-20 18:32:04,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:32:04,878 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:04,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 158 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:32:04,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-20 18:32:04,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 411. [2024-11-20 18:32:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 317 states have (on average 1.4479495268138802) internal successors, (459), 373 states have internal predecessors, (459), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 531 transitions. [2024-11-20 18:32:04,908 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 531 transitions. Word has length 63 [2024-11-20 18:32:04,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:04,909 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 531 transitions. [2024-11-20 18:32:04,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 531 transitions. [2024-11-20 18:32:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-20 18:32:04,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:04,909 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2024-11-20 18:32:04,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-20 18:32:05,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:05,110 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:05,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:05,110 INFO L85 PathProgramCache]: Analyzing trace with hash 168760158, now seen corresponding path program 1 times [2024-11-20 18:32:05,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:05,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286376481] [2024-11-20 18:32:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 18:32:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-20 18:32:05,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:05,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286376481] [2024-11-20 18:32:05,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286376481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:05,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101579237] [2024-11-20 18:32:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:05,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:05,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:05,217 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:05,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:32:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:05,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:32:05,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:32:05,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:05,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101579237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:05,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:05,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-20 18:32:05,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496310616] [2024-11-20 18:32:05,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:05,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:05,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:05,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:05,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:05,415 INFO L87 Difference]: Start difference. First operand 411 states and 531 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:05,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:05,788 INFO L93 Difference]: Finished difference Result 452 states and 591 transitions. [2024-11-20 18:32:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:32:05,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2024-11-20 18:32:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:05,790 INFO L225 Difference]: With dead ends: 452 [2024-11-20 18:32:05,790 INFO L226 Difference]: Without dead ends: 451 [2024-11-20 18:32:05,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:05,791 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 88 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:05,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 133 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-20 18:32:05,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 411. [2024-11-20 18:32:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 317 states have (on average 1.4416403785488958) internal successors, (457), 373 states have internal predecessors, (457), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 529 transitions. [2024-11-20 18:32:05,810 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 529 transitions. Word has length 65 [2024-11-20 18:32:05,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:05,811 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 529 transitions. [2024-11-20 18:32:05,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 529 transitions. [2024-11-20 18:32:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-20 18:32:05,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:05,812 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:05,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:06,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-20 18:32:06,013 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:06,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash -504294404, now seen corresponding path program 1 times [2024-11-20 18:32:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:06,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330703431] [2024-11-20 18:32:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:06,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645007796] [2024-11-20 18:32:06,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:06,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:06,027 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:06,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:32:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:32:06,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:06,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:06,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:06,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330703431] [2024-11-20 18:32:06,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:06,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645007796] [2024-11-20 18:32:06,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645007796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:06,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:06,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-20 18:32:06,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016329024] [2024-11-20 18:32:06,378 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:06,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:06,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:06,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:06,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:32:06,379 INFO L87 Difference]: Start difference. First operand 411 states and 529 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:06,634 INFO L93 Difference]: Finished difference Result 447 states and 574 transitions. [2024-11-20 18:32:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:32:06,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-20 18:32:06,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:06,636 INFO L225 Difference]: With dead ends: 447 [2024-11-20 18:32:06,636 INFO L226 Difference]: Without dead ends: 445 [2024-11-20 18:32:06,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:32:06,636 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 39 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:06,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 201 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-20 18:32:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2024-11-20 18:32:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 319 states have (on average 1.432601880877743) internal successors, (457), 375 states have internal predecessors, (457), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 529 transitions. [2024-11-20 18:32:06,655 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 529 transitions. Word has length 64 [2024-11-20 18:32:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:06,655 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 529 transitions. [2024-11-20 18:32:06,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 529 transitions. [2024-11-20 18:32:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 18:32:06,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:06,656 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1] [2024-11-20 18:32:06,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-20 18:32:06,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:06,861 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:06,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:06,861 INFO L85 PathProgramCache]: Analyzing trace with hash 936597749, now seen corresponding path program 1 times [2024-11-20 18:32:06,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:06,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061701841] [2024-11-20 18:32:06,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:06,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 18:32:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:32:06,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061701841] [2024-11-20 18:32:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061701841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693824373] [2024-11-20 18:32:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:06,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:06,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:06,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:32:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:07,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:32:07,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:32:07,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693824373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:07,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:07,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-20 18:32:07,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327296249] [2024-11-20 18:32:07,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:07,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:07,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:07,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:07,197 INFO L87 Difference]: Start difference. First operand 413 states and 529 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:07,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:07,620 INFO L93 Difference]: Finished difference Result 452 states and 585 transitions. [2024-11-20 18:32:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:07,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-20 18:32:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:07,623 INFO L225 Difference]: With dead ends: 452 [2024-11-20 18:32:07,623 INFO L226 Difference]: Without dead ends: 451 [2024-11-20 18:32:07,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:07,623 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 85 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:07,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 145 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:07,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-20 18:32:07,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 413. [2024-11-20 18:32:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 319 states have (on average 1.426332288401254) internal successors, (455), 375 states have internal predecessors, (455), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 527 transitions. [2024-11-20 18:32:07,642 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 527 transitions. Word has length 66 [2024-11-20 18:32:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:07,643 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 527 transitions. [2024-11-20 18:32:07,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 527 transitions. [2024-11-20 18:32:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 18:32:07,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:07,644 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-20 18:32:07,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-20 18:32:07,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:07,844 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:07,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash 361066525, now seen corresponding path program 1 times [2024-11-20 18:32:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620244463] [2024-11-20 18:32:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:07,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113246536] [2024-11-20 18:32:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:07,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:07,863 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:07,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:32:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:07,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:07,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-20 18:32:07,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:07,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:07,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620244463] [2024-11-20 18:32:07,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:07,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113246536] [2024-11-20 18:32:07,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113246536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:07,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:07,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:07,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170343505] [2024-11-20 18:32:07,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:07,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:07,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:07,954 INFO L87 Difference]: Start difference. First operand 413 states and 527 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:08,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:08,228 INFO L93 Difference]: Finished difference Result 460 states and 568 transitions. [2024-11-20 18:32:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:08,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-11-20 18:32:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:08,230 INFO L225 Difference]: With dead ends: 460 [2024-11-20 18:32:08,230 INFO L226 Difference]: Without dead ends: 459 [2024-11-20 18:32:08,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:08,230 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 80 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:08,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 227 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:08,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-20 18:32:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 413. [2024-11-20 18:32:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 319 states have (on average 1.4200626959247649) internal successors, (453), 375 states have internal predecessors, (453), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 525 transitions. [2024-11-20 18:32:08,249 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 525 transitions. Word has length 67 [2024-11-20 18:32:08,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:08,249 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 525 transitions. [2024-11-20 18:32:08,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 525 transitions. [2024-11-20 18:32:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 18:32:08,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:08,250 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-20 18:32:08,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-20 18:32:08,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:08,451 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:08,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:08,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1691839552, now seen corresponding path program 1 times [2024-11-20 18:32:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:08,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521662495] [2024-11-20 18:32:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:08,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100023228] [2024-11-20 18:32:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:08,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:08,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:08,468 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:08,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-20 18:32:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:08,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:08,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 18:32:08,599 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:08,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521662495] [2024-11-20 18:32:08,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:08,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100023228] [2024-11-20 18:32:08,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100023228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:08,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:08,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:32:08,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483511961] [2024-11-20 18:32:08,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:08,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:32:08,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:32:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:08,602 INFO L87 Difference]: Start difference. First operand 413 states and 525 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:08,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:08,857 INFO L93 Difference]: Finished difference Result 462 states and 566 transitions. [2024-11-20 18:32:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:32:08,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-20 18:32:08,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:08,859 INFO L225 Difference]: With dead ends: 462 [2024-11-20 18:32:08,859 INFO L226 Difference]: Without dead ends: 459 [2024-11-20 18:32:08,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:32:08,860 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 119 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:08,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 176 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:08,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-20 18:32:08,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 419. [2024-11-20 18:32:08,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 325 states have (on average 1.4123076923076923) internal successors, (459), 381 states have internal predecessors, (459), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:32:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 531 transitions. [2024-11-20 18:32:08,879 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 531 transitions. Word has length 68 [2024-11-20 18:32:08,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:08,879 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 531 transitions. [2024-11-20 18:32:08,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:32:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 531 transitions. [2024-11-20 18:32:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 18:32:08,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:08,880 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-20 18:32:08,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-20 18:32:09,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-20 18:32:09,080 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:09,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:09,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1020167632, now seen corresponding path program 1 times [2024-11-20 18:32:09,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:09,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778956670] [2024-11-20 18:32:09,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:09,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:09,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172890188] [2024-11-20 18:32:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:09,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:09,093 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:09,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-20 18:32:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:09,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:09,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:32:09,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:09,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:09,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778956670] [2024-11-20 18:32:09,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:09,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172890188] [2024-11-20 18:32:09,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172890188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:09,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:09,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:32:09,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4473335] [2024-11-20 18:32:09,483 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:09,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:09,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:09,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:09,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:09,484 INFO L87 Difference]: Start difference. First operand 419 states and 531 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:09,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:09,871 INFO L93 Difference]: Finished difference Result 622 states and 816 transitions. [2024-11-20 18:32:09,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:32:09,872 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-20 18:32:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:09,875 INFO L225 Difference]: With dead ends: 622 [2024-11-20 18:32:09,875 INFO L226 Difference]: Without dead ends: 618 [2024-11-20 18:32:09,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:09,876 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 386 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:09,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 334 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:09,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-20 18:32:09,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 505. [2024-11-20 18:32:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 400 states have (on average 1.445) internal successors, (578), 457 states have internal predecessors, (578), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-20 18:32:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 672 transitions. [2024-11-20 18:32:09,899 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 672 transitions. Word has length 74 [2024-11-20 18:32:09,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:09,899 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 672 transitions. [2024-11-20 18:32:09,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 672 transitions. [2024-11-20 18:32:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-20 18:32:09,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:09,900 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-20 18:32:09,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:10,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-20 18:32:10,100 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:10,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1560425454, now seen corresponding path program 1 times [2024-11-20 18:32:10,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:10,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104594824] [2024-11-20 18:32:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:10,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:10,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835145247] [2024-11-20 18:32:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:10,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:10,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:10,113 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:10,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-20 18:32:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:10,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:10,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:32:10,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:10,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:10,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104594824] [2024-11-20 18:32:10,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:10,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835145247] [2024-11-20 18:32:10,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835145247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:10,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:10,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:32:10,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109880451] [2024-11-20 18:32:10,619 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:10,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:10,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:10,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:10,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:10,620 INFO L87 Difference]: Start difference. First operand 505 states and 672 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:10,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:10,923 INFO L93 Difference]: Finished difference Result 527 states and 685 transitions. [2024-11-20 18:32:10,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:32:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-20 18:32:10,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:10,926 INFO L225 Difference]: With dead ends: 527 [2024-11-20 18:32:10,926 INFO L226 Difference]: Without dead ends: 521 [2024-11-20 18:32:10,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:10,926 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 242 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:10,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 414 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:10,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-20 18:32:10,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 499. [2024-11-20 18:32:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 400 states have (on average 1.4) internal successors, (560), 451 states have internal predecessors, (560), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-20 18:32:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 654 transitions. [2024-11-20 18:32:10,950 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 654 transitions. Word has length 75 [2024-11-20 18:32:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:10,950 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 654 transitions. [2024-11-20 18:32:10,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 654 transitions. [2024-11-20 18:32:10,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-20 18:32:10,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:10,952 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-20 18:32:10,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-20 18:32:11,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:11,156 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:11,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:11,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1128548750, now seen corresponding path program 1 times [2024-11-20 18:32:11,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:11,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944680691] [2024-11-20 18:32:11,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:11,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:11,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [921580578] [2024-11-20 18:32:11,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:11,166 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:11,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-20 18:32:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:11,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:32:11,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:32:11,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944680691] [2024-11-20 18:32:11,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921580578] [2024-11-20 18:32:11,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921580578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:11,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:11,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:32:11,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738609087] [2024-11-20 18:32:11,666 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:11,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:32:11,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:11,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:32:11,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:32:11,667 INFO L87 Difference]: Start difference. First operand 499 states and 654 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:12,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:12,214 INFO L93 Difference]: Finished difference Result 668 states and 907 transitions. [2024-11-20 18:32:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:32:12,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-20 18:32:12,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:12,217 INFO L225 Difference]: With dead ends: 668 [2024-11-20 18:32:12,217 INFO L226 Difference]: Without dead ends: 660 [2024-11-20 18:32:12,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:32:12,217 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 471 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:12,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 295 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:32:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-20 18:32:12,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 625. [2024-11-20 18:32:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 512 states have (on average 1.44921875) internal successors, (742), 564 states have internal predecessors, (742), 61 states have call successors, (61), 4 states have call predecessors, (61), 4 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-20 18:32:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 864 transitions. [2024-11-20 18:32:12,245 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 864 transitions. Word has length 76 [2024-11-20 18:32:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:12,246 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 864 transitions. [2024-11-20 18:32:12,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 864 transitions. [2024-11-20 18:32:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 18:32:12,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:12,246 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-20 18:32:12,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:12,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:12,447 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:12,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:12,447 INFO L85 PathProgramCache]: Analyzing trace with hash -625272812, now seen corresponding path program 1 times [2024-11-20 18:32:12,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:12,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925169579] [2024-11-20 18:32:12,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:12,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:12,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111138954] [2024-11-20 18:32:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:12,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:12,458 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:12,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-20 18:32:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:12,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:32:12,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:32:12,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:13,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:13,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925169579] [2024-11-20 18:32:13,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:13,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111138954] [2024-11-20 18:32:13,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111138954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:13,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:13,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:32:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275726402] [2024-11-20 18:32:13,079 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:13,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:32:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:13,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:32:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:32:13,080 INFO L87 Difference]: Start difference. First operand 625 states and 864 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:13,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:13,663 INFO L93 Difference]: Finished difference Result 744 states and 1031 transitions. [2024-11-20 18:32:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:32:13,663 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-20 18:32:13,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:13,665 INFO L225 Difference]: With dead ends: 744 [2024-11-20 18:32:13,666 INFO L226 Difference]: Without dead ends: 742 [2024-11-20 18:32:13,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:32:13,667 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 469 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:13,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 344 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:32:13,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-20 18:32:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 668. [2024-11-20 18:32:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 550 states have (on average 1.4418181818181819) internal successors, (793), 602 states have internal predecessors, (793), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 61 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 18:32:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 925 transitions. [2024-11-20 18:32:13,701 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 925 transitions. Word has length 77 [2024-11-20 18:32:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:13,701 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 925 transitions. [2024-11-20 18:32:13,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 925 transitions. [2024-11-20 18:32:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 18:32:13,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:13,702 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-20 18:32:13,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:13,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:13,903 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:13,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2091379380, now seen corresponding path program 1 times [2024-11-20 18:32:13,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:13,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824702752] [2024-11-20 18:32:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:13,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:13,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558221287] [2024-11-20 18:32:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:13,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:13,917 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:13,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-20 18:32:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:13,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 18:32:13,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:32:14,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:14,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:14,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824702752] [2024-11-20 18:32:14,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:14,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558221287] [2024-11-20 18:32:14,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558221287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:14,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:14,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-20 18:32:14,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838217394] [2024-11-20 18:32:14,422 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:14,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:32:14,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:14,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:32:14,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:32:14,423 INFO L87 Difference]: Start difference. First operand 668 states and 925 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:15,331 INFO L93 Difference]: Finished difference Result 749 states and 1026 transitions. [2024-11-20 18:32:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 18:32:15,331 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-11-20 18:32:15,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:15,334 INFO L225 Difference]: With dead ends: 749 [2024-11-20 18:32:15,334 INFO L226 Difference]: Without dead ends: 683 [2024-11-20 18:32:15,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:32:15,334 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 335 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:15,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 470 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:32:15,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-20 18:32:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 553. [2024-11-20 18:32:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 450 states have (on average 1.4577777777777778) internal successors, (656), 500 states have internal predecessors, (656), 51 states have call successors, (51), 4 states have call predecessors, (51), 4 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 18:32:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 758 transitions. [2024-11-20 18:32:15,360 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 758 transitions. Word has length 78 [2024-11-20 18:32:15,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:15,360 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 758 transitions. [2024-11-20 18:32:15,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 758 transitions. [2024-11-20 18:32:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-20 18:32:15,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:15,361 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-20 18:32:15,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-20 18:32:15,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-20 18:32:15,565 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:15,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:15,565 INFO L85 PathProgramCache]: Analyzing trace with hash 408251414, now seen corresponding path program 1 times [2024-11-20 18:32:15,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:15,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710298654] [2024-11-20 18:32:15,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:15,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:15,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390240838] [2024-11-20 18:32:15,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:15,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:15,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:15,581 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:15,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-20 18:32:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:15,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:15,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:32:15,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:17,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710298654] [2024-11-20 18:32:17,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390240838] [2024-11-20 18:32:17,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390240838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:17,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:17,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:32:17,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386319306] [2024-11-20 18:32:17,120 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:17,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:17,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:17,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:17,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-20 18:32:17,121 INFO L87 Difference]: Start difference. First operand 553 states and 758 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:17,607 INFO L93 Difference]: Finished difference Result 633 states and 870 transitions. [2024-11-20 18:32:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:32:17,607 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-11-20 18:32:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:17,609 INFO L225 Difference]: With dead ends: 633 [2024-11-20 18:32:17,609 INFO L226 Difference]: Without dead ends: 629 [2024-11-20 18:32:17,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-20 18:32:17,610 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 220 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:17,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 380 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:17,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-20 18:32:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2024-11-20 18:32:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 504 states have (on average 1.4484126984126984) internal successors, (730), 552 states have internal predecessors, (730), 57 states have call successors, (57), 4 states have call predecessors, (57), 4 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 18:32:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 844 transitions. [2024-11-20 18:32:17,636 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 844 transitions. Word has length 79 [2024-11-20 18:32:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:17,636 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 844 transitions. [2024-11-20 18:32:17,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:32:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 844 transitions. [2024-11-20 18:32:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-20 18:32:17,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:17,637 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-20 18:32:17,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-20 18:32:17,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-20 18:32:17,837 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:17,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash 806829775, now seen corresponding path program 1 times [2024-11-20 18:32:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:17,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772380610] [2024-11-20 18:32:17,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:17,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:17,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087566552] [2024-11-20 18:32:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:17,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:17,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:17,849 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:17,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-20 18:32:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:17,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:17,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-20 18:32:18,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:18,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:18,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772380610] [2024-11-20 18:32:18,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:18,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087566552] [2024-11-20 18:32:18,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087566552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:18,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:18,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:32:18,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968510031] [2024-11-20 18:32:18,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:18,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:18,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:18,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:18,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:18,223 INFO L87 Difference]: Start difference. First operand 611 states and 844 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-20 18:32:18,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:18,539 INFO L93 Difference]: Finished difference Result 926 states and 1330 transitions. [2024-11-20 18:32:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:32:18,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2024-11-20 18:32:18,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:18,542 INFO L225 Difference]: With dead ends: 926 [2024-11-20 18:32:18,543 INFO L226 Difference]: Without dead ends: 924 [2024-11-20 18:32:18,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:18,543 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 237 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:18,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 390 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-20 18:32:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 876. [2024-11-20 18:32:18,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 738 states have (on average 1.489159891598916) internal successors, (1099), 788 states have internal predecessors, (1099), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 83 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-20 18:32:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1275 transitions. [2024-11-20 18:32:18,586 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1275 transitions. Word has length 85 [2024-11-20 18:32:18,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:18,586 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1275 transitions. [2024-11-20 18:32:18,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-20 18:32:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1275 transitions. [2024-11-20 18:32:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-20 18:32:18,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:18,587 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-20 18:32:18,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-20 18:32:18,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-20 18:32:18,788 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:18,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -758080672, now seen corresponding path program 1 times [2024-11-20 18:32:18,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:18,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894696044] [2024-11-20 18:32:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:18,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625891958] [2024-11-20 18:32:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:18,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:18,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:18,808 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:18,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-20 18:32:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:18,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:18,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-20 18:32:19,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:19,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:19,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894696044] [2024-11-20 18:32:19,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:19,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625891958] [2024-11-20 18:32:19,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625891958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:19,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:19,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:32:19,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149271077] [2024-11-20 18:32:19,325 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:19,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:19,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:19,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:19,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:19,326 INFO L87 Difference]: Start difference. First operand 876 states and 1275 transitions. Second operand has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-20 18:32:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:19,597 INFO L93 Difference]: Finished difference Result 881 states and 1275 transitions. [2024-11-20 18:32:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:32:19,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 86 [2024-11-20 18:32:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:19,600 INFO L225 Difference]: With dead ends: 881 [2024-11-20 18:32:19,600 INFO L226 Difference]: Without dead ends: 875 [2024-11-20 18:32:19,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:19,601 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 139 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:19,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 327 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:19,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-20 18:32:19,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 691. [2024-11-20 18:32:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 579 states have (on average 1.38860103626943) internal successors, (804), 621 states have internal predecessors, (804), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 65 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 18:32:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 940 transitions. [2024-11-20 18:32:19,635 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 940 transitions. Word has length 86 [2024-11-20 18:32:19,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:19,635 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 940 transitions. [2024-11-20 18:32:19,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-20 18:32:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 940 transitions. [2024-11-20 18:32:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 18:32:19,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:19,636 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-20 18:32:19,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-20 18:32:19,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:19,836 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:19,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:19,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1043176685, now seen corresponding path program 1 times [2024-11-20 18:32:19,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:19,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495882226] [2024-11-20 18:32:19,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:19,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047069387] [2024-11-20 18:32:19,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:19,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:19,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:19,847 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:19,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-20 18:32:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:19,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:32:19,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-20 18:32:20,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:20,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:20,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495882226] [2024-11-20 18:32:20,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:20,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047069387] [2024-11-20 18:32:20,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047069387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:20,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:20,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:32:20,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604308972] [2024-11-20 18:32:20,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:20,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:32:20,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:20,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:32:20,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:32:20,227 INFO L87 Difference]: Start difference. First operand 691 states and 940 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:32:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:20,930 INFO L93 Difference]: Finished difference Result 912 states and 1271 transitions. [2024-11-20 18:32:20,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:32:20,930 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 89 [2024-11-20 18:32:20,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:20,933 INFO L225 Difference]: With dead ends: 912 [2024-11-20 18:32:20,933 INFO L226 Difference]: Without dead ends: 908 [2024-11-20 18:32:20,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:32:20,933 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 369 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:20,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 377 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:32:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-11-20 18:32:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 724. [2024-11-20 18:32:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 608 states have (on average 1.4144736842105263) internal successors, (860), 650 states have internal predecessors, (860), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 69 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 18:32:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1004 transitions. [2024-11-20 18:32:20,972 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1004 transitions. Word has length 89 [2024-11-20 18:32:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:20,972 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1004 transitions. [2024-11-20 18:32:20,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:32:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1004 transitions. [2024-11-20 18:32:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-20 18:32:20,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:20,973 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-20 18:32:20,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:21,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-20 18:32:21,173 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:21,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:21,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2021261220, now seen corresponding path program 1 times [2024-11-20 18:32:21,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:21,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309550987] [2024-11-20 18:32:21,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:21,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741866898] [2024-11-20 18:32:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:21,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:21,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:21,185 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:21,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-20 18:32:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:21,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:21,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-20 18:32:21,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:21,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:21,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309550987] [2024-11-20 18:32:21,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:21,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741866898] [2024-11-20 18:32:21,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741866898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:21,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:21,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:32:21,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039283042] [2024-11-20 18:32:21,522 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:21,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:21,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:21,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:21,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:21,523 INFO L87 Difference]: Start difference. First operand 724 states and 1004 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-20 18:32:22,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:22,024 INFO L93 Difference]: Finished difference Result 777 states and 1080 transitions. [2024-11-20 18:32:22,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:32:22,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2024-11-20 18:32:22,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:22,026 INFO L225 Difference]: With dead ends: 777 [2024-11-20 18:32:22,026 INFO L226 Difference]: Without dead ends: 773 [2024-11-20 18:32:22,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:32:22,027 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 211 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:22,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 387 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-20 18:32:22,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 757. [2024-11-20 18:32:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 639 states have (on average 1.410015649452269) internal successors, (901), 679 states have internal predecessors, (901), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 18:32:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1053 transitions. [2024-11-20 18:32:22,064 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1053 transitions. Word has length 90 [2024-11-20 18:32:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:22,065 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1053 transitions. [2024-11-20 18:32:22,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-20 18:32:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1053 transitions. [2024-11-20 18:32:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 18:32:22,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:22,065 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 18:32:22,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-20 18:32:22,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-20 18:32:22,266 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:22,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash -546514869, now seen corresponding path program 1 times [2024-11-20 18:32:22,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:22,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863592489] [2024-11-20 18:32:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:22,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:22,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863592489] [2024-11-20 18:32:22,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863592489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:22,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445835068] [2024-11-20 18:32:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:22,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:22,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:22,353 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:22,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-20 18:32:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:22,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:32:22,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:22,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:22,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445835068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:22,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:22,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-20 18:32:22,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349764192] [2024-11-20 18:32:22,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:22,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:32:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:22,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:32:22,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:32:22,698 INFO L87 Difference]: Start difference. First operand 757 states and 1053 transitions. Second operand has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-20 18:32:23,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:23,746 INFO L93 Difference]: Finished difference Result 1362 states and 1796 transitions. [2024-11-20 18:32:23,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-20 18:32:23,746 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2024-11-20 18:32:23,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:23,749 INFO L225 Difference]: With dead ends: 1362 [2024-11-20 18:32:23,750 INFO L226 Difference]: Without dead ends: 1360 [2024-11-20 18:32:23,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2024-11-20 18:32:23,751 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1799 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:23,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 881 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:32:23,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-20 18:32:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 935. [2024-11-20 18:32:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 801 states have (on average 1.4182272159800249) internal successors, (1136), 841 states have internal predecessors, (1136), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 89 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-20 18:32:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1320 transitions. [2024-11-20 18:32:23,802 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1320 transitions. Word has length 99 [2024-11-20 18:32:23,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:23,803 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1320 transitions. [2024-11-20 18:32:23,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-20 18:32:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1320 transitions. [2024-11-20 18:32:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 18:32:23,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:23,804 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 18:32:23,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-20 18:32:24,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-20 18:32:24,004 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:24,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash 374014375, now seen corresponding path program 1 times [2024-11-20 18:32:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:24,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044675269] [2024-11-20 18:32:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:24,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:24,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044675269] [2024-11-20 18:32:24,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044675269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:24,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876215859] [2024-11-20 18:32:24,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:24,084 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:24,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-20 18:32:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:24,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:32:24,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:24,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:24,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876215859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:24,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:24,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-20 18:32:24,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524165027] [2024-11-20 18:32:24,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:24,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:32:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:24,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:32:24,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:32:24,378 INFO L87 Difference]: Start difference. First operand 935 states and 1320 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-20 18:32:25,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:25,211 INFO L93 Difference]: Finished difference Result 1617 states and 2172 transitions. [2024-11-20 18:32:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-20 18:32:25,212 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2024-11-20 18:32:25,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:25,216 INFO L225 Difference]: With dead ends: 1617 [2024-11-20 18:32:25,216 INFO L226 Difference]: Without dead ends: 1615 [2024-11-20 18:32:25,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-20 18:32:25,217 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1280 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:25,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 842 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:32:25,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2024-11-20 18:32:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1182. [2024-11-20 18:32:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1025 states have (on average 1.4185365853658536) internal successors, (1454), 1065 states have internal predecessors, (1454), 115 states have call successors, (115), 4 states have call predecessors, (115), 4 states have return successors, (115), 112 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-20 18:32:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1684 transitions. [2024-11-20 18:32:25,282 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1684 transitions. Word has length 99 [2024-11-20 18:32:25,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:25,283 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1684 transitions. [2024-11-20 18:32:25,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-20 18:32:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1684 transitions. [2024-11-20 18:32:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 18:32:25,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:25,284 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 18:32:25,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:25,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-20 18:32:25,485 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:25,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash 238339323, now seen corresponding path program 1 times [2024-11-20 18:32:25,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:25,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427395311] [2024-11-20 18:32:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:25,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427395311] [2024-11-20 18:32:25,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427395311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087815425] [2024-11-20 18:32:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:25,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:25,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:25,567 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:25,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-20 18:32:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:25,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:25,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:25,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:25,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087815425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:25,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:25,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-20 18:32:25,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658887036] [2024-11-20 18:32:25,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:25,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:25,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:25,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:25,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:25,815 INFO L87 Difference]: Start difference. First operand 1182 states and 1684 transitions. Second operand has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-20 18:32:26,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:26,273 INFO L93 Difference]: Finished difference Result 1877 states and 2670 transitions. [2024-11-20 18:32:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:32:26,273 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 100 [2024-11-20 18:32:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:26,278 INFO L225 Difference]: With dead ends: 1877 [2024-11-20 18:32:26,278 INFO L226 Difference]: Without dead ends: 1875 [2024-11-20 18:32:26,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:26,279 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 279 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:26,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 317 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:26,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-11-20 18:32:26,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1459. [2024-11-20 18:32:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1278 states have (on average 1.4076682316118936) internal successors, (1799), 1318 states have internal predecessors, (1799), 139 states have call successors, (139), 4 states have call predecessors, (139), 4 states have return successors, (139), 136 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-20 18:32:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2077 transitions. [2024-11-20 18:32:26,355 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2077 transitions. Word has length 100 [2024-11-20 18:32:26,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:26,356 INFO L471 AbstractCegarLoop]: Abstraction has 1459 states and 2077 transitions. [2024-11-20 18:32:26,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-20 18:32:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2077 transitions. [2024-11-20 18:32:26,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 18:32:26,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:26,356 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:26,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-20 18:32:26,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-20 18:32:26,557 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:26,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:26,557 INFO L85 PathProgramCache]: Analyzing trace with hash 703026671, now seen corresponding path program 1 times [2024-11-20 18:32:26,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:26,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766612225] [2024-11-20 18:32:26,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:26,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766612225] [2024-11-20 18:32:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766612225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488970820] [2024-11-20 18:32:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:26,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:26,636 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:26,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-20 18:32:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:26,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:32:26,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:26,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:26,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488970820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:26,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:26,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-20 18:32:26,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659612930] [2024-11-20 18:32:26,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:26,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:26,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:26,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:26,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:26,898 INFO L87 Difference]: Start difference. First operand 1459 states and 2077 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-20 18:32:27,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:27,331 INFO L93 Difference]: Finished difference Result 2201 states and 3157 transitions. [2024-11-20 18:32:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:32:27,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 102 [2024-11-20 18:32:27,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:27,338 INFO L225 Difference]: With dead ends: 2201 [2024-11-20 18:32:27,338 INFO L226 Difference]: Without dead ends: 2199 [2024-11-20 18:32:27,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:27,339 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 203 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:27,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 447 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:27,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2024-11-20 18:32:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 1748. [2024-11-20 18:32:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1543 states have (on average 1.3972780298120544) internal successors, (2156), 1583 states have internal predecessors, (2156), 163 states have call successors, (163), 4 states have call predecessors, (163), 4 states have return successors, (163), 160 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-20 18:32:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2482 transitions. [2024-11-20 18:32:27,469 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2482 transitions. Word has length 102 [2024-11-20 18:32:27,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:27,469 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 2482 transitions. [2024-11-20 18:32:27,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-20 18:32:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2482 transitions. [2024-11-20 18:32:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 18:32:27,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:27,470 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:27,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:27,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:27,671 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:27,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:27,671 INFO L85 PathProgramCache]: Analyzing trace with hash -562644450, now seen corresponding path program 2 times [2024-11-20 18:32:27,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:27,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914422106] [2024-11-20 18:32:27,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:27,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:27,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:27,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914422106] [2024-11-20 18:32:27,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914422106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:27,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957761604] [2024-11-20 18:32:27,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:32:27,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:27,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:27,779 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:27,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-20 18:32:27,821 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:32:27,821 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:32:27,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:32:27,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:27,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:28,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957761604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:28,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:28,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-20 18:32:28,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206190284] [2024-11-20 18:32:28,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:28,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:32:28,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:28,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:32:28,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:32:28,134 INFO L87 Difference]: Start difference. First operand 1748 states and 2482 transitions. Second operand has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-20 18:32:29,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:29,016 INFO L93 Difference]: Finished difference Result 2384 states and 3241 transitions. [2024-11-20 18:32:29,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 18:32:29,017 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 108 [2024-11-20 18:32:29,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:29,023 INFO L225 Difference]: With dead ends: 2384 [2024-11-20 18:32:29,023 INFO L226 Difference]: Without dead ends: 2382 [2024-11-20 18:32:29,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=265, Invalid=547, Unknown=0, NotChecked=0, Total=812 [2024-11-20 18:32:29,024 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1163 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:29,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 903 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:32:29,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2024-11-20 18:32:29,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 1789. [2024-11-20 18:32:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1789 states, 1581 states have (on average 1.3915243516761544) internal successors, (2200), 1621 states have internal predecessors, (2200), 166 states have call successors, (166), 4 states have call predecessors, (166), 4 states have return successors, (166), 163 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-20 18:32:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2532 transitions. [2024-11-20 18:32:29,123 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2532 transitions. Word has length 108 [2024-11-20 18:32:29,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:29,123 INFO L471 AbstractCegarLoop]: Abstraction has 1789 states and 2532 transitions. [2024-11-20 18:32:29,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-20 18:32:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2532 transitions. [2024-11-20 18:32:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 18:32:29,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:29,124 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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] [2024-11-20 18:32:29,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:29,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-20 18:32:29,325 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:29,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash 732961821, now seen corresponding path program 1 times [2024-11-20 18:32:29,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:29,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264871868] [2024-11-20 18:32:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:29,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:29,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264871868] [2024-11-20 18:32:29,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264871868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:29,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396148539] [2024-11-20 18:32:29,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:29,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:29,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:29,426 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:29,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-20 18:32:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:29,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:32:29,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:32:29,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:32:29,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396148539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:29,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:29,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-20 18:32:29,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660563789] [2024-11-20 18:32:29,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:29,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:29,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:29,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:29,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:29,645 INFO L87 Difference]: Start difference. First operand 1789 states and 2532 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-20 18:32:29,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:29,726 INFO L93 Difference]: Finished difference Result 1927 states and 2697 transitions. [2024-11-20 18:32:29,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:32:29,727 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 108 [2024-11-20 18:32:29,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:29,731 INFO L225 Difference]: With dead ends: 1927 [2024-11-20 18:32:29,731 INFO L226 Difference]: Without dead ends: 287 [2024-11-20 18:32:29,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 226 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:32:29,734 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 170 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:29,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 328 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:32:29,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-20 18:32:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-11-20 18:32:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 240 states have (on average 1.1583333333333334) internal successors, (278), 258 states have internal predecessors, (278), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 18:32:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 328 transitions. [2024-11-20 18:32:29,754 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 328 transitions. Word has length 108 [2024-11-20 18:32:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:29,754 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 328 transitions. [2024-11-20 18:32:29,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-20 18:32:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 328 transitions. [2024-11-20 18:32:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-20 18:32:29,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:29,755 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:29,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:29,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:29,956 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:29,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1511407475, now seen corresponding path program 1 times [2024-11-20 18:32:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:29,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200649232] [2024-11-20 18:32:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:32:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-20 18:32:30,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:30,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200649232] [2024-11-20 18:32:30,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200649232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:30,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:30,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:32:30,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926885798] [2024-11-20 18:32:30,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:30,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:32:30,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:30,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:32:30,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:32:30,033 INFO L87 Difference]: Start difference. First operand 287 states and 328 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:32:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:30,562 INFO L93 Difference]: Finished difference Result 314 states and 350 transitions. [2024-11-20 18:32:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:32:30,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 111 [2024-11-20 18:32:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:30,564 INFO L225 Difference]: With dead ends: 314 [2024-11-20 18:32:30,564 INFO L226 Difference]: Without dead ends: 302 [2024-11-20 18:32:30,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:30,565 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 159 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:30,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 224 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:32:30,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-20 18:32:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 281. [2024-11-20 18:32:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 235 states have (on average 1.1574468085106382) internal successors, (272), 253 states have internal predecessors, (272), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 320 transitions. [2024-11-20 18:32:30,596 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 320 transitions. Word has length 111 [2024-11-20 18:32:30,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:30,596 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 320 transitions. [2024-11-20 18:32:30,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:32:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 320 transitions. [2024-11-20 18:32:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-20 18:32:30,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:30,598 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:30,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-20 18:32:30,598 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)] === [2024-11-20 18:32:30,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:30,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1668601562, now seen corresponding path program 1 times [2024-11-20 18:32:30,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:30,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821881460] [2024-11-20 18:32:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:30,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:30,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928957758] [2024-11-20 18:32:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:30,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:30,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:30,614 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:30,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-20 18:32:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:30,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:32:30,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-20 18:32:31,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:31,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821881460] [2024-11-20 18:32:31,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928957758] [2024-11-20 18:32:31,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928957758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:31,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:31,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-20 18:32:31,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184420835] [2024-11-20 18:32:31,336 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:31,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:32:31,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:31,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:32:31,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:32:31,336 INFO L87 Difference]: Start difference. First operand 281 states and 320 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:32:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:31,856 INFO L93 Difference]: Finished difference Result 298 states and 337 transitions. [2024-11-20 18:32:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:32:31,856 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 116 [2024-11-20 18:32:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:31,857 INFO L225 Difference]: With dead ends: 298 [2024-11-20 18:32:31,857 INFO L226 Difference]: Without dead ends: 297 [2024-11-20 18:32:31,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:32:31,858 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 140 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:31,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 440 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:32:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-20 18:32:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 280. [2024-11-20 18:32:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 235 states have (on average 1.1531914893617021) internal successors, (271), 252 states have internal predecessors, (271), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 319 transitions. [2024-11-20 18:32:31,877 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 319 transitions. Word has length 116 [2024-11-20 18:32:31,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:31,877 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 319 transitions. [2024-11-20 18:32:31,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:32:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 319 transitions. [2024-11-20 18:32:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-20 18:32:31,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:31,878 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:31,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-20 18:32:32,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-20 18:32:32,078 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:32,079 INFO L85 PathProgramCache]: Analyzing trace with hash 517902461, now seen corresponding path program 1 times [2024-11-20 18:32:32,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:32,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447478238] [2024-11-20 18:32:32,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:32,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:32,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840103594] [2024-11-20 18:32:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:32,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:32,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:32,092 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:32,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-20 18:32:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:32,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:32:32,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-20 18:32:32,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:32,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:32,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447478238] [2024-11-20 18:32:32,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:32,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840103594] [2024-11-20 18:32:32,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840103594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:32,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:32,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:32:32,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505460803] [2024-11-20 18:32:32,695 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:32,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:32:32,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:32,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:32:32,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:32:32,696 INFO L87 Difference]: Start difference. First operand 280 states and 319 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:32:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:33,156 INFO L93 Difference]: Finished difference Result 285 states and 323 transitions. [2024-11-20 18:32:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:32:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 117 [2024-11-20 18:32:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:33,158 INFO L225 Difference]: With dead ends: 285 [2024-11-20 18:32:33,158 INFO L226 Difference]: Without dead ends: 284 [2024-11-20 18:32:33,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:32:33,158 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 174 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:33,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 411 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-20 18:32:33,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 279. [2024-11-20 18:32:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 235 states have (on average 1.148936170212766) internal successors, (270), 251 states have internal predecessors, (270), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 318 transitions. [2024-11-20 18:32:33,179 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 318 transitions. Word has length 117 [2024-11-20 18:32:33,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:33,179 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 318 transitions. [2024-11-20 18:32:33,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:32:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 318 transitions. [2024-11-20 18:32:33,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-20 18:32:33,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:33,180 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:33,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-20 18:32:33,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-20 18:32:33,384 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:33,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:33,384 INFO L85 PathProgramCache]: Analyzing trace with hash -642214255, now seen corresponding path program 1 times [2024-11-20 18:32:33,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:33,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510574543] [2024-11-20 18:32:33,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:33,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575794511] [2024-11-20 18:32:33,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:33,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:33,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:33,396 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:33,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-20 18:32:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:33,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-20 18:32:33,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-20 18:32:34,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-20 18:32:35,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:35,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510574543] [2024-11-20 18:32:35,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:35,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575794511] [2024-11-20 18:32:35,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575794511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:35,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:32:35,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2024-11-20 18:32:35,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956840552] [2024-11-20 18:32:35,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:35,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 18:32:35,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:35,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 18:32:35,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:32:35,060 INFO L87 Difference]: Start difference. First operand 279 states and 318 transitions. Second operand has 22 states, 21 states have (on average 7.523809523809524) internal successors, (158), 22 states have internal predecessors, (158), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-20 18:32:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:38,403 INFO L93 Difference]: Finished difference Result 304 states and 343 transitions. [2024-11-20 18:32:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-20 18:32:38,404 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.523809523809524) internal successors, (158), 22 states have internal predecessors, (158), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 119 [2024-11-20 18:32:38,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:38,404 INFO L225 Difference]: With dead ends: 304 [2024-11-20 18:32:38,405 INFO L226 Difference]: Without dead ends: 300 [2024-11-20 18:32:38,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2024-11-20 18:32:38,405 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 635 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:38,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 394 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-20 18:32:38,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-20 18:32:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 278. [2024-11-20 18:32:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 235 states have (on average 1.1319148936170214) internal successors, (266), 250 states have internal predecessors, (266), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 314 transitions. [2024-11-20 18:32:38,426 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 314 transitions. Word has length 119 [2024-11-20 18:32:38,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:38,427 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 314 transitions. [2024-11-20 18:32:38,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.523809523809524) internal successors, (158), 22 states have internal predecessors, (158), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-20 18:32:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 314 transitions. [2024-11-20 18:32:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 18:32:38,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:38,427 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:38,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:38,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-20 18:32:38,628 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:38,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:38,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1429627777, now seen corresponding path program 1 times [2024-11-20 18:32:38,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:38,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823652448] [2024-11-20 18:32:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 18:32:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-20 18:32:38,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:38,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823652448] [2024-11-20 18:32:38,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823652448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:38,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694128730] [2024-11-20 18:32:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:38,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:38,773 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:38,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-20 18:32:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:38,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:32:38,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-20 18:32:39,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-20 18:32:39,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694128730] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:39,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:39,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-20 18:32:39,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791967629] [2024-11-20 18:32:39,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:39,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:32:39,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:39,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:32:39,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:32:39,617 INFO L87 Difference]: Start difference. First operand 278 states and 314 transitions. Second operand has 14 states, 13 states have (on average 16.76923076923077) internal successors, (218), 14 states have internal predecessors, (218), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 11 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-20 18:32:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:40,594 INFO L93 Difference]: Finished difference Result 300 states and 339 transitions. [2024-11-20 18:32:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:32:40,594 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.76923076923077) internal successors, (218), 14 states have internal predecessors, (218), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 11 states have call predecessors, (26), 10 states have call successors, (26) Word has length 121 [2024-11-20 18:32:40,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:40,595 INFO L225 Difference]: With dead ends: 300 [2024-11-20 18:32:40,595 INFO L226 Difference]: Without dead ends: 299 [2024-11-20 18:32:40,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-20 18:32:40,596 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 330 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:40,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 294 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:32:40,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-20 18:32:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 277. [2024-11-20 18:32:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 235 states have (on average 1.123404255319149) internal successors, (264), 249 states have internal predecessors, (264), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:40,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 312 transitions. [2024-11-20 18:32:40,619 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 312 transitions. Word has length 121 [2024-11-20 18:32:40,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:40,619 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 312 transitions. [2024-11-20 18:32:40,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.76923076923077) internal successors, (218), 14 states have internal predecessors, (218), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 11 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-20 18:32:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 312 transitions. [2024-11-20 18:32:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 18:32:40,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:40,620 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:40,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-20 18:32:40,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-20 18:32:40,820 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:40,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:40,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1368788274, now seen corresponding path program 1 times [2024-11-20 18:32:40,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:40,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309560856] [2024-11-20 18:32:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:40,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 18:32:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-20 18:32:40,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:40,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309560856] [2024-11-20 18:32:40,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309560856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:40,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862602765] [2024-11-20 18:32:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:40,899 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:40,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-20 18:32:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:40,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:32:40,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-20 18:32:41,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:32:41,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862602765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:41,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:41,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-20 18:32:41,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134113005] [2024-11-20 18:32:41,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:41,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:32:41,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:41,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:32:41,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:41,192 INFO L87 Difference]: Start difference. First operand 277 states and 312 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:32:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:41,604 INFO L93 Difference]: Finished difference Result 286 states and 321 transitions. [2024-11-20 18:32:41,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:32:41,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 122 [2024-11-20 18:32:41,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:41,605 INFO L225 Difference]: With dead ends: 286 [2024-11-20 18:32:41,605 INFO L226 Difference]: Without dead ends: 285 [2024-11-20 18:32:41,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:41,607 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 76 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:41,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 95 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:41,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-20 18:32:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2024-11-20 18:32:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 235 states have (on average 1.1148936170212767) internal successors, (262), 249 states have internal predecessors, (262), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 310 transitions. [2024-11-20 18:32:41,630 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 310 transitions. Word has length 122 [2024-11-20 18:32:41,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:41,631 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 310 transitions. [2024-11-20 18:32:41,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:32:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 310 transitions. [2024-11-20 18:32:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 18:32:41,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:41,632 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:41,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-20 18:32:41,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-20 18:32:41,832 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:41,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:41,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1874575040, now seen corresponding path program 1 times [2024-11-20 18:32:41,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:41,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983557604] [2024-11-20 18:32:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:41,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 18:32:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-20 18:32:41,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:41,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983557604] [2024-11-20 18:32:41,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983557604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:32:41,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:32:41,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:32:41,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933864476] [2024-11-20 18:32:41,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:41,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:32:41,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:41,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:32:41,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:32:41,893 INFO L87 Difference]: Start difference. First operand 277 states and 310 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 18:32:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:42,305 INFO L93 Difference]: Finished difference Result 286 states and 319 transitions. [2024-11-20 18:32:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:32:42,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 122 [2024-11-20 18:32:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:42,307 INFO L225 Difference]: With dead ends: 286 [2024-11-20 18:32:42,307 INFO L226 Difference]: Without dead ends: 285 [2024-11-20 18:32:42,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:32:42,307 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 94 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:42,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 270 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:42,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-20 18:32:42,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2024-11-20 18:32:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 235 states have (on average 1.1106382978723404) internal successors, (261), 249 states have internal predecessors, (261), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:32:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 309 transitions. [2024-11-20 18:32:42,330 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 309 transitions. Word has length 122 [2024-11-20 18:32:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:42,330 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 309 transitions. [2024-11-20 18:32:42,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 18:32:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 309 transitions. [2024-11-20 18:32:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 18:32:42,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:42,331 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2024-11-20 18:32:42,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-20 18:32:42,331 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:42,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash 317864946, now seen corresponding path program 1 times [2024-11-20 18:32:42,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:42,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863335804] [2024-11-20 18:32:42,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:42,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 18:32:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 49 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-20 18:32:42,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:42,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863335804] [2024-11-20 18:32:42,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863335804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:42,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451164590] [2024-11-20 18:32:42,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:42,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:42,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:42,449 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:42,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-20 18:32:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:42,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:42,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 49 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-20 18:32:42,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:42,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451164590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:42,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:32:42,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2024-11-20 18:32:42,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762359115] [2024-11-20 18:32:42,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:42,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:32:42,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:42,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:32:42,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:32:42,779 INFO L87 Difference]: Start difference. First operand 277 states and 309 transitions. Second operand has 10 states, 9 states have (on average 9.88888888888889) internal successors, (89), 10 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 18:32:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:43,450 INFO L93 Difference]: Finished difference Result 289 states and 318 transitions. [2024-11-20 18:32:43,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:32:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.88888888888889) internal successors, (89), 10 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 122 [2024-11-20 18:32:43,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:43,451 INFO L225 Difference]: With dead ends: 289 [2024-11-20 18:32:43,451 INFO L226 Difference]: Without dead ends: 267 [2024-11-20 18:32:43,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:32:43,452 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 125 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:43,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 687 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:32:43,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-20 18:32:43,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 255. [2024-11-20 18:32:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 215 states have (on average 1.1162790697674418) internal successors, (240), 228 states have internal predecessors, (240), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 286 transitions. [2024-11-20 18:32:43,475 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 286 transitions. Word has length 122 [2024-11-20 18:32:43,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:43,476 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 286 transitions. [2024-11-20 18:32:43,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.88888888888889) internal successors, (89), 10 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 18:32:43,476 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 286 transitions. [2024-11-20 18:32:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-20 18:32:43,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:43,477 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:43,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-20 18:32:43,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:43,677 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:43,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:43,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2064465340, now seen corresponding path program 1 times [2024-11-20 18:32:43,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:43,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563810328] [2024-11-20 18:32:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:43,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897937291] [2024-11-20 18:32:43,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:43,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:43,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:43,690 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:43,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-20 18:32:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:43,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:32:43,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:44,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:44,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:44,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563810328] [2024-11-20 18:32:44,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:44,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897937291] [2024-11-20 18:32:44,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897937291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:44,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:44,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:32:44,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629680036] [2024-11-20 18:32:44,093 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:44,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:32:44,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:44,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:32:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:44,093 INFO L87 Difference]: Start difference. First operand 255 states and 286 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:32:44,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:44,294 INFO L93 Difference]: Finished difference Result 264 states and 295 transitions. [2024-11-20 18:32:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:32:44,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 128 [2024-11-20 18:32:44,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:44,295 INFO L225 Difference]: With dead ends: 264 [2024-11-20 18:32:44,295 INFO L226 Difference]: Without dead ends: 262 [2024-11-20 18:32:44,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:44,296 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 167 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:44,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 181 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:44,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-20 18:32:44,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 253. [2024-11-20 18:32:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 215 states have (on average 1.0976744186046512) internal successors, (236), 226 states have internal predecessors, (236), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 282 transitions. [2024-11-20 18:32:44,319 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 282 transitions. Word has length 128 [2024-11-20 18:32:44,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:44,319 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 282 transitions. [2024-11-20 18:32:44,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:32:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 282 transitions. [2024-11-20 18:32:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-20 18:32:44,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:44,320 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:44,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:44,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-20 18:32:44,521 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:44,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:44,521 INFO L85 PathProgramCache]: Analyzing trace with hash 426084052, now seen corresponding path program 1 times [2024-11-20 18:32:44,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:44,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284562367] [2024-11-20 18:32:44,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:44,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:44,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145134746] [2024-11-20 18:32:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:44,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:44,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:44,537 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:44,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-20 18:32:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:44,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:32:44,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:44,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:45,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:45,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284562367] [2024-11-20 18:32:45,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:45,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145134746] [2024-11-20 18:32:45,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145134746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:45,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:45,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:32:45,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063291527] [2024-11-20 18:32:45,054 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:45,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:32:45,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:45,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:32:45,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:32:45,055 INFO L87 Difference]: Start difference. First operand 253 states and 282 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:32:45,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:45,282 INFO L93 Difference]: Finished difference Result 270 states and 299 transitions. [2024-11-20 18:32:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:32:45,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 129 [2024-11-20 18:32:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:45,283 INFO L225 Difference]: With dead ends: 270 [2024-11-20 18:32:45,283 INFO L226 Difference]: Without dead ends: 269 [2024-11-20 18:32:45,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:32:45,283 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 50 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:45,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 236 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:45,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-20 18:32:45,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 253. [2024-11-20 18:32:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 215 states have (on average 1.0930232558139534) internal successors, (235), 226 states have internal predecessors, (235), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 281 transitions. [2024-11-20 18:32:45,307 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 281 transitions. Word has length 129 [2024-11-20 18:32:45,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:45,307 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 281 transitions. [2024-11-20 18:32:45,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:32:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 281 transitions. [2024-11-20 18:32:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-20 18:32:45,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:45,308 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:45,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:45,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:45,509 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:45,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:45,509 INFO L85 PathProgramCache]: Analyzing trace with hash -584377680, now seen corresponding path program 2 times [2024-11-20 18:32:45,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:45,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485651793] [2024-11-20 18:32:45,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:45,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:45,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331689585] [2024-11-20 18:32:45,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:32:45,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:45,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:45,520 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:45,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-20 18:32:45,564 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:32:45,565 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:32:45,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:32:45,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:45,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:46,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:46,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485651793] [2024-11-20 18:32:46,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:46,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331689585] [2024-11-20 18:32:46,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331689585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:46,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:46,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:32:46,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675585579] [2024-11-20 18:32:46,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:46,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:32:46,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:46,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:32:46,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:46,089 INFO L87 Difference]: Start difference. First operand 253 states and 281 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:32:46,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:46,316 INFO L93 Difference]: Finished difference Result 257 states and 285 transitions. [2024-11-20 18:32:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:32:46,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 129 [2024-11-20 18:32:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:46,317 INFO L225 Difference]: With dead ends: 257 [2024-11-20 18:32:46,317 INFO L226 Difference]: Without dead ends: 256 [2024-11-20 18:32:46,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:46,317 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 47 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:46,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 256 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-20 18:32:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2024-11-20 18:32:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 215 states have (on average 1.0883720930232559) internal successors, (234), 225 states have internal predecessors, (234), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 280 transitions. [2024-11-20 18:32:46,349 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 280 transitions. Word has length 129 [2024-11-20 18:32:46,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:46,349 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 280 transitions. [2024-11-20 18:32:46,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:32:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 280 transitions. [2024-11-20 18:32:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-20 18:32:46,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:46,350 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:46,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:46,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-20 18:32:46,550 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:46,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:46,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1444885782, now seen corresponding path program 1 times [2024-11-20 18:32:46,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:46,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037214029] [2024-11-20 18:32:46,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:46,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355076891] [2024-11-20 18:32:46,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:46,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:46,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:46,567 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:46,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-20 18:32:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:46,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-20 18:32:46,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-20 18:32:46,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:47,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:47,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037214029] [2024-11-20 18:32:47,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:47,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355076891] [2024-11-20 18:32:47,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355076891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:47,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:47,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-20 18:32:47,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694545711] [2024-11-20 18:32:47,238 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:47,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:32:47,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:47,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:32:47,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:32:47,238 INFO L87 Difference]: Start difference. First operand 252 states and 280 transitions. Second operand has 13 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:32:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:47,711 INFO L93 Difference]: Finished difference Result 268 states and 297 transitions. [2024-11-20 18:32:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:32:47,711 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 131 [2024-11-20 18:32:47,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:47,712 INFO L225 Difference]: With dead ends: 268 [2024-11-20 18:32:47,712 INFO L226 Difference]: Without dead ends: 267 [2024-11-20 18:32:47,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:32:47,712 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 264 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:47,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 408 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:47,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-20 18:32:47,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 252. [2024-11-20 18:32:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 215 states have (on average 1.083720930232558) internal successors, (233), 225 states have internal predecessors, (233), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 279 transitions. [2024-11-20 18:32:47,735 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 279 transitions. Word has length 131 [2024-11-20 18:32:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:47,735 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 279 transitions. [2024-11-20 18:32:47,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:32:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 279 transitions. [2024-11-20 18:32:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-20 18:32:47,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:47,736 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:47,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:47,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:47,936 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:47,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:47,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1053770226, now seen corresponding path program 2 times [2024-11-20 18:32:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:47,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069522120] [2024-11-20 18:32:47,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:47,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:47,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340350001] [2024-11-20 18:32:47,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:32:47,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:47,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:47,948 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:47,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-20 18:32:47,986 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:32:47,986 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:32:47,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 18:32:47,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:48,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:48,727 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:48,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:48,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069522120] [2024-11-20 18:32:48,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:48,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340350001] [2024-11-20 18:32:48,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340350001] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:48,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:32:48,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:32:48,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374750620] [2024-11-20 18:32:48,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:48,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:32:48,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:48,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:32:48,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:48,733 INFO L87 Difference]: Start difference. First operand 252 states and 279 transitions. Second operand has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 10 states have internal predecessors, (166), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-20 18:32:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:49,252 INFO L93 Difference]: Finished difference Result 272 states and 300 transitions. [2024-11-20 18:32:49,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:32:49,252 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 10 states have internal predecessors, (166), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 131 [2024-11-20 18:32:49,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:49,253 INFO L225 Difference]: With dead ends: 272 [2024-11-20 18:32:49,253 INFO L226 Difference]: Without dead ends: 269 [2024-11-20 18:32:49,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:32:49,254 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 351 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:49,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 279 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:32:49,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-20 18:32:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 251. [2024-11-20 18:32:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 215 states have (on average 1.069767441860465) internal successors, (230), 224 states have internal predecessors, (230), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 276 transitions. [2024-11-20 18:32:49,276 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 276 transitions. Word has length 131 [2024-11-20 18:32:49,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:49,276 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 276 transitions. [2024-11-20 18:32:49,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 10 states have internal predecessors, (166), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-20 18:32:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 276 transitions. [2024-11-20 18:32:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-20 18:32:49,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:49,277 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:49,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:49,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:49,477 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:49,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:49,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1841786440, now seen corresponding path program 1 times [2024-11-20 18:32:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:49,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663557785] [2024-11-20 18:32:49,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:49,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:49,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704028615] [2024-11-20 18:32:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:49,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:49,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:49,489 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:49,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-20 18:32:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:49,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 18:32:49,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:49,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-20 18:32:50,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:50,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663557785] [2024-11-20 18:32:50,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:50,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704028615] [2024-11-20 18:32:50,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704028615] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:50,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:50,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-20 18:32:50,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213223198] [2024-11-20 18:32:50,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:50,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:32:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:50,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:32:50,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:50,086 INFO L87 Difference]: Start difference. First operand 251 states and 276 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:32:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:50,284 INFO L93 Difference]: Finished difference Result 251 states and 276 transitions. [2024-11-20 18:32:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:32:50,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 132 [2024-11-20 18:32:50,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:50,285 INFO L225 Difference]: With dead ends: 251 [2024-11-20 18:32:50,285 INFO L226 Difference]: Without dead ends: 249 [2024-11-20 18:32:50,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:50,285 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 74 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:50,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 121 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-20 18:32:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-11-20 18:32:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 215 states have (on average 1.0511627906976744) internal successors, (226), 222 states have internal predecessors, (226), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 272 transitions. [2024-11-20 18:32:50,309 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 272 transitions. Word has length 132 [2024-11-20 18:32:50,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:50,309 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 272 transitions. [2024-11-20 18:32:50,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:32:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 272 transitions. [2024-11-20 18:32:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 18:32:50,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:50,310 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:50,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:50,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-20 18:32:50,511 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:50,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1260804952, now seen corresponding path program 1 times [2024-11-20 18:32:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:50,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794906634] [2024-11-20 18:32:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:50,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057110662] [2024-11-20 18:32:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:50,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:50,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:50,522 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:50,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-20 18:32:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:50,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 18:32:50,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:50,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-20 18:32:51,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:51,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794906634] [2024-11-20 18:32:51,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:51,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057110662] [2024-11-20 18:32:51,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057110662] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:51,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:51,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-20 18:32:51,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424164210] [2024-11-20 18:32:51,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:51,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:32:51,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:51,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:32:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:51,231 INFO L87 Difference]: Start difference. First operand 249 states and 272 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:32:51,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:51,887 INFO L93 Difference]: Finished difference Result 249 states and 272 transitions. [2024-11-20 18:32:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:32:51,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 133 [2024-11-20 18:32:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:51,888 INFO L225 Difference]: With dead ends: 249 [2024-11-20 18:32:51,888 INFO L226 Difference]: Without dead ends: 248 [2024-11-20 18:32:51,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 255 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:51,888 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 73 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:51,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 121 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:32:51,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-20 18:32:51,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-11-20 18:32:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 215 states have (on average 1.041860465116279) internal successors, (224), 221 states have internal predecessors, (224), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:32:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 270 transitions. [2024-11-20 18:32:51,913 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 270 transitions. Word has length 133 [2024-11-20 18:32:51,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:51,913 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 270 transitions. [2024-11-20 18:32:51,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:32:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 270 transitions. [2024-11-20 18:32:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-20 18:32:51,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:51,914 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:32:51,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:52,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-20 18:32:52,114 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:52,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2007595150, now seen corresponding path program 1 times [2024-11-20 18:32:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:52,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434049426] [2024-11-20 18:32:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:52,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:32:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:32:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:32:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:32:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:32:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:32:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:32:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:32:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:32:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 18:32:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:32:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-20 18:32:52,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:52,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434049426] [2024-11-20 18:32:52,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434049426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639931244] [2024-11-20 18:32:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:52,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:52,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:52,228 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:52,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-20 18:32:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:32:52,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-20 18:32:52,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-20 18:32:52,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639931244] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:32:52,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:32:52,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-20 18:32:52,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584244229] [2024-11-20 18:32:52,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:52,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:32:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:52,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:32:52,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:32:52,433 INFO L87 Difference]: Start difference. First operand 248 states and 270 transitions. Second operand has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-20 18:32:52,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:52,651 INFO L93 Difference]: Finished difference Result 261 states and 282 transitions. [2024-11-20 18:32:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:32:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 136 [2024-11-20 18:32:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:52,652 INFO L225 Difference]: With dead ends: 261 [2024-11-20 18:32:52,652 INFO L226 Difference]: Without dead ends: 229 [2024-11-20 18:32:52,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:32:52,653 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 35 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:52,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 210 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:32:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-20 18:32:52,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2024-11-20 18:32:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 196 states have (on average 1.0357142857142858) internal successors, (203), 201 states have internal predecessors, (203), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 18:32:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 241 transitions. [2024-11-20 18:32:52,681 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 241 transitions. Word has length 136 [2024-11-20 18:32:52,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:52,681 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 241 transitions. [2024-11-20 18:32:52,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-20 18:32:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 241 transitions. [2024-11-20 18:32:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-20 18:32:52,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:52,682 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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] [2024-11-20 18:32:52,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:52,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-20 18:32:52,882 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:52,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:52,883 INFO L85 PathProgramCache]: Analyzing trace with hash 452786586, now seen corresponding path program 1 times [2024-11-20 18:32:52,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:52,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457053858] [2024-11-20 18:32:52,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:52,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:52,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714485918] [2024-11-20 18:32:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:52,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:52,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:52,895 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:52,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-20 18:32:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:52,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:32:52,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-20 18:32:53,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-20 18:32:53,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457053858] [2024-11-20 18:32:53,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714485918] [2024-11-20 18:32:53,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714485918] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:53,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:53,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-20 18:32:53,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269100799] [2024-11-20 18:32:53,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:32:53,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:32:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:53,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:32:53,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:32:53,674 INFO L87 Difference]: Start difference. First operand 225 states and 241 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:32:54,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:54,816 INFO L93 Difference]: Finished difference Result 225 states and 241 transitions. [2024-11-20 18:32:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:32:54,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 135 [2024-11-20 18:32:54,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:54,817 INFO L225 Difference]: With dead ends: 225 [2024-11-20 18:32:54,817 INFO L226 Difference]: Without dead ends: 194 [2024-11-20 18:32:54,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:32:54,817 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 109 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:54,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 132 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 18:32:54,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-20 18:32:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-20 18:32:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 168 states have (on average 1.0297619047619047) internal successors, (173), 172 states have internal predecessors, (173), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:32:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 207 transitions. [2024-11-20 18:32:54,836 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 207 transitions. Word has length 135 [2024-11-20 18:32:54,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:54,836 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 207 transitions. [2024-11-20 18:32:54,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:32:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 207 transitions. [2024-11-20 18:32:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-20 18:32:54,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:54,837 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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] [2024-11-20 18:32:54,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:55,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:55,037 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:55,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:55,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1247736967, now seen corresponding path program 1 times [2024-11-20 18:32:55,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037228112] [2024-11-20 18:32:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:55,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915173061] [2024-11-20 18:32:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:55,048 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:55,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-20 18:32:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:55,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 18:32:55,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-20 18:32:55,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:32:55,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:32:55,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037228112] [2024-11-20 18:32:55,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:32:55,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915173061] [2024-11-20 18:32:55,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915173061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:32:55,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:32:55,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-20 18:32:55,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032181937] [2024-11-20 18:32:55,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:32:55,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:32:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:32:55,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:32:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:32:55,626 INFO L87 Difference]: Start difference. First operand 194 states and 207 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-20 18:32:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:32:55,983 INFO L93 Difference]: Finished difference Result 197 states and 211 transitions. [2024-11-20 18:32:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:32:55,983 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 141 [2024-11-20 18:32:55,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:32:55,984 INFO L225 Difference]: With dead ends: 197 [2024-11-20 18:32:55,984 INFO L226 Difference]: Without dead ends: 196 [2024-11-20 18:32:55,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:32:55,984 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 141 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:32:55,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 272 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:32:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-20 18:32:56,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2024-11-20 18:32:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 168 states have (on average 1.0238095238095237) internal successors, (172), 171 states have internal predecessors, (172), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:32:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 206 transitions. [2024-11-20 18:32:56,004 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 206 transitions. Word has length 141 [2024-11-20 18:32:56,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:32:56,004 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 206 transitions. [2024-11-20 18:32:56,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-20 18:32:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 206 transitions. [2024-11-20 18:32:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-20 18:32:56,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:32:56,005 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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, 1, 1, 1, 1, 1] [2024-11-20 18:32:56,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-20 18:32:56,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2024-11-20 18:32:56,205 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:32:56,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:32:56,205 INFO L85 PathProgramCache]: Analyzing trace with hash -869052060, now seen corresponding path program 1 times [2024-11-20 18:32:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:32:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449576127] [2024-11-20 18:32:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:56,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:32:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:32:56,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055993127] [2024-11-20 18:32:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:32:56,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:32:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:32:56,219 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:32:56,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-20 18:32:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:32:56,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:32:56,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:32:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-20 18:32:56,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:00,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:00,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449576127] [2024-11-20 18:33:00,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:00,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055993127] [2024-11-20 18:33:00,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055993127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:00,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:00,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:33:00,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863016897] [2024-11-20 18:33:00,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:00,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:33:00,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:00,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:33:00,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=93, Unknown=1, NotChecked=0, Total=132 [2024-11-20 18:33:00,980 INFO L87 Difference]: Start difference. First operand 193 states and 206 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 9 states have internal predecessors, (95), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-20 18:33:01,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:01,179 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2024-11-20 18:33:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:33:01,180 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 9 states have internal predecessors, (95), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 144 [2024-11-20 18:33:01,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:01,180 INFO L225 Difference]: With dead ends: 196 [2024-11-20 18:33:01,180 INFO L226 Difference]: Without dead ends: 195 [2024-11-20 18:33:01,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=47, Invalid=108, Unknown=1, NotChecked=0, Total=156 [2024-11-20 18:33:01,181 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 74 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:01,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 257 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:01,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-20 18:33:01,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2024-11-20 18:33:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 168 states have (on average 1.0178571428571428) internal successors, (171), 170 states have internal predecessors, (171), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:33:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 205 transitions. [2024-11-20 18:33:01,200 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 205 transitions. Word has length 144 [2024-11-20 18:33:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:01,200 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 205 transitions. [2024-11-20 18:33:01,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 9 states have internal predecessors, (95), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-20 18:33:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 205 transitions. [2024-11-20 18:33:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 18:33:01,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:01,200 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:01,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:01,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:01,401 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:33:01,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:01,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1170809909, now seen corresponding path program 1 times [2024-11-20 18:33:01,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:01,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218864167] [2024-11-20 18:33:01,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:01,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772295356] [2024-11-20 18:33:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:01,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:01,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:01,415 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:01,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-20 18:33:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:01,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:33:01,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-20 18:33:01,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:01,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:01,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218864167] [2024-11-20 18:33:01,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:01,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772295356] [2024-11-20 18:33:01,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772295356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:01,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:01,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:33:01,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797402124] [2024-11-20 18:33:01,853 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:01,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:33:01,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:01,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:33:01,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:33:01,853 INFO L87 Difference]: Start difference. First operand 192 states and 205 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-20 18:33:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:02,107 INFO L93 Difference]: Finished difference Result 195 states and 209 transitions. [2024-11-20 18:33:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:33:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 145 [2024-11-20 18:33:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:02,108 INFO L225 Difference]: With dead ends: 195 [2024-11-20 18:33:02,108 INFO L226 Difference]: Without dead ends: 194 [2024-11-20 18:33:02,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:33:02,108 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:02,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 417 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:02,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-20 18:33:02,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 128. [2024-11-20 18:33:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 111 states have (on average 1.018018018018018) internal successors, (113), 112 states have internal predecessors, (113), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 18:33:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2024-11-20 18:33:02,123 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 145 [2024-11-20 18:33:02,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:02,124 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2024-11-20 18:33:02,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-20 18:33:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2024-11-20 18:33:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-20 18:33:02,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:02,124 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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] [2024-11-20 18:33:02,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:02,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:02,325 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:33:02,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1214041119, now seen corresponding path program 1 times [2024-11-20 18:33:02,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:02,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269921520] [2024-11-20 18:33:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:02,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:02,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436996367] [2024-11-20 18:33:02,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:02,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:02,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:02,342 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:02,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-20 18:33:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:02,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 18:33:02,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-20 18:33:03,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-20 18:33:04,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:04,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269921520] [2024-11-20 18:33:04,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:04,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436996367] [2024-11-20 18:33:04,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436996367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:33:04,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:33:04,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-11-20 18:33:04,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798384339] [2024-11-20 18:33:04,624 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:04,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 18:33:04,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:04,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 18:33:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:33:04,624 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand has 24 states, 23 states have (on average 8.434782608695652) internal successors, (194), 24 states have internal predecessors, (194), 10 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-20 18:33:06,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:06,291 INFO L93 Difference]: Finished difference Result 199 states and 212 transitions. [2024-11-20 18:33:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:33:06,292 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.434782608695652) internal successors, (194), 24 states have internal predecessors, (194), 10 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) Word has length 147 [2024-11-20 18:33:06,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:06,292 INFO L225 Difference]: With dead ends: 199 [2024-11-20 18:33:06,292 INFO L226 Difference]: Without dead ends: 121 [2024-11-20 18:33:06,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=280, Invalid=842, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 18:33:06,293 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 292 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:06,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 361 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 18:33:06,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-20 18:33:06,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-20 18:33:06,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.0) internal successors, (105), 105 states have internal predecessors, (105), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 18:33:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 127 transitions. [2024-11-20 18:33:06,310 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 127 transitions. Word has length 147 [2024-11-20 18:33:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:06,311 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 127 transitions. [2024-11-20 18:33:06,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.434782608695652) internal successors, (194), 24 states have internal predecessors, (194), 10 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-20 18:33:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2024-11-20 18:33:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 18:33:06,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:06,312 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:06,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:06,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:06,512 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-20 18:33:06,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash -168412376, now seen corresponding path program 1 times [2024-11-20 18:33:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:06,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201204149] [2024-11-20 18:33:06,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 18:33:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:33:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 18:33:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:33:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:33:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:33:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 18:33:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 18:33:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:33:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-20 18:33:06,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:06,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201204149] [2024-11-20 18:33:06,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201204149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:06,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:06,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:33:06,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866841595] [2024-11-20 18:33:06,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:06,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:06,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:06,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:06,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:06,585 INFO L87 Difference]: Start difference. First operand 121 states and 127 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:06,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:06,757 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2024-11-20 18:33:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:33:06,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 148 [2024-11-20 18:33:06,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:06,757 INFO L225 Difference]: With dead ends: 121 [2024-11-20 18:33:06,757 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:33:06,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:33:06,758 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 34 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:06,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 148 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:33:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:33:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:33:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:33:06,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2024-11-20 18:33:06,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:06,759 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:33:06,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:33:06,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2024-11-20 18:33:06,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2024-11-20 18:33:06,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2024-11-20 18:33:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2024-11-20 18:33:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2024-11-20 18:33:06,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2024-11-20 18:33:06,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2024-11-20 18:33:06,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2024-11-20 18:33:06,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2024-11-20 18:33:06,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-20 18:33:06,767 INFO L407 BasicCegarLoop]: Path program 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:06,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:33:19,801 WARN L286 SmtUtils]: Spent 13.03s on a formula simplification. DAG size of input: 371 DAG size of output: 263 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)