./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.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 d998c441c771938676edf06a0e9387fce091f1e4d7230def291c87707c204f78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:31:33,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:31:33,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:31:33,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:31:33,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:31:33,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:31:33,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:31:33,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:31:33,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:31:33,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:31:33,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:31:33,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:31:33,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:31:33,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:31:33,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:31:33,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:31:33,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:31:33,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:31:33,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:31:33,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:31:33,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:31:33,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:31:33,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:31:33,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:31:33,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:31:33,973 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:31:33,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:31:33,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:31:33,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:31:33,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:31:33,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:31:33,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:31:33,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:31:33,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:31:33,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:31:33,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:31:33,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:31:33,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:31:33,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:31:33,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:31:33,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:31:33,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:31:33,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:31:33,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:31:33,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d998c441c771938676edf06a0e9387fce091f1e4d7230def291c87707c204f78 [2024-11-19 10:31:34,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:31:34,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:31:34,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:31:34,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:31:34,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:31:34,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2024-11-19 10:31:35,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:31:35,629 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:31:35,631 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2024-11-19 10:31:35,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba21ba5ca/f09124b44dc24374ba05b2ce2d4318c3/FLAG7c9562516 [2024-11-19 10:31:36,013 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba21ba5ca/f09124b44dc24374ba05b2ce2d4318c3 [2024-11-19 10:31:36,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:31:36,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:31:36,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:31:36,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:31:36,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:31:36,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b4b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36, skipping insertion in model container [2024-11-19 10:31:36,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:31:36,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:31:36,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:31:36,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:31:36,282 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:31:36,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36 WrapperNode [2024-11-19 10:31:36,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:31:36,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:31:36,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:31:36,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:31:36,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,324 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-11-19 10:31:36,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:31:36,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:31:36,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:31:36,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:31:36,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,355 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]. [2024-11-19 10:31:36,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:31:36,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:31:36,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:31:36,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:31:36,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (1/1) ... [2024-11-19 10:31:36,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:31:36,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:36,402 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) [2024-11-19 10:31:36,405 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 [2024-11-19 10:31:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:31:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:31:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:31:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:31:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:31:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:31:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:31:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:31:36,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:31:36,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:31:36,847 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-19 10:31:36,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:31:36,860 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:31:36,861 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:31:36,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:36 BoogieIcfgContainer [2024-11-19 10:31:36,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:31:36,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:31:36,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:31:36,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:31:36,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:31:36" (1/3) ... [2024-11-19 10:31:36,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7139a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:31:36, skipping insertion in model container [2024-11-19 10:31:36,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:36" (2/3) ... [2024-11-19 10:31:36,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7139a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:31:36, skipping insertion in model container [2024-11-19 10:31:36,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:36" (3/3) ... [2024-11-19 10:31:36,868 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound50.c [2024-11-19 10:31:36,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:31:36,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-19 10:31:36,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:31:36,943 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;@2854a3b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:31:36,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-19 10:31:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:31:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:31:36,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:36,955 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:36,956 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)] === [2024-11-19 10:31:36,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:36,960 INFO L85 PathProgramCache]: Analyzing trace with hash 22377743, now seen corresponding path program 1 times [2024-11-19 10:31:36,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:36,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041334597] [2024-11-19 10:31:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:36,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:31:37,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:37,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041334597] [2024-11-19 10:31:37,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041334597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:37,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423265018] [2024-11-19 10:31:37,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:37,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:37,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:37,083 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) [2024-11-19 10:31:37,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:31:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:37,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:31:37,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:31:37,145 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:37,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423265018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:37,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:37,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:31:37,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297412861] [2024-11-19 10:31:37,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:37,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:31:37,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:37,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:31:37,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:31:37,180 INFO L87 Difference]: Start difference. First operand has 141 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:37,204 INFO L93 Difference]: Finished difference Result 278 states and 295 transitions. [2024-11-19 10:31:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:31:37,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 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 14 [2024-11-19 10:31:37,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:37,214 INFO L225 Difference]: With dead ends: 278 [2024-11-19 10:31:37,214 INFO L226 Difference]: Without dead ends: 134 [2024-11-19 10:31:37,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:31:37,219 INFO L432 NwaCegarLoop]: 143 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, 143 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 [2024-11-19 10:31:37,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:31:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-19 10:31:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-19 10:31:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 128 states have internal predecessors, (130), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2024-11-19 10:31:37,285 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 14 [2024-11-19 10:31:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:37,286 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2024-11-19 10:31:37,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2024-11-19 10:31:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:31:37,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:37,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:37,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:31:37,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:31:37,492 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)] === [2024-11-19 10:31:37,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:37,493 INFO L85 PathProgramCache]: Analyzing trace with hash -370589685, now seen corresponding path program 1 times [2024-11-19 10:31:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:37,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596462275] [2024-11-19 10:31:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:37,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:37,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596462275] [2024-11-19 10:31:37,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596462275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:37,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:37,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:37,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905749456] [2024-11-19 10:31:37,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:37,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:37,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:37,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:37,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:37,568 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:37,742 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2024-11-19 10:31:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-19 10:31:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:37,744 INFO L225 Difference]: With dead ends: 134 [2024-11-19 10:31:37,744 INFO L226 Difference]: Without dead ends: 130 [2024-11-19 10:31:37,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:37,745 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 89 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:37,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 84 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:37,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-19 10:31:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-19 10:31:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 71 states have (on average 1.7746478873239437) internal successors, (126), 124 states have internal predecessors, (126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2024-11-19 10:31:37,754 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 14 [2024-11-19 10:31:37,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:37,755 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2024-11-19 10:31:37,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2024-11-19 10:31:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:31:37,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:37,756 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:37,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:31:37,756 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)] === [2024-11-19 10:31:37,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:37,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1396621692, now seen corresponding path program 1 times [2024-11-19 10:31:37,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578886445] [2024-11-19 10:31:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:37,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:37,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578886445] [2024-11-19 10:31:37,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578886445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:37,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:37,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:37,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680015075] [2024-11-19 10:31:37,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:37,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:37,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:37,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:37,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:37,813 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:37,925 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2024-11-19 10:31:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:37,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-19 10:31:37,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:37,927 INFO L225 Difference]: With dead ends: 130 [2024-11-19 10:31:37,928 INFO L226 Difference]: Without dead ends: 126 [2024-11-19 10:31:37,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:37,930 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 88 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:37,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 84 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-19 10:31:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-19 10:31:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 120 states have internal predecessors, (122), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2024-11-19 10:31:37,940 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 15 [2024-11-19 10:31:37,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:37,940 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2024-11-19 10:31:37,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2024-11-19 10:31:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:31:37,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:37,941 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:37,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:31:37,942 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)] === [2024-11-19 10:31:37,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:37,944 INFO L85 PathProgramCache]: Analyzing trace with hash 345599533, now seen corresponding path program 1 times [2024-11-19 10:31:37,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:37,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412478733] [2024-11-19 10:31:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:37,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:37,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412478733] [2024-11-19 10:31:37,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412478733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:37,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:37,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:37,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834452090] [2024-11-19 10:31:37,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:37,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:37,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:37,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:37,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:37,997 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:38,208 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2024-11-19 10:31:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:38,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-19 10:31:38,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:38,210 INFO L225 Difference]: With dead ends: 126 [2024-11-19 10:31:38,210 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 10:31:38,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:38,211 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 171 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:38,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 79 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:38,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 10:31:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-19 10:31:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.676056338028169) internal successors, (119), 117 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-11-19 10:31:38,224 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 16 [2024-11-19 10:31:38,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:38,224 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-11-19 10:31:38,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-11-19 10:31:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:31:38,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:38,226 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:38,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:31:38,226 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:38,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:38,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2123650974, now seen corresponding path program 1 times [2024-11-19 10:31:38,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:38,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902576134] [2024-11-19 10:31:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:38,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:38,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902576134] [2024-11-19 10:31:38,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902576134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:38,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:38,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:38,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452079297] [2024-11-19 10:31:38,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:38,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:38,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:38,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:38,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:38,292 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:38,440 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-11-19 10:31:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:38,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-19 10:31:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:38,441 INFO L225 Difference]: With dead ends: 123 [2024-11-19 10:31:38,441 INFO L226 Difference]: Without dead ends: 120 [2024-11-19 10:31:38,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:38,442 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 170 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:38,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 79 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:38,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-19 10:31:38,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-19 10:31:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 71 states have (on average 1.6338028169014085) internal successors, (116), 114 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2024-11-19 10:31:38,453 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 17 [2024-11-19 10:31:38,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:38,454 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2024-11-19 10:31:38,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2024-11-19 10:31:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:31:38,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:38,455 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:38,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:31:38,456 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:38,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash 719122080, now seen corresponding path program 1 times [2024-11-19 10:31:38,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:38,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010700212] [2024-11-19 10:31:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:38,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:38,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080125016] [2024-11-19 10:31:38,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:38,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:38,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:38,474 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) [2024-11-19 10:31:38,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:31:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:38,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:31:38,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:38,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:38,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:38,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010700212] [2024-11-19 10:31:38,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:38,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080125016] [2024-11-19 10:31:38,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080125016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:38,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:38,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:38,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706331873] [2024-11-19 10:31:38,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:38,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:38,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:38,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:38,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:38,521 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-19 10:31:38,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:38,583 INFO L93 Difference]: Finished difference Result 185 states and 190 transitions. [2024-11-19 10:31:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:38,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-11-19 10:31:38,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:38,585 INFO L225 Difference]: With dead ends: 185 [2024-11-19 10:31:38,585 INFO L226 Difference]: Without dead ends: 179 [2024-11-19 10:31:38,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:38,586 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 57 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:38,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 217 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:38,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-19 10:31:38,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 145. [2024-11-19 10:31:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.631578947368421) internal successors, (155), 138 states have internal predecessors, (155), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:31:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 163 transitions. [2024-11-19 10:31:38,596 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 163 transitions. Word has length 19 [2024-11-19 10:31:38,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:38,597 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 163 transitions. [2024-11-19 10:31:38,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-19 10:31:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 163 transitions. [2024-11-19 10:31:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:31:38,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:38,597 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:38,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:31:38,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-19 10:31:38,802 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:38,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:38,802 INFO L85 PathProgramCache]: Analyzing trace with hash -413413982, now seen corresponding path program 1 times [2024-11-19 10:31:38,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:38,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131716900] [2024-11-19 10:31:38,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:38,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:38,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [377605909] [2024-11-19 10:31:38,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:38,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:38,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:38,816 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) [2024-11-19 10:31:38,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:31:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:38,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:31:38,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:38,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:38,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:38,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131716900] [2024-11-19 10:31:38,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:38,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377605909] [2024-11-19 10:31:38,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377605909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:38,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:38,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:38,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788296078] [2024-11-19 10:31:38,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:38,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:38,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:38,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:38,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:38,875 INFO L87 Difference]: Start difference. First operand 145 states and 163 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-19 10:31:38,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:38,916 INFO L93 Difference]: Finished difference Result 242 states and 264 transitions. [2024-11-19 10:31:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:38,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 21 [2024-11-19 10:31:38,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:38,918 INFO L225 Difference]: With dead ends: 242 [2024-11-19 10:31:38,918 INFO L226 Difference]: Without dead ends: 236 [2024-11-19 10:31:38,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:38,919 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 87 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:38,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:31:38,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-19 10:31:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 194. [2024-11-19 10:31:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6433566433566433) internal successors, (235), 186 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 245 transitions. [2024-11-19 10:31:38,932 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 245 transitions. Word has length 21 [2024-11-19 10:31:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:38,932 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 245 transitions. [2024-11-19 10:31:38,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-19 10:31:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 245 transitions. [2024-11-19 10:31:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:31:38,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:38,937 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:38,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:31:39,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:39,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:39,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:39,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2141123748, now seen corresponding path program 1 times [2024-11-19 10:31:39,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:39,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859891574] [2024-11-19 10:31:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:39,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:39,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599722752] [2024-11-19 10:31:39,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:39,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:39,151 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) [2024-11-19 10:31:39,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:31:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:39,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:39,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:39,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:39,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:39,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859891574] [2024-11-19 10:31:39,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:39,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599722752] [2024-11-19 10:31:39,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599722752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:39,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:39,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:39,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299615870] [2024-11-19 10:31:39,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:39,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:39,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:39,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:39,216 INFO L87 Difference]: Start difference. First operand 194 states and 245 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:39,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:39,403 INFO L93 Difference]: Finished difference Result 262 states and 316 transitions. [2024-11-19 10:31:39,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:39,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-19 10:31:39,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:39,405 INFO L225 Difference]: With dead ends: 262 [2024-11-19 10:31:39,405 INFO L226 Difference]: Without dead ends: 260 [2024-11-19 10:31:39,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:39,406 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 122 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:39,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 232 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:39,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-19 10:31:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 195. [2024-11-19 10:31:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6319444444444444) internal successors, (235), 187 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2024-11-19 10:31:39,437 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 23 [2024-11-19 10:31:39,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:39,438 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2024-11-19 10:31:39,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2024-11-19 10:31:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:31:39,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:39,438 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:39,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:39,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:39,639 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:39,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1950326812, now seen corresponding path program 1 times [2024-11-19 10:31:39,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:39,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058203103] [2024-11-19 10:31:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:39,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255511475] [2024-11-19 10:31:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:39,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:39,660 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) [2024-11-19 10:31:39,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:31:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:39,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:39,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:39,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:39,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:39,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058203103] [2024-11-19 10:31:39,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:39,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255511475] [2024-11-19 10:31:39,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255511475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:39,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:39,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:39,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647308073] [2024-11-19 10:31:39,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:39,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:39,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:39,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:39,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:39,730 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:39,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:39,875 INFO L93 Difference]: Finished difference Result 261 states and 314 transitions. [2024-11-19 10:31:39,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:39,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-19 10:31:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:39,877 INFO L225 Difference]: With dead ends: 261 [2024-11-19 10:31:39,877 INFO L226 Difference]: Without dead ends: 259 [2024-11-19 10:31:39,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:39,878 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 120 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:39,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 235 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:39,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-19 10:31:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 196. [2024-11-19 10:31:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.6206896551724137) internal successors, (235), 188 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 245 transitions. [2024-11-19 10:31:39,885 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 245 transitions. Word has length 24 [2024-11-19 10:31:39,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:39,885 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 245 transitions. [2024-11-19 10:31:39,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 245 transitions. [2024-11-19 10:31:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:31:39,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:39,886 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:39,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:31:40,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,087 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:40,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:40,087 INFO L85 PathProgramCache]: Analyzing trace with hash 330589094, now seen corresponding path program 1 times [2024-11-19 10:31:40,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:40,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29763589] [2024-11-19 10:31:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:40,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122298124] [2024-11-19 10:31:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:40,097 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) [2024-11-19 10:31:40,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:31:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:40,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:40,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:40,155 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:40,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:40,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29763589] [2024-11-19 10:31:40,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:40,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122298124] [2024-11-19 10:31:40,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122298124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:40,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:40,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:40,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260404547] [2024-11-19 10:31:40,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:40,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:40,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:40,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:40,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:40,156 INFO L87 Difference]: Start difference. First operand 196 states and 245 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:40,286 INFO L93 Difference]: Finished difference Result 256 states and 274 transitions. [2024-11-19 10:31:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:40,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-19 10:31:40,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:40,287 INFO L225 Difference]: With dead ends: 256 [2024-11-19 10:31:40,287 INFO L226 Difference]: Without dead ends: 254 [2024-11-19 10:31:40,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:40,288 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 168 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:40,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 259 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:40,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-19 10:31:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 196. [2024-11-19 10:31:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.6) internal successors, (232), 188 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-19 10:31:40,295 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 25 [2024-11-19 10:31:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:40,295 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-19 10:31:40,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-19 10:31:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:31:40,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:40,296 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:40,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:31:40,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,497 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:40,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:40,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1658327390, now seen corresponding path program 1 times [2024-11-19 10:31:40,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:40,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470703000] [2024-11-19 10:31:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:40,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1199943464] [2024-11-19 10:31:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:40,507 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) [2024-11-19 10:31:40,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:31:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:40,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:40,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:40,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:40,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:40,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470703000] [2024-11-19 10:31:40,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:40,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199943464] [2024-11-19 10:31:40,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199943464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:40,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:40,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:40,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198220801] [2024-11-19 10:31:40,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:40,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:40,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:40,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:40,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:40,558 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:40,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:40,652 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2024-11-19 10:31:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:40,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-19 10:31:40,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:40,653 INFO L225 Difference]: With dead ends: 254 [2024-11-19 10:31:40,654 INFO L226 Difference]: Without dead ends: 252 [2024-11-19 10:31:40,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:40,654 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 165 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:40,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 257 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-19 10:31:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 196. [2024-11-19 10:31:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5793103448275863) internal successors, (229), 188 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 239 transitions. [2024-11-19 10:31:40,661 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 239 transitions. Word has length 26 [2024-11-19 10:31:40,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:40,662 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 239 transitions. [2024-11-19 10:31:40,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 239 transitions. [2024-11-19 10:31:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 10:31:40,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:40,662 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:40,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:31:40,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,867 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:40,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:40,867 INFO L85 PathProgramCache]: Analyzing trace with hash -131458392, now seen corresponding path program 1 times [2024-11-19 10:31:40,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:40,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970569735] [2024-11-19 10:31:40,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398626178] [2024-11-19 10:31:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:40,878 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) [2024-11-19 10:31:40,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:31:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:40,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:40,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:40,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:40,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970569735] [2024-11-19 10:31:40,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398626178] [2024-11-19 10:31:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398626178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:40,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:40,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:40,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862050946] [2024-11-19 10:31:40,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:40,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:40,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:40,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:40,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:40,934 INFO L87 Difference]: Start difference. First operand 196 states and 239 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:41,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:41,048 INFO L93 Difference]: Finished difference Result 256 states and 304 transitions. [2024-11-19 10:31:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:31:41,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-19 10:31:41,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:41,049 INFO L225 Difference]: With dead ends: 256 [2024-11-19 10:31:41,049 INFO L226 Difference]: Without dead ends: 254 [2024-11-19 10:31:41,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:41,050 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 170 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:41,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 235 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:41,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-19 10:31:41,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 199. [2024-11-19 10:31:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 191 states have internal predecessors, (231), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 241 transitions. [2024-11-19 10:31:41,057 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 241 transitions. Word has length 27 [2024-11-19 10:31:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:41,057 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 241 transitions. [2024-11-19 10:31:41,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 241 transitions. [2024-11-19 10:31:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:31:41,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:41,058 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:41,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:41,258 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,SelfDestructingSolverStorable11 [2024-11-19 10:31:41,259 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:41,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:41,259 INFO L85 PathProgramCache]: Analyzing trace with hash 219757216, now seen corresponding path program 1 times [2024-11-19 10:31:41,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:41,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269100488] [2024-11-19 10:31:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:41,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [332103975] [2024-11-19 10:31:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:41,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:41,275 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) [2024-11-19 10:31:41,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:31:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:41,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:41,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:41,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:41,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:41,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:41,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269100488] [2024-11-19 10:31:41,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:41,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332103975] [2024-11-19 10:31:41,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332103975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:41,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:41,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:41,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665365851] [2024-11-19 10:31:41,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:41,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:41,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:41,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:41,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:41,349 INFO L87 Difference]: Start difference. First operand 199 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:41,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:41,568 INFO L93 Difference]: Finished difference Result 255 states and 270 transitions. [2024-11-19 10:31:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:31:41,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-19 10:31:41,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:41,569 INFO L225 Difference]: With dead ends: 255 [2024-11-19 10:31:41,569 INFO L226 Difference]: Without dead ends: 253 [2024-11-19 10:31:41,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:41,570 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 160 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:41,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 329 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:41,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-19 10:31:41,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 199. [2024-11-19 10:31:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.5405405405405406) internal successors, (228), 191 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2024-11-19 10:31:41,576 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 28 [2024-11-19 10:31:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:41,577 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2024-11-19 10:31:41,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-11-19 10:31:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:31:41,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:41,577 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] [2024-11-19 10:31:41,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:41,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:31:41,778 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:41,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:41,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1777460822, now seen corresponding path program 1 times [2024-11-19 10:31:41,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:41,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519976136] [2024-11-19 10:31:41,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:41,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189779789] [2024-11-19 10:31:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:41,790 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) [2024-11-19 10:31:41,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:31:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:41,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:31:41,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:41,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:41,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:41,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519976136] [2024-11-19 10:31:41,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:41,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189779789] [2024-11-19 10:31:41,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189779789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:41,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:41,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:31:41,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337778517] [2024-11-19 10:31:41,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:41,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:41,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:41,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:41,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:31:41,949 INFO L87 Difference]: Start difference. First operand 199 states and 238 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:42,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:42,246 INFO L93 Difference]: Finished difference Result 251 states and 298 transitions. [2024-11-19 10:31:42,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:42,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-19 10:31:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:42,249 INFO L225 Difference]: With dead ends: 251 [2024-11-19 10:31:42,249 INFO L226 Difference]: Without dead ends: 249 [2024-11-19 10:31:42,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:31:42,250 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 246 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:42,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 217 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-19 10:31:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2024-11-19 10:31:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 193 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 239 transitions. [2024-11-19 10:31:42,255 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 239 transitions. Word has length 29 [2024-11-19 10:31:42,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:42,255 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 239 transitions. [2024-11-19 10:31:42,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 239 transitions. [2024-11-19 10:31:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:31:42,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:42,256 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] [2024-11-19 10:31:42,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:31:42,457 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,SelfDestructingSolverStorable13 [2024-11-19 10:31:42,457 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:42,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash 733289442, now seen corresponding path program 1 times [2024-11-19 10:31:42,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114020444] [2024-11-19 10:31:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:42,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:42,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114020444] [2024-11-19 10:31:42,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114020444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014739018] [2024-11-19 10:31:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:42,582 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) [2024-11-19 10:31:42,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:31:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:42,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:31:42,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:42,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:42,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014739018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:42,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:42,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 10:31:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652547602] [2024-11-19 10:31:42,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:42,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:42,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:42,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:42,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:42,705 INFO L87 Difference]: Start difference. First operand 201 states and 239 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-11-19 10:31:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:42,982 INFO L93 Difference]: Finished difference Result 251 states and 296 transitions. [2024-11-19 10:31:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:42,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 30 [2024-11-19 10:31:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:42,984 INFO L225 Difference]: With dead ends: 251 [2024-11-19 10:31:42,984 INFO L226 Difference]: Without dead ends: 249 [2024-11-19 10:31:42,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:42,985 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 245 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:42,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 207 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:42,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-19 10:31:42,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2024-11-19 10:31:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 151 states have (on average 1.5165562913907285) internal successors, (229), 194 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 239 transitions. [2024-11-19 10:31:42,993 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 239 transitions. Word has length 30 [2024-11-19 10:31:42,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:42,994 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 239 transitions. [2024-11-19 10:31:42,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-11-19 10:31:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 239 transitions. [2024-11-19 10:31:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 10:31:42,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:42,995 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] [2024-11-19 10:31:43,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:31:43,198 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,SelfDestructingSolverStorable14 [2024-11-19 10:31:43,199 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:43,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:43,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1222176686, now seen corresponding path program 1 times [2024-11-19 10:31:43,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:43,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010397393] [2024-11-19 10:31:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:43,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:43,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:43,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010397393] [2024-11-19 10:31:43,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010397393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:43,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:43,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:31:43,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627674120] [2024-11-19 10:31:43,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:43,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:43,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:43,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:43,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:31:43,298 INFO L87 Difference]: Start difference. First operand 202 states and 239 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:43,511 INFO L93 Difference]: Finished difference Result 202 states and 239 transitions. [2024-11-19 10:31:43,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:31:43,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-19 10:31:43,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:43,512 INFO L225 Difference]: With dead ends: 202 [2024-11-19 10:31:43,512 INFO L226 Difference]: Without dead ends: 200 [2024-11-19 10:31:43,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:43,513 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 118 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:43,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 207 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-19 10:31:43,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-19 10:31:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 151 states have (on average 1.4834437086092715) internal successors, (224), 192 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2024-11-19 10:31:43,519 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 33 [2024-11-19 10:31:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:43,519 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2024-11-19 10:31:43,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2024-11-19 10:31:43,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 10:31:43,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:43,520 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] [2024-11-19 10:31:43,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:31:43,520 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:43,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash -767228314, now seen corresponding path program 1 times [2024-11-19 10:31:43,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:43,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684712388] [2024-11-19 10:31:43,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:43,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:43,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030894483] [2024-11-19 10:31:43,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:43,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:43,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:43,534 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) [2024-11-19 10:31:43,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:31:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:43,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:31:43,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:43,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:43,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:43,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684712388] [2024-11-19 10:31:43,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:43,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030894483] [2024-11-19 10:31:43,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030894483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:43,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:43,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:31:43,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384147981] [2024-11-19 10:31:43,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:43,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:31:43,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:43,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:31:43,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:43,699 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:43,982 INFO L93 Difference]: Finished difference Result 243 states and 288 transitions. [2024-11-19 10:31:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:31:43,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-19 10:31:43,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:43,984 INFO L225 Difference]: With dead ends: 243 [2024-11-19 10:31:43,984 INFO L226 Difference]: Without dead ends: 241 [2024-11-19 10:31:43,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:43,985 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 291 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:43,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 129 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:43,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-19 10:31:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 204. [2024-11-19 10:31:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 196 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 237 transitions. [2024-11-19 10:31:43,991 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 237 transitions. Word has length 34 [2024-11-19 10:31:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:43,992 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 237 transitions. [2024-11-19 10:31:43,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 237 transitions. [2024-11-19 10:31:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 10:31:43,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:43,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:44,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:31:44,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:31:44,193 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:44,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1985726128, now seen corresponding path program 1 times [2024-11-19 10:31:44,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:44,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513266810] [2024-11-19 10:31:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:44,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:44,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:44,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513266810] [2024-11-19 10:31:44,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513266810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:44,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:44,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:44,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33364481] [2024-11-19 10:31:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:44,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:44,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:44,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:44,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:44,228 INFO L87 Difference]: Start difference. First operand 204 states and 237 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:44,412 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2024-11-19 10:31:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:44,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-19 10:31:44,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:44,413 INFO L225 Difference]: With dead ends: 223 [2024-11-19 10:31:44,414 INFO L226 Difference]: Without dead ends: 221 [2024-11-19 10:31:44,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:44,415 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:44,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 149 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-19 10:31:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2024-11-19 10:31:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.455128205128205) internal successors, (227), 197 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 237 transitions. [2024-11-19 10:31:44,423 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 237 transitions. Word has length 35 [2024-11-19 10:31:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:44,423 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 237 transitions. [2024-11-19 10:31:44,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 237 transitions. [2024-11-19 10:31:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:31:44,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:44,424 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:44,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:31:44,424 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)] === [2024-11-19 10:31:44,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:44,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1427967912, now seen corresponding path program 1 times [2024-11-19 10:31:44,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:44,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515271483] [2024-11-19 10:31:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:44,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:44,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515271483] [2024-11-19 10:31:44,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515271483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:44,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:44,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:44,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810051038] [2024-11-19 10:31:44,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:44,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:44,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:44,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:44,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:44,469 INFO L87 Difference]: Start difference. First operand 205 states and 237 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-19 10:31:44,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:44,677 INFO L93 Difference]: Finished difference Result 223 states and 260 transitions. [2024-11-19 10:31:44,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:44,678 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), 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 36 [2024-11-19 10:31:44,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:44,679 INFO L225 Difference]: With dead ends: 223 [2024-11-19 10:31:44,679 INFO L226 Difference]: Without dead ends: 221 [2024-11-19 10:31:44,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:44,679 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 67 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:44,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 162 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:44,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-19 10:31:44,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2024-11-19 10:31:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 157 states have (on average 1.4458598726114649) internal successors, (227), 198 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 237 transitions. [2024-11-19 10:31:44,686 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 237 transitions. Word has length 36 [2024-11-19 10:31:44,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:44,686 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 237 transitions. [2024-11-19 10:31:44,686 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), 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) [2024-11-19 10:31:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 237 transitions. [2024-11-19 10:31:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:31:44,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:44,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:44,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:31:44,689 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:44,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:44,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1095577363, now seen corresponding path program 1 times [2024-11-19 10:31:44,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:44,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036282233] [2024-11-19 10:31:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:44,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:44,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036282233] [2024-11-19 10:31:44,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036282233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:44,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:44,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:44,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135800533] [2024-11-19 10:31:44,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:44,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:44,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:44,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:44,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:44,732 INFO L87 Difference]: Start difference. First operand 206 states and 237 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:44,939 INFO L93 Difference]: Finished difference Result 223 states and 258 transitions. [2024-11-19 10:31:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2024-11-19 10:31:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:44,940 INFO L225 Difference]: With dead ends: 223 [2024-11-19 10:31:44,940 INFO L226 Difference]: Without dead ends: 221 [2024-11-19 10:31:44,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:44,940 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 308 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:44,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 130 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:44,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-19 10:31:44,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2024-11-19 10:31:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.427710843373494) internal successors, (237), 207 states have internal predecessors, (237), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 247 transitions. [2024-11-19 10:31:44,947 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 247 transitions. Word has length 46 [2024-11-19 10:31:44,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:44,947 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 247 transitions. [2024-11-19 10:31:44,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 247 transitions. [2024-11-19 10:31:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:31:44,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:44,948 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:44,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:31:44,948 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:44,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:44,948 INFO L85 PathProgramCache]: Analyzing trace with hash 396840220, now seen corresponding path program 1 times [2024-11-19 10:31:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:44,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121408325] [2024-11-19 10:31:44,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:44,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:44,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:44,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121408325] [2024-11-19 10:31:44,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121408325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:44,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:44,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:44,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676511577] [2024-11-19 10:31:44,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:44,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:44,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:44,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:44,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:44,985 INFO L87 Difference]: Start difference. First operand 215 states and 247 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-19 10:31:45,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:45,057 INFO L93 Difference]: Finished difference Result 215 states and 247 transitions. [2024-11-19 10:31:45,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:45,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 47 [2024-11-19 10:31:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:45,058 INFO L225 Difference]: With dead ends: 215 [2024-11-19 10:31:45,058 INFO L226 Difference]: Without dead ends: 214 [2024-11-19 10:31:45,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:45,059 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:45,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 151 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-19 10:31:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-19 10:31:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4156626506024097) internal successors, (235), 206 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 245 transitions. [2024-11-19 10:31:45,065 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 245 transitions. Word has length 47 [2024-11-19 10:31:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:45,066 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 245 transitions. [2024-11-19 10:31:45,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-19 10:31:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 245 transitions. [2024-11-19 10:31:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:31:45,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:45,066 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:45,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 10:31:45,067 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:45,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash -888633922, now seen corresponding path program 1 times [2024-11-19 10:31:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187574022] [2024-11-19 10:31:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:45,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:45,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187574022] [2024-11-19 10:31:45,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187574022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:45,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:45,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:45,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316914803] [2024-11-19 10:31:45,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:45,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:45,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:45,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:45,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:45,134 INFO L87 Difference]: Start difference. First operand 214 states and 245 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:45,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:45,199 INFO L93 Difference]: Finished difference Result 229 states and 262 transitions. [2024-11-19 10:31:45,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:45,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2024-11-19 10:31:45,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:45,200 INFO L225 Difference]: With dead ends: 229 [2024-11-19 10:31:45,201 INFO L226 Difference]: Without dead ends: 227 [2024-11-19 10:31:45,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:45,201 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:45,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 313 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-19 10:31:45,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2024-11-19 10:31:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.4090909090909092) internal successors, (248), 216 states have internal predecessors, (248), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 258 transitions. [2024-11-19 10:31:45,207 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 258 transitions. Word has length 49 [2024-11-19 10:31:45,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:45,208 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 258 transitions. [2024-11-19 10:31:45,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 258 transitions. [2024-11-19 10:31:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:31:45,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:45,208 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:45,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 10:31:45,209 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:45,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:45,209 INFO L85 PathProgramCache]: Analyzing trace with hash -307697720, now seen corresponding path program 1 times [2024-11-19 10:31:45,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:45,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940639148] [2024-11-19 10:31:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:45,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:45,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940639148] [2024-11-19 10:31:45,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940639148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:45,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:45,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:45,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676723875] [2024-11-19 10:31:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:45,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:45,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:45,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:45,267 INFO L87 Difference]: Start difference. First operand 224 states and 258 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:45,477 INFO L93 Difference]: Finished difference Result 225 states and 258 transitions. [2024-11-19 10:31:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:45,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2024-11-19 10:31:45,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:45,478 INFO L225 Difference]: With dead ends: 225 [2024-11-19 10:31:45,478 INFO L226 Difference]: Without dead ends: 224 [2024-11-19 10:31:45,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:45,479 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 142 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:45,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 172 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-19 10:31:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-19 10:31:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.4034090909090908) internal successors, (247), 216 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 257 transitions. [2024-11-19 10:31:45,486 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 257 transitions. Word has length 49 [2024-11-19 10:31:45,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:45,487 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 257 transitions. [2024-11-19 10:31:45,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 257 transitions. [2024-11-19 10:31:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:31:45,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:45,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:45,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:31:45,488 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:45,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash -948694607, now seen corresponding path program 1 times [2024-11-19 10:31:45,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:45,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658304986] [2024-11-19 10:31:45,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:45,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:45,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658304986] [2024-11-19 10:31:45,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658304986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:45,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:45,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:45,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076568007] [2024-11-19 10:31:45,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:45,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:45,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:45,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:45,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:45,528 INFO L87 Difference]: Start difference. First operand 224 states and 257 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-19 10:31:45,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:45,595 INFO L93 Difference]: Finished difference Result 261 states and 272 transitions. [2024-11-19 10:31:45,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:45,595 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), 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 50 [2024-11-19 10:31:45,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:45,596 INFO L225 Difference]: With dead ends: 261 [2024-11-19 10:31:45,596 INFO L226 Difference]: Without dead ends: 259 [2024-11-19 10:31:45,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:45,597 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 56 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:45,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 310 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-19 10:31:45,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 232. [2024-11-19 10:31:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 184 states have (on average 1.3858695652173914) internal successors, (255), 224 states have internal predecessors, (255), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 265 transitions. [2024-11-19 10:31:45,603 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 265 transitions. Word has length 50 [2024-11-19 10:31:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:45,604 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 265 transitions. [2024-11-19 10:31:45,604 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), 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) [2024-11-19 10:31:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 265 transitions. [2024-11-19 10:31:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 10:31:45,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:45,604 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:45,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 10:31:45,605 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:45,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 885367877, now seen corresponding path program 1 times [2024-11-19 10:31:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:45,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867047611] [2024-11-19 10:31:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:45,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600374132] [2024-11-19 10:31:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:45,615 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) [2024-11-19 10:31:45,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:31:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:45,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:31:45,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:45,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:45,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:45,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867047611] [2024-11-19 10:31:45,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:45,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600374132] [2024-11-19 10:31:45,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600374132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:45,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:45,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 10:31:45,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336396668] [2024-11-19 10:31:45,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:45,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:31:45,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:45,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:31:45,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:45,830 INFO L87 Difference]: Start difference. First operand 232 states and 265 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:46,027 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2024-11-19 10:31:46,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:46,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2024-11-19 10:31:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:46,028 INFO L225 Difference]: With dead ends: 232 [2024-11-19 10:31:46,029 INFO L226 Difference]: Without dead ends: 229 [2024-11-19 10:31:46,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:46,029 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 93 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:46,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 368 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-19 10:31:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-19 10:31:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 221 states have internal predecessors, (249), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 259 transitions. [2024-11-19 10:31:46,036 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 259 transitions. Word has length 52 [2024-11-19 10:31:46,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:46,036 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 259 transitions. [2024-11-19 10:31:46,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 259 transitions. [2024-11-19 10:31:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 10:31:46,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:46,037 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:46,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:31:46,240 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,SelfDestructingSolverStorable24 [2024-11-19 10:31:46,241 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:46,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1676600467, now seen corresponding path program 1 times [2024-11-19 10:31:46,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:46,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41043896] [2024-11-19 10:31:46,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:46,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:46,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655168706] [2024-11-19 10:31:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:46,253 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) [2024-11-19 10:31:46,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:31:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:46,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:31:46,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:46,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:47,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:47,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41043896] [2024-11-19 10:31:47,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:47,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655168706] [2024-11-19 10:31:47,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655168706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:47,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:47,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:31:47,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803119835] [2024-11-19 10:31:47,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:47,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:31:47,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:47,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:31:47,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:47,082 INFO L87 Difference]: Start difference. First operand 229 states and 259 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:47,273 INFO L93 Difference]: Finished difference Result 321 states and 378 transitions. [2024-11-19 10:31:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:47,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 53 [2024-11-19 10:31:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:47,275 INFO L225 Difference]: With dead ends: 321 [2024-11-19 10:31:47,275 INFO L226 Difference]: Without dead ends: 319 [2024-11-19 10:31:47,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:47,275 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 198 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:47,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 343 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-19 10:31:47,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 279. [2024-11-19 10:31:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 232 states have (on average 1.3879310344827587) internal successors, (322), 269 states have internal predecessors, (322), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:31:47,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 336 transitions. [2024-11-19 10:31:47,284 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 336 transitions. Word has length 53 [2024-11-19 10:31:47,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:47,284 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 336 transitions. [2024-11-19 10:31:47,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:47,284 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2024-11-19 10:31:47,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:31:47,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:47,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:47,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:31:47,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:47,485 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:47,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1429884873, now seen corresponding path program 1 times [2024-11-19 10:31:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:47,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669228814] [2024-11-19 10:31:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:47,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308310556] [2024-11-19 10:31:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:47,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:47,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:47,497 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) [2024-11-19 10:31:47,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:31:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:47,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:31:47,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:47,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:47,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:47,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669228814] [2024-11-19 10:31:47,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:47,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308310556] [2024-11-19 10:31:47,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308310556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:47,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:47,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:31:47,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930945236] [2024-11-19 10:31:47,889 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:47,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:31:47,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:47,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:31:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:47,890 INFO L87 Difference]: Start difference. First operand 279 states and 336 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:48,253 INFO L93 Difference]: Finished difference Result 279 states and 336 transitions. [2024-11-19 10:31:48,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:31:48,253 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-19 10:31:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:48,254 INFO L225 Difference]: With dead ends: 279 [2024-11-19 10:31:48,254 INFO L226 Difference]: Without dead ends: 277 [2024-11-19 10:31:48,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:31:48,255 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 174 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:48,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 212 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:48,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-19 10:31:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-19 10:31:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 232 states have (on average 1.3620689655172413) internal successors, (316), 267 states have internal predecessors, (316), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:31:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 330 transitions. [2024-11-19 10:31:48,263 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 330 transitions. Word has length 56 [2024-11-19 10:31:48,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:48,264 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 330 transitions. [2024-11-19 10:31:48,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 330 transitions. [2024-11-19 10:31:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:31:48,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:48,264 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:48,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:31:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:31:48,465 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:48,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:48,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1376758167, now seen corresponding path program 1 times [2024-11-19 10:31:48,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:48,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873616507] [2024-11-19 10:31:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:48,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287058939] [2024-11-19 10:31:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:48,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:48,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:48,477 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) [2024-11-19 10:31:48,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:31:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:48,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:31:48,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:48,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:49,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:49,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873616507] [2024-11-19 10:31:49,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:49,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287058939] [2024-11-19 10:31:49,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287058939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:49,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:49,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-19 10:31:49,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201924027] [2024-11-19 10:31:49,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:49,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:31:49,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:49,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:31:49,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:31:49,695 INFO L87 Difference]: Start difference. First operand 277 states and 330 transitions. Second operand has 17 states, 16 states have (on average 5.8125) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:54,421 INFO L93 Difference]: Finished difference Result 423 states and 509 transitions. [2024-11-19 10:31:54,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 10:31:54,427 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.8125) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 57 [2024-11-19 10:31:54,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:54,429 INFO L225 Difference]: With dead ends: 423 [2024-11-19 10:31:54,429 INFO L226 Difference]: Without dead ends: 395 [2024-11-19 10:31:54,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 10:31:54,429 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 795 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:54,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 420 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 10:31:54,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-19 10:31:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 303. [2024-11-19 10:31:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 257 states have (on average 1.3657587548638133) internal successors, (351), 292 states have internal predecessors, (351), 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) [2024-11-19 10:31:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 367 transitions. [2024-11-19 10:31:54,441 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 367 transitions. Word has length 57 [2024-11-19 10:31:54,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:54,441 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 367 transitions. [2024-11-19 10:31:54,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.8125) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 367 transitions. [2024-11-19 10:31:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:31:54,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:54,442 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:54,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:31:54,646 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,SelfDestructingSolverStorable27 [2024-11-19 10:31:54,646 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:54,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:54,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1079438727, now seen corresponding path program 1 times [2024-11-19 10:31:54,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:54,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349955012] [2024-11-19 10:31:54,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:54,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461443157] [2024-11-19 10:31:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:54,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:54,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:54,668 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) [2024-11-19 10:31:54,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:31:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:54,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:31:54,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:54,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:54,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:54,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349955012] [2024-11-19 10:31:54,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:54,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461443157] [2024-11-19 10:31:54,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461443157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:54,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:54,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:31:54,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810383056] [2024-11-19 10:31:54,957 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:54,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:54,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:54,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:54,958 INFO L87 Difference]: Start difference. First operand 303 states and 367 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-19 10:31:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:55,194 INFO L93 Difference]: Finished difference Result 313 states and 370 transitions. [2024-11-19 10:31:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:55,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 58 [2024-11-19 10:31:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:55,196 INFO L225 Difference]: With dead ends: 313 [2024-11-19 10:31:55,196 INFO L226 Difference]: Without dead ends: 309 [2024-11-19 10:31:55,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:31:55,196 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 187 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:55,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 311 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-19 10:31:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 299. [2024-11-19 10:31:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 257 states have (on average 1.3424124513618676) internal successors, (345), 288 states have internal predecessors, (345), 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) [2024-11-19 10:31:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 361 transitions. [2024-11-19 10:31:55,222 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 361 transitions. Word has length 58 [2024-11-19 10:31:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:55,223 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 361 transitions. [2024-11-19 10:31:55,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-19 10:31:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 361 transitions. [2024-11-19 10:31:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 10:31:55,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:55,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:55,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:55,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:31:55,424 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:55,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash 897137891, now seen corresponding path program 1 times [2024-11-19 10:31:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:55,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996365941] [2024-11-19 10:31:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:55,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:55,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880542891] [2024-11-19 10:31:55,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:55,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:55,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:55,447 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) [2024-11-19 10:31:55,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:31:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:55,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:31:55,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:55,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:56,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:56,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996365941] [2024-11-19 10:31:56,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:56,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880542891] [2024-11-19 10:31:56,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880542891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:56,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:56,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:31:56,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507223216] [2024-11-19 10:31:56,359 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:56,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:31:56,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:56,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:31:56,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:56,360 INFO L87 Difference]: Start difference. First operand 299 states and 361 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:56,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:56,632 INFO L93 Difference]: Finished difference Result 382 states and 454 transitions. [2024-11-19 10:31:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:31:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2024-11-19 10:31:56,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:56,634 INFO L225 Difference]: With dead ends: 382 [2024-11-19 10:31:56,634 INFO L226 Difference]: Without dead ends: 380 [2024-11-19 10:31:56,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:56,634 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 367 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:56,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 365 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-19 10:31:56,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 338. [2024-11-19 10:31:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 295 states have (on average 1.3694915254237288) internal successors, (404), 326 states have internal predecessors, (404), 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) [2024-11-19 10:31:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 422 transitions. [2024-11-19 10:31:56,646 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 422 transitions. Word has length 59 [2024-11-19 10:31:56,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:56,646 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 422 transitions. [2024-11-19 10:31:56,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 422 transitions. [2024-11-19 10:31:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-19 10:31:56,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:56,646 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:56,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:31:56,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:56,847 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:56,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1935058099, now seen corresponding path program 1 times [2024-11-19 10:31:56,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:56,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378682697] [2024-11-19 10:31:56,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:56,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:56,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140508462] [2024-11-19 10:31:56,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:56,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:56,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:56,886 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) [2024-11-19 10:31:56,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:31:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:56,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:56,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:31:56,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:31:57,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:57,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378682697] [2024-11-19 10:31:57,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:57,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140508462] [2024-11-19 10:31:57,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140508462] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:57,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:57,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-19 10:31:57,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931311509] [2024-11-19 10:31:57,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:57,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:57,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:57,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:57,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:31:57,026 INFO L87 Difference]: Start difference. First operand 338 states and 422 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-19 10:31:57,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:57,189 INFO L93 Difference]: Finished difference Result 380 states and 450 transitions. [2024-11-19 10:31:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:57,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 60 [2024-11-19 10:31:57,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:57,190 INFO L225 Difference]: With dead ends: 380 [2024-11-19 10:31:57,190 INFO L226 Difference]: Without dead ends: 378 [2024-11-19 10:31:57,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:57,191 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 288 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:57,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 230 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:57,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-19 10:31:57,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 338. [2024-11-19 10:31:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 295 states have (on average 1.3559322033898304) internal successors, (400), 326 states have internal predecessors, (400), 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) [2024-11-19 10:31:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 418 transitions. [2024-11-19 10:31:57,201 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 418 transitions. Word has length 60 [2024-11-19 10:31:57,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:57,202 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 418 transitions. [2024-11-19 10:31:57,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-19 10:31:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 418 transitions. [2024-11-19 10:31:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:31:57,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:57,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:57,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:57,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:57,403 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:57,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:57,403 INFO L85 PathProgramCache]: Analyzing trace with hash 130008335, now seen corresponding path program 1 times [2024-11-19 10:31:57,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:57,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22508530] [2024-11-19 10:31:57,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:57,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:57,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809592612] [2024-11-19 10:31:57,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:57,416 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) [2024-11-19 10:31:57,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:31:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:57,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 10:31:57,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:57,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:58,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:58,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22508530] [2024-11-19 10:31:58,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:58,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809592612] [2024-11-19 10:31:58,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809592612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:58,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:58,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-19 10:31:58,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742615050] [2024-11-19 10:31:58,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:58,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:31:58,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:58,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:31:58,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:31:58,194 INFO L87 Difference]: Start difference. First operand 338 states and 418 transitions. Second operand has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 19 states have internal predecessors, (100), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:59,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:59,608 INFO L93 Difference]: Finished difference Result 382 states and 464 transitions. [2024-11-19 10:31:59,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 10:31:59,608 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 19 states have internal predecessors, (100), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2024-11-19 10:31:59,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:59,609 INFO L225 Difference]: With dead ends: 382 [2024-11-19 10:31:59,609 INFO L226 Difference]: Without dead ends: 380 [2024-11-19 10:31:59,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2024-11-19 10:31:59,610 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 759 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:59,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 350 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:31:59,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-19 10:31:59,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 349. [2024-11-19 10:31:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 306 states have (on average 1.3333333333333333) internal successors, (408), 337 states have internal predecessors, (408), 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) [2024-11-19 10:31:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 426 transitions. [2024-11-19 10:31:59,628 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 426 transitions. Word has length 62 [2024-11-19 10:31:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:59,629 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 426 transitions. [2024-11-19 10:31:59,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 19 states have internal predecessors, (100), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 426 transitions. [2024-11-19 10:31:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:31:59,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:59,630 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:59,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:31:59,830 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,SelfDestructingSolverStorable31 [2024-11-19 10:31:59,830 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:59,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:59,831 INFO L85 PathProgramCache]: Analyzing trace with hash -946510595, now seen corresponding path program 1 times [2024-11-19 10:31:59,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:59,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567638463] [2024-11-19 10:31:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:59,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294567409] [2024-11-19 10:31:59,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:59,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:59,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:59,848 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) [2024-11-19 10:31:59,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:31:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:59,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:31:59,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:59,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:04,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:04,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567638463] [2024-11-19 10:32:04,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:04,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294567409] [2024-11-19 10:32:04,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294567409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:04,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:04,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-19 10:32:04,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471759496] [2024-11-19 10:32:04,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:04,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:32:04,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:04,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:32:04,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=119, Unknown=1, NotChecked=0, Total=156 [2024-11-19 10:32:04,225 INFO L87 Difference]: Start difference. First operand 349 states and 426 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:05,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:05,473 INFO L93 Difference]: Finished difference Result 487 states and 559 transitions. [2024-11-19 10:32:05,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:32:05,474 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 62 [2024-11-19 10:32:05,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:05,475 INFO L225 Difference]: With dead ends: 487 [2024-11-19 10:32:05,475 INFO L226 Difference]: Without dead ends: 485 [2024-11-19 10:32:05,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=191, Invalid=564, Unknown=1, NotChecked=0, Total=756 [2024-11-19 10:32:05,476 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 718 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:05,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 491 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:32:05,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-19 10:32:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 386. [2024-11-19 10:32:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 342 states have (on average 1.3421052631578947) internal successors, (459), 373 states have internal predecessors, (459), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:32:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 479 transitions. [2024-11-19 10:32:05,490 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 479 transitions. Word has length 62 [2024-11-19 10:32:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:05,491 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 479 transitions. [2024-11-19 10:32:05,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 479 transitions. [2024-11-19 10:32:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:32:05,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:05,492 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:05,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 10:32:05,695 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,SelfDestructingSolverStorable32 [2024-11-19 10:32:05,695 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:05,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash -264708835, now seen corresponding path program 1 times [2024-11-19 10:32:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234901958] [2024-11-19 10:32:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:05,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:05,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234901958] [2024-11-19 10:32:05,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234901958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:05,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920455242] [2024-11-19 10:32:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:05,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:05,764 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) [2024-11-19 10:32:05,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:32:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:05,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:05,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:05,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:05,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920455242] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:05,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:05,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-19 10:32:05,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014533500] [2024-11-19 10:32:05,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:05,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:32:05,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:05,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:32:05,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:32:05,910 INFO L87 Difference]: Start difference. First operand 386 states and 479 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:32:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:06,181 INFO L93 Difference]: Finished difference Result 389 states and 482 transitions. [2024-11-19 10:32:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:32:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2024-11-19 10:32:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:06,182 INFO L225 Difference]: With dead ends: 389 [2024-11-19 10:32:06,183 INFO L226 Difference]: Without dead ends: 387 [2024-11-19 10:32:06,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:32:06,183 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 143 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:06,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 335 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-19 10:32:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 384. [2024-11-19 10:32:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 342 states have (on average 1.3157894736842106) internal successors, (450), 371 states have internal predecessors, (450), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:32:06,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 470 transitions. [2024-11-19 10:32:06,195 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 470 transitions. Word has length 63 [2024-11-19 10:32:06,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:06,195 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 470 transitions. [2024-11-19 10:32:06,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:32:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 470 transitions. [2024-11-19 10:32:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:32:06,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:06,196 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:06,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-19 10:32:06,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:06,397 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:06,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:06,397 INFO L85 PathProgramCache]: Analyzing trace with hash 722942695, now seen corresponding path program 1 times [2024-11-19 10:32:06,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:06,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470433599] [2024-11-19 10:32:06,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:06,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:06,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556601526] [2024-11-19 10:32:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:06,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:06,406 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) [2024-11-19 10:32:06,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:32:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:06,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:32:06,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:06,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:06,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:06,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470433599] [2024-11-19 10:32:06,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:06,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556601526] [2024-11-19 10:32:06,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556601526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:06,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:06,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-19 10:32:06,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103547901] [2024-11-19 10:32:06,884 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:06,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:32:06,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:32:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:32:06,884 INFO L87 Difference]: Start difference. First operand 384 states and 470 transitions. Second operand has 16 states, 15 states have (on average 7.0) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:32:08,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:08,419 INFO L93 Difference]: Finished difference Result 481 states and 544 transitions. [2024-11-19 10:32:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:32:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.0) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 63 [2024-11-19 10:32:08,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:08,421 INFO L225 Difference]: With dead ends: 481 [2024-11-19 10:32:08,421 INFO L226 Difference]: Without dead ends: 479 [2024-11-19 10:32:08,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:32:08,421 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 1094 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:08,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 715 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:32:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-19 10:32:08,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 384. [2024-11-19 10:32:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 342 states have (on average 1.304093567251462) internal successors, (446), 371 states have internal predecessors, (446), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:32:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 466 transitions. [2024-11-19 10:32:08,437 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 466 transitions. Word has length 63 [2024-11-19 10:32:08,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:08,437 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 466 transitions. [2024-11-19 10:32:08,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.0) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:32:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 466 transitions. [2024-11-19 10:32:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:32:08,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:08,438 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:08,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:08,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:08,639 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:08,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:08,639 INFO L85 PathProgramCache]: Analyzing trace with hash 936387135, now seen corresponding path program 1 times [2024-11-19 10:32:08,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:08,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480758244] [2024-11-19 10:32:08,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:08,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:08,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435065804] [2024-11-19 10:32:08,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:08,650 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) [2024-11-19 10:32:08,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:32:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:08,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:32:08,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:08,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:09,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:09,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480758244] [2024-11-19 10:32:09,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:09,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435065804] [2024-11-19 10:32:09,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435065804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:09,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:09,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-19 10:32:09,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105774453] [2024-11-19 10:32:09,439 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:09,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:32:09,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:09,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:32:09,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:32:09,440 INFO L87 Difference]: Start difference. First operand 384 states and 466 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:11,496 INFO L93 Difference]: Finished difference Result 601 states and 740 transitions. [2024-11-19 10:32:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 10:32:11,496 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 64 [2024-11-19 10:32:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:11,498 INFO L225 Difference]: With dead ends: 601 [2024-11-19 10:32:11,498 INFO L226 Difference]: Without dead ends: 599 [2024-11-19 10:32:11,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 10:32:11,498 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 498 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:11,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 505 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 10:32:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-19 10:32:11,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 490. [2024-11-19 10:32:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 445 states have (on average 1.3213483146067415) internal successors, (588), 474 states have internal predecessors, (588), 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) [2024-11-19 10:32:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 614 transitions. [2024-11-19 10:32:11,515 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 614 transitions. Word has length 64 [2024-11-19 10:32:11,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:11,516 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 614 transitions. [2024-11-19 10:32:11,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:11,516 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 614 transitions. [2024-11-19 10:32:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:32:11,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:11,516 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:11,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:11,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-19 10:32:11,721 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:11,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:11,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1036769815, now seen corresponding path program 1 times [2024-11-19 10:32:11,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:11,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697028534] [2024-11-19 10:32:11,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603044810] [2024-11-19 10:32:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:11,731 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) [2024-11-19 10:32:11,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:32:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:11,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-19 10:32:11,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:12,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:16,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:16,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697028534] [2024-11-19 10:32:16,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:16,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603044810] [2024-11-19 10:32:16,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603044810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:16,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:16,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-11-19 10:32:16,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527410635] [2024-11-19 10:32:16,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:16,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:32:16,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:16,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:32:16,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=465, Unknown=1, NotChecked=0, Total=552 [2024-11-19 10:32:16,990 INFO L87 Difference]: Start difference. First operand 490 states and 614 transitions. Second operand has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:32:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:23,511 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2024-11-19 10:32:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-19 10:32:23,511 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 65 [2024-11-19 10:32:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:23,513 INFO L225 Difference]: With dead ends: 622 [2024-11-19 10:32:23,513 INFO L226 Difference]: Without dead ends: 617 [2024-11-19 10:32:23,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=652, Invalid=3379, Unknown=1, NotChecked=0, Total=4032 [2024-11-19 10:32:23,514 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 783 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:23,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 332 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 10:32:23,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-19 10:32:23,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 523. [2024-11-19 10:32:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 478 states have (on average 1.3096234309623431) internal successors, (626), 507 states have internal predecessors, (626), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:32:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 652 transitions. [2024-11-19 10:32:23,532 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 652 transitions. Word has length 65 [2024-11-19 10:32:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:23,533 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 652 transitions. [2024-11-19 10:32:23,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:32:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 652 transitions. [2024-11-19 10:32:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 10:32:23,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:23,533 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:23,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-19 10:32:23,736 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,SelfDestructingSolverStorable36 [2024-11-19 10:32:23,736 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:23,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2075093119, now seen corresponding path program 1 times [2024-11-19 10:32:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677425524] [2024-11-19 10:32:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:23,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:23,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832102480] [2024-11-19 10:32:23,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:23,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:23,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:23,749 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) [2024-11-19 10:32:23,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:32:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:23,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:32:23,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:23,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:24,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677425524] [2024-11-19 10:32:24,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832102480] [2024-11-19 10:32:24,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832102480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:24,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:24,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:32:24,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670438684] [2024-11-19 10:32:24,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:24,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:32:24,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:24,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:32:24,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:24,160 INFO L87 Difference]: Start difference. First operand 523 states and 652 transitions. Second operand has 14 states, 13 states have (on average 7.846153846153846) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:25,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:25,495 INFO L93 Difference]: Finished difference Result 605 states and 744 transitions. [2024-11-19 10:32:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:32:25,496 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.846153846153846) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 66 [2024-11-19 10:32:25,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:25,497 INFO L225 Difference]: With dead ends: 605 [2024-11-19 10:32:25,497 INFO L226 Difference]: Without dead ends: 603 [2024-11-19 10:32:25,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:32:25,498 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 317 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:25,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 516 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 10:32:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-19 10:32:25,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 526. [2024-11-19 10:32:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 481 states have (on average 1.3035343035343034) internal successors, (627), 510 states have internal predecessors, (627), 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) [2024-11-19 10:32:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 653 transitions. [2024-11-19 10:32:25,515 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 653 transitions. Word has length 66 [2024-11-19 10:32:25,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:25,515 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 653 transitions. [2024-11-19 10:32:25,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.846153846153846) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 653 transitions. [2024-11-19 10:32:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:32:25,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:25,515 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:25,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:25,716 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,SelfDestructingSolverStorable37 [2024-11-19 10:32:25,716 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:25,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:25,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1077916193, now seen corresponding path program 1 times [2024-11-19 10:32:25,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:25,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169001161] [2024-11-19 10:32:25,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:25,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:25,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:25,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169001161] [2024-11-19 10:32:25,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169001161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:25,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184910938] [2024-11-19 10:32:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:25,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:25,766 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) [2024-11-19 10:32:25,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:32:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:25,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:25,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:25,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:25,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184910938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:25,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:25,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-19 10:32:25,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206805552] [2024-11-19 10:32:25,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:25,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:32:25,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:25,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:32:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:32:25,989 INFO L87 Difference]: Start difference. First operand 526 states and 653 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:26,438 INFO L93 Difference]: Finished difference Result 688 states and 870 transitions. [2024-11-19 10:32:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:32:26,439 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 67 [2024-11-19 10:32:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:26,440 INFO L225 Difference]: With dead ends: 688 [2024-11-19 10:32:26,440 INFO L226 Difference]: Without dead ends: 686 [2024-11-19 10:32:26,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:26,441 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 167 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:26,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 359 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:32:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-19 10:32:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 654. [2024-11-19 10:32:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 606 states have (on average 1.3283828382838283) internal successors, (805), 635 states have internal predecessors, (805), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 10:32:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 837 transitions. [2024-11-19 10:32:26,463 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 837 transitions. Word has length 67 [2024-11-19 10:32:26,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:26,464 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 837 transitions. [2024-11-19 10:32:26,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 837 transitions. [2024-11-19 10:32:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:32:26,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:26,464 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:26,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-19 10:32:26,665 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,SelfDestructingSolverStorable38 [2024-11-19 10:32:26,665 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:26,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:26,665 INFO L85 PathProgramCache]: Analyzing trace with hash -944336299, now seen corresponding path program 1 times [2024-11-19 10:32:26,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:26,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230543177] [2024-11-19 10:32:26,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:26,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:26,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:26,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230543177] [2024-11-19 10:32:26,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230543177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:26,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:26,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:32:26,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193995030] [2024-11-19 10:32:26,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:26,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:26,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:26,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:26,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:26,708 INFO L87 Difference]: Start difference. First operand 654 states and 837 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:26,981 INFO L93 Difference]: Finished difference Result 896 states and 1165 transitions. [2024-11-19 10:32:26,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:32:26,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 68 [2024-11-19 10:32:26,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:26,983 INFO L225 Difference]: With dead ends: 896 [2024-11-19 10:32:26,983 INFO L226 Difference]: Without dead ends: 894 [2024-11-19 10:32:26,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:32:26,984 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 84 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:26,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 336 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2024-11-19 10:32:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 827. [2024-11-19 10:32:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 774 states have (on average 1.3436692506459949) internal successors, (1040), 803 states have internal predecessors, (1040), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1082 transitions. [2024-11-19 10:32:27,026 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1082 transitions. Word has length 68 [2024-11-19 10:32:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:27,026 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1082 transitions. [2024-11-19 10:32:27,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1082 transitions. [2024-11-19 10:32:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 10:32:27,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:27,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:27,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-19 10:32:27,027 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:27,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:27,027 INFO L85 PathProgramCache]: Analyzing trace with hash 790345891, now seen corresponding path program 1 times [2024-11-19 10:32:27,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:27,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212561490] [2024-11-19 10:32:27,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:27,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:27,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212561490] [2024-11-19 10:32:27,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212561490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:27,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892456763] [2024-11-19 10:32:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:27,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:27,115 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) [2024-11-19 10:32:27,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:32:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:27,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:32:27,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:27,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:32:27,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892456763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:27,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:27,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-19 10:32:27,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963664432] [2024-11-19 10:32:27,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:27,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:32:27,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:27,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:32:27,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:27,365 INFO L87 Difference]: Start difference. First operand 827 states and 1082 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:32:27,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:27,606 INFO L93 Difference]: Finished difference Result 844 states and 1097 transitions. [2024-11-19 10:32:27,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:32:27,606 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 69 [2024-11-19 10:32:27,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:27,608 INFO L225 Difference]: With dead ends: 844 [2024-11-19 10:32:27,608 INFO L226 Difference]: Without dead ends: 842 [2024-11-19 10:32:27,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:27,609 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 181 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:27,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 274 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:27,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-19 10:32:27,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 835. [2024-11-19 10:32:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 782 states have (on average 1.3375959079283888) internal successors, (1046), 811 states have internal predecessors, (1046), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1088 transitions. [2024-11-19 10:32:27,640 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1088 transitions. Word has length 69 [2024-11-19 10:32:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:27,640 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1088 transitions. [2024-11-19 10:32:27,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:32:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1088 transitions. [2024-11-19 10:32:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:32:27,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:27,641 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:27,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:27,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:27,842 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:27,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash 57165639, now seen corresponding path program 1 times [2024-11-19 10:32:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304623559] [2024-11-19 10:32:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:27,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39732152] [2024-11-19 10:32:27,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:27,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:27,856 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) [2024-11-19 10:32:27,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:32:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:27,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:32:27,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:28,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:28,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:28,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304623559] [2024-11-19 10:32:28,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:28,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39732152] [2024-11-19 10:32:28,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39732152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:28,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:28,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-19 10:32:28,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348984551] [2024-11-19 10:32:28,331 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:28,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:32:28,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:28,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:32:28,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:32:28,332 INFO L87 Difference]: Start difference. First operand 835 states and 1088 transitions. Second operand has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:29,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:29,457 INFO L93 Difference]: Finished difference Result 924 states and 1198 transitions. [2024-11-19 10:32:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-19 10:32:29,457 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2024-11-19 10:32:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:29,459 INFO L225 Difference]: With dead ends: 924 [2024-11-19 10:32:29,459 INFO L226 Difference]: Without dead ends: 922 [2024-11-19 10:32:29,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:32:29,460 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 254 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:29,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 452 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:32:29,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-11-19 10:32:29,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 835. [2024-11-19 10:32:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 782 states have (on average 1.3350383631713556) internal successors, (1044), 811 states have internal predecessors, (1044), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1086 transitions. [2024-11-19 10:32:29,496 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1086 transitions. Word has length 72 [2024-11-19 10:32:29,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:29,496 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1086 transitions. [2024-11-19 10:32:29,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1086 transitions. [2024-11-19 10:32:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-19 10:32:29,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:29,497 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:29,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:29,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:29,697 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:29,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:29,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1772134897, now seen corresponding path program 1 times [2024-11-19 10:32:29,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:29,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506857825] [2024-11-19 10:32:29,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:29,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:29,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123063763] [2024-11-19 10:32:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:29,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:29,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:29,717 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) [2024-11-19 10:32:29,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:32:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:29,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:32:29,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:29,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 10:32:30,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:30,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506857825] [2024-11-19 10:32:30,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:30,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123063763] [2024-11-19 10:32:30,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123063763] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:30,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:30,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-19 10:32:30,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240545048] [2024-11-19 10:32:30,350 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:30,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:32:30,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:32:30,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:32:30,351 INFO L87 Difference]: Start difference. First operand 835 states and 1086 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:34,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:34,137 INFO L93 Difference]: Finished difference Result 847 states and 1099 transitions. [2024-11-19 10:32:34,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:32:34,137 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 73 [2024-11-19 10:32:34,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:34,139 INFO L225 Difference]: With dead ends: 847 [2024-11-19 10:32:34,139 INFO L226 Difference]: Without dead ends: 846 [2024-11-19 10:32:34,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:32:34,140 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 262 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:34,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 230 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-19 10:32:34,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-19 10:32:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 834. [2024-11-19 10:32:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 782 states have (on average 1.315856777493606) internal successors, (1029), 810 states have internal predecessors, (1029), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1071 transitions. [2024-11-19 10:32:34,177 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1071 transitions. Word has length 73 [2024-11-19 10:32:34,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:34,178 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1071 transitions. [2024-11-19 10:32:34,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1071 transitions. [2024-11-19 10:32:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 10:32:34,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:34,179 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:34,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:34,379 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,SelfDestructingSolverStorable42 [2024-11-19 10:32:34,380 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:34,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash -994395096, now seen corresponding path program 1 times [2024-11-19 10:32:34,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:34,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117762451] [2024-11-19 10:32:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:34,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117762451] [2024-11-19 10:32:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117762451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:34,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868492730] [2024-11-19 10:32:34,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:34,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:34,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:34,429 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) [2024-11-19 10:32:34,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:32:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:34,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:34,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:34,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:34,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868492730] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:34,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:34,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 10:32:34,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254188622] [2024-11-19 10:32:34,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:34,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:32:34,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:34,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:32:34,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:32:34,713 INFO L87 Difference]: Start difference. First operand 834 states and 1071 transitions. Second operand has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:32:35,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:35,022 INFO L93 Difference]: Finished difference Result 1192 states and 1513 transitions. [2024-11-19 10:32:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:32:35,022 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 79 [2024-11-19 10:32:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:35,025 INFO L225 Difference]: With dead ends: 1192 [2024-11-19 10:32:35,025 INFO L226 Difference]: Without dead ends: 1190 [2024-11-19 10:32:35,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:32:35,026 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 702 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:35,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 323 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:35,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-19 10:32:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1034. [2024-11-19 10:32:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 977 states have (on average 1.3029682702149437) internal successors, (1273), 1004 states have internal predecessors, (1273), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 10:32:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1327 transitions. [2024-11-19 10:32:35,080 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1327 transitions. Word has length 79 [2024-11-19 10:32:35,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:35,080 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1327 transitions. [2024-11-19 10:32:35,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:32:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1327 transitions. [2024-11-19 10:32:35,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 10:32:35,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:35,081 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:35,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-19 10:32:35,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:35,281 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:35,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:35,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1053823315, now seen corresponding path program 1 times [2024-11-19 10:32:35,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:35,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808866975] [2024-11-19 10:32:35,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:35,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:35,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808866975] [2024-11-19 10:32:35,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808866975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844545404] [2024-11-19 10:32:35,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:35,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:35,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:35,332 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) [2024-11-19 10:32:35,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:32:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:35,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:35,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:35,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:35,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844545404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:35,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:35,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:32:35,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957430454] [2024-11-19 10:32:35,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:35,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:32:35,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:35,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:32:35,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:32:35,619 INFO L87 Difference]: Start difference. First operand 1034 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:32:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:36,158 INFO L93 Difference]: Finished difference Result 1526 states and 1936 transitions. [2024-11-19 10:32:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:32:36,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 82 [2024-11-19 10:32:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:36,162 INFO L225 Difference]: With dead ends: 1526 [2024-11-19 10:32:36,162 INFO L226 Difference]: Without dead ends: 1525 [2024-11-19 10:32:36,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:32:36,163 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 407 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:36,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 469 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:32:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-11-19 10:32:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1293. [2024-11-19 10:32:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1228 states have (on average 1.3037459283387622) internal successors, (1601), 1255 states have internal predecessors, (1601), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:32:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1671 transitions. [2024-11-19 10:32:36,224 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1671 transitions. Word has length 82 [2024-11-19 10:32:36,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:36,224 INFO L471 AbstractCegarLoop]: Abstraction has 1293 states and 1671 transitions. [2024-11-19 10:32:36,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:32:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1671 transitions. [2024-11-19 10:32:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:32:36,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:36,224 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:36,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:36,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:36,425 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)] === [2024-11-19 10:32:36,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:36,425 INFO L85 PathProgramCache]: Analyzing trace with hash 862062654, now seen corresponding path program 1 times [2024-11-19 10:32:36,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:36,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690411017] [2024-11-19 10:32:36,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:36,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:36,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690411017] [2024-11-19 10:32:36,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690411017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:36,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949040344] [2024-11-19 10:32:36,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:36,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:36,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:36,478 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) [2024-11-19 10:32:36,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:32:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:36,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:36,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:36,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:36,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949040344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:36,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:36,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:32:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620731882] [2024-11-19 10:32:36,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:36,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:36,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:36,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:36,633 INFO L87 Difference]: Start difference. First operand 1293 states and 1671 transitions. Second operand has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:32:36,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:36,814 INFO L93 Difference]: Finished difference Result 1571 states and 2011 transitions. [2024-11-19 10:32:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:32:36,818 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 83 [2024-11-19 10:32:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:36,822 INFO L225 Difference]: With dead ends: 1571 [2024-11-19 10:32:36,822 INFO L226 Difference]: Without dead ends: 1570 [2024-11-19 10:32:36,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:36,823 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 100 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:36,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 583 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:36,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-19 10:32:36,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1520. [2024-11-19 10:32:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1450 states have (on average 1.2862068965517242) internal successors, (1865), 1477 states have internal predecessors, (1865), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 10:32:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1945 transitions. [2024-11-19 10:32:36,904 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1945 transitions. Word has length 83 [2024-11-19 10:32:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:36,904 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 1945 transitions. [2024-11-19 10:32:36,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:32:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1945 transitions. [2024-11-19 10:32:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 10:32:36,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:36,905 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:36,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:37,105 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,SelfDestructingSolverStorable45 [2024-11-19 10:32:37,106 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:37,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:37,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1799427103, now seen corresponding path program 1 times [2024-11-19 10:32:37,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:37,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099130686] [2024-11-19 10:32:37,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:37,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:37,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:37,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099130686] [2024-11-19 10:32:37,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099130686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:37,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577434217] [2024-11-19 10:32:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:37,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:37,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:37,205 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) [2024-11-19 10:32:37,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-19 10:32:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:37,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:32:37,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:37,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:37,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577434217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:37,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:37,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-19 10:32:37,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610260421] [2024-11-19 10:32:37,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:32:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:37,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:32:37,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:32:37,808 INFO L87 Difference]: Start difference. First operand 1520 states and 1945 transitions. Second operand has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:32:38,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:38,546 INFO L93 Difference]: Finished difference Result 1613 states and 2035 transitions. [2024-11-19 10:32:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:32:38,547 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 86 [2024-11-19 10:32:38,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:38,550 INFO L225 Difference]: With dead ends: 1613 [2024-11-19 10:32:38,550 INFO L226 Difference]: Without dead ends: 1612 [2024-11-19 10:32:38,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:32:38,551 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 761 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:38,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 628 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:32:38,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2024-11-19 10:32:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1526. [2024-11-19 10:32:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1456 states have (on average 1.2822802197802199) internal successors, (1867), 1483 states have internal predecessors, (1867), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 10:32:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1947 transitions. [2024-11-19 10:32:38,619 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1947 transitions. Word has length 86 [2024-11-19 10:32:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:38,620 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1947 transitions. [2024-11-19 10:32:38,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:32:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1947 transitions. [2024-11-19 10:32:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 10:32:38,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:38,620 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:38,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:38,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-19 10:32:38,824 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:38,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:38,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1929605192, now seen corresponding path program 1 times [2024-11-19 10:32:38,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:38,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785045070] [2024-11-19 10:32:38,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:38,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:38,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768635129] [2024-11-19 10:32:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:38,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:38,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:38,836 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) [2024-11-19 10:32:38,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-19 10:32:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:38,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:32:38,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:39,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:39,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:39,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785045070] [2024-11-19 10:32:39,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:39,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768635129] [2024-11-19 10:32:39,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768635129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:39,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:39,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:32:39,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145394978] [2024-11-19 10:32:39,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:39,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:32:39,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:39,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:32:39,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:39,534 INFO L87 Difference]: Start difference. First operand 1526 states and 1947 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:32:41,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:41,512 INFO L93 Difference]: Finished difference Result 1543 states and 1960 transitions. [2024-11-19 10:32:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:32:41,513 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 87 [2024-11-19 10:32:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:41,516 INFO L225 Difference]: With dead ends: 1543 [2024-11-19 10:32:41,516 INFO L226 Difference]: Without dead ends: 1541 [2024-11-19 10:32:41,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:32:41,517 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 212 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:41,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 533 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 10:32:41,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-19 10:32:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1526. [2024-11-19 10:32:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1456 states have (on average 1.2788461538461537) internal successors, (1862), 1483 states have internal predecessors, (1862), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 10:32:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1942 transitions. [2024-11-19 10:32:41,585 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1942 transitions. Word has length 87 [2024-11-19 10:32:41,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:41,585 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1942 transitions. [2024-11-19 10:32:41,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:32:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1942 transitions. [2024-11-19 10:32:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:32:41,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:41,586 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:41,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:41,786 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,SelfDestructingSolverStorable47 [2024-11-19 10:32:41,786 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:41,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:41,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1622370431, now seen corresponding path program 1 times [2024-11-19 10:32:41,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:41,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044656651] [2024-11-19 10:32:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:41,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044656651] [2024-11-19 10:32:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044656651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467035109] [2024-11-19 10:32:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:41,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:41,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:41,860 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) [2024-11-19 10:32:41,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-19 10:32:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:41,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:41,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:41,976 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:42,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467035109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:42,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:42,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:32:42,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644954655] [2024-11-19 10:32:42,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:42,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:42,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:42,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:42,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:42,070 INFO L87 Difference]: Start difference. First operand 1526 states and 1942 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:32:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:42,272 INFO L93 Difference]: Finished difference Result 2055 states and 2603 transitions. [2024-11-19 10:32:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:32:42,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 88 [2024-11-19 10:32:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:42,276 INFO L225 Difference]: With dead ends: 2055 [2024-11-19 10:32:42,276 INFO L226 Difference]: Without dead ends: 2054 [2024-11-19 10:32:42,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:42,277 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 282 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:42,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 675 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-11-19 10:32:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1841. [2024-11-19 10:32:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1762 states have (on average 1.2877412031782065) internal successors, (2269), 1789 states have internal predecessors, (2269), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-19 10:32:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2367 transitions. [2024-11-19 10:32:42,369 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2367 transitions. Word has length 88 [2024-11-19 10:32:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:42,369 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2367 transitions. [2024-11-19 10:32:42,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:32:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2367 transitions. [2024-11-19 10:32:42,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 10:32:42,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:42,369 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:42,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-19 10:32:42,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:42,570 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:42,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:42,570 INFO L85 PathProgramCache]: Analyzing trace with hash -967111318, now seen corresponding path program 1 times [2024-11-19 10:32:42,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:42,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825938490] [2024-11-19 10:32:42,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:42,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [451806186] [2024-11-19 10:32:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:42,586 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) [2024-11-19 10:32:42,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 10:32:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:42,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:32:42,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:42,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:43,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:43,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825938490] [2024-11-19 10:32:43,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:43,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451806186] [2024-11-19 10:32:43,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451806186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:43,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:43,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:32:43,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622039328] [2024-11-19 10:32:43,641 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:43,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:43,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:43,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:43,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:32:43,641 INFO L87 Difference]: Start difference. First operand 1841 states and 2367 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:32:44,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:44,393 INFO L93 Difference]: Finished difference Result 1884 states and 2399 transitions. [2024-11-19 10:32:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:32:44,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 90 [2024-11-19 10:32:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:44,398 INFO L225 Difference]: With dead ends: 1884 [2024-11-19 10:32:44,398 INFO L226 Difference]: Without dead ends: 1880 [2024-11-19 10:32:44,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:32:44,398 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 206 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:44,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 782 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2024-11-19 10:32:44,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1833. [2024-11-19 10:32:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1754 states have (on average 1.283352337514253) internal successors, (2251), 1781 states have internal predecessors, (2251), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-19 10:32:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2349 transitions. [2024-11-19 10:32:44,488 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2349 transitions. Word has length 90 [2024-11-19 10:32:44,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:44,489 INFO L471 AbstractCegarLoop]: Abstraction has 1833 states and 2349 transitions. [2024-11-19 10:32:44,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:32:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2349 transitions. [2024-11-19 10:32:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 10:32:44,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:44,489 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:44,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-19 10:32:44,689 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,SelfDestructingSolverStorable49 [2024-11-19 10:32:44,690 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:44,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:44,690 INFO L85 PathProgramCache]: Analyzing trace with hash -570585362, now seen corresponding path program 1 times [2024-11-19 10:32:44,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:44,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659629578] [2024-11-19 10:32:44,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:44,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397406076] [2024-11-19 10:32:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:44,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:44,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:44,703 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) [2024-11-19 10:32:44,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-19 10:32:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:44,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:32:44,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:45,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:47,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:47,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659629578] [2024-11-19 10:32:47,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:47,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397406076] [2024-11-19 10:32:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397406076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:47,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:47,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-19 10:32:47,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538404639] [2024-11-19 10:32:47,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:47,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:32:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:47,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:32:47,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:32:47,005 INFO L87 Difference]: Start difference. First operand 1833 states and 2349 transitions. Second operand has 23 states, 22 states have (on average 7.136363636363637) internal successors, (157), 23 states have internal predecessors, (157), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:32:55,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:55,968 INFO L93 Difference]: Finished difference Result 2061 states and 2623 transitions. [2024-11-19 10:32:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-19 10:32:55,972 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.136363636363637) internal successors, (157), 23 states have internal predecessors, (157), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 94 [2024-11-19 10:32:55,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:55,976 INFO L225 Difference]: With dead ends: 2061 [2024-11-19 10:32:55,976 INFO L226 Difference]: Without dead ends: 2057 [2024-11-19 10:32:55,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=534, Invalid=2222, Unknown=0, NotChecked=0, Total=2756 [2024-11-19 10:32:55,977 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 974 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:55,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 539 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-19 10:32:55,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-11-19 10:32:56,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1948. [2024-11-19 10:32:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1865 states have (on average 1.2680965147453083) internal successors, (2365), 1892 states have internal predecessors, (2365), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2471 transitions. [2024-11-19 10:32:56,082 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2471 transitions. Word has length 94 [2024-11-19 10:32:56,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:56,082 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2471 transitions. [2024-11-19 10:32:56,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.136363636363637) internal successors, (157), 23 states have internal predecessors, (157), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:32:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2471 transitions. [2024-11-19 10:32:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:32:56,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:56,083 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:56,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-19 10:32:56,283 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,SelfDestructingSolverStorable50 [2024-11-19 10:32:56,283 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:56,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:56,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2142666488, now seen corresponding path program 1 times [2024-11-19 10:32:56,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:56,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438423024] [2024-11-19 10:32:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:56,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:56,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438423024] [2024-11-19 10:32:56,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438423024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:56,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731393419] [2024-11-19 10:32:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:56,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:56,425 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) [2024-11-19 10:32:56,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-19 10:32:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:56,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:32:56,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:56,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:56,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731393419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:56,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:56,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-19 10:32:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602150011] [2024-11-19 10:32:56,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:56,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:32:56,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:56,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:32:56,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:32:56,987 INFO L87 Difference]: Start difference. First operand 1948 states and 2471 transitions. Second operand has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:32:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:57,926 INFO L93 Difference]: Finished difference Result 1982 states and 2507 transitions. [2024-11-19 10:32:57,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:32:57,927 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 96 [2024-11-19 10:32:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:57,931 INFO L225 Difference]: With dead ends: 1982 [2024-11-19 10:32:57,931 INFO L226 Difference]: Without dead ends: 1981 [2024-11-19 10:32:57,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-11-19 10:32:57,936 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 233 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:57,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 659 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2024-11-19 10:32:58,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1969. [2024-11-19 10:32:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1886 states have (on average 1.265641569459173) internal successors, (2387), 1913 states have internal predecessors, (2387), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2493 transitions. [2024-11-19 10:32:58,043 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2493 transitions. Word has length 96 [2024-11-19 10:32:58,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:58,043 INFO L471 AbstractCegarLoop]: Abstraction has 1969 states and 2493 transitions. [2024-11-19 10:32:58,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:32:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2493 transitions. [2024-11-19 10:32:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:32:58,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:58,047 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:58,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:58,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:58,248 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:58,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:58,248 INFO L85 PathProgramCache]: Analyzing trace with hash 941085882, now seen corresponding path program 1 times [2024-11-19 10:32:58,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:58,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696853289] [2024-11-19 10:32:58,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:58,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:58,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625599037] [2024-11-19 10:32:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:58,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:58,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:58,261 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) [2024-11-19 10:32:58,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-19 10:32:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:58,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:32:58,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:58,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:59,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:59,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696853289] [2024-11-19 10:32:59,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:59,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625599037] [2024-11-19 10:32:59,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625599037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:59,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:59,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:32:59,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933956295] [2024-11-19 10:32:59,311 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:59,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:59,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:59,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:59,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-11-19 10:32:59,311 INFO L87 Difference]: Start difference. First operand 1969 states and 2493 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:59,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:59,836 INFO L93 Difference]: Finished difference Result 1998 states and 2523 transitions. [2024-11-19 10:32:59,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:32:59,836 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 97 [2024-11-19 10:32:59,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:59,839 INFO L225 Difference]: With dead ends: 1998 [2024-11-19 10:32:59,840 INFO L226 Difference]: Without dead ends: 1996 [2024-11-19 10:32:59,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2024-11-19 10:32:59,840 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 162 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:59,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 851 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:32:59,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2024-11-19 10:32:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1978. [2024-11-19 10:32:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1895 states have (on average 1.2649076517150395) internal successors, (2397), 1922 states have internal predecessors, (2397), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2503 transitions. [2024-11-19 10:32:59,929 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2503 transitions. Word has length 97 [2024-11-19 10:32:59,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:59,929 INFO L471 AbstractCegarLoop]: Abstraction has 1978 states and 2503 transitions. [2024-11-19 10:32:59,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:32:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2503 transitions. [2024-11-19 10:32:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:32:59,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:59,930 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:59,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-19 10:33:00,130 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,SelfDestructingSolverStorable52 [2024-11-19 10:33:00,130 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:33:00,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:00,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1998151864, now seen corresponding path program 1 times [2024-11-19 10:33:00,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:00,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584276354] [2024-11-19 10:33:00,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:00,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-19 10:33:00,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:00,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584276354] [2024-11-19 10:33:00,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584276354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:33:00,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:33:00,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:33:00,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105506768] [2024-11-19 10:33:00,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:33:00,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:33:00,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:00,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:33:00,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:33:00,181 INFO L87 Difference]: Start difference. First operand 1978 states and 2503 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-19 10:33:00,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:00,400 INFO L93 Difference]: Finished difference Result 1991 states and 2508 transitions. [2024-11-19 10:33:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:33:00,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 97 [2024-11-19 10:33:00,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:00,403 INFO L225 Difference]: With dead ends: 1991 [2024-11-19 10:33:00,403 INFO L226 Difference]: Without dead ends: 1968 [2024-11-19 10:33:00,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:33:00,404 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 27 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:00,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 207 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:33:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-11-19 10:33:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1960. [2024-11-19 10:33:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1877 states have (on average 1.2663825253063399) internal successors, (2377), 1904 states have internal predecessors, (2377), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:33:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2483 transitions. [2024-11-19 10:33:00,509 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2483 transitions. Word has length 97 [2024-11-19 10:33:00,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:00,509 INFO L471 AbstractCegarLoop]: Abstraction has 1960 states and 2483 transitions. [2024-11-19 10:33:00,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-19 10:33:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2483 transitions. [2024-11-19 10:33:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:33:00,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:00,510 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:33:00,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-19 10:33:00,510 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:33:00,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:00,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1113200514, now seen corresponding path program 1 times [2024-11-19 10:33:00,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:00,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657414517] [2024-11-19 10:33:00,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:00,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:33:00,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:00,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657414517] [2024-11-19 10:33:00,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657414517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:00,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434444837] [2024-11-19 10:33:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:00,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:00,606 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) [2024-11-19 10:33:00,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-19 10:33:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:00,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:33:00,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:33:00,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:33:01,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434444837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:33:01,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:33:01,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-19 10:33:01,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370349312] [2024-11-19 10:33:01,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:01,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:33:01,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:01,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:33:01,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:33:01,033 INFO L87 Difference]: Start difference. First operand 1960 states and 2483 transitions. Second operand has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:33:01,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:01,666 INFO L93 Difference]: Finished difference Result 1986 states and 2511 transitions. [2024-11-19 10:33:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:33:01,667 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 97 [2024-11-19 10:33:01,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:01,669 INFO L225 Difference]: With dead ends: 1986 [2024-11-19 10:33:01,669 INFO L226 Difference]: Without dead ends: 1985 [2024-11-19 10:33:01,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:33:01,670 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 237 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:01,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 654 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:33:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2024-11-19 10:33:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1974. [2024-11-19 10:33:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1891 states have (on average 1.264939185616076) internal successors, (2392), 1918 states have internal predecessors, (2392), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:33:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2498 transitions. [2024-11-19 10:33:01,762 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2498 transitions. Word has length 97 [2024-11-19 10:33:01,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:01,762 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2498 transitions. [2024-11-19 10:33:01,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:33:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2498 transitions. [2024-11-19 10:33:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 10:33:01,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:01,763 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:33:01,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-19 10:33:01,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:01,963 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:33:01,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:01,964 INFO L85 PathProgramCache]: Analyzing trace with hash -891108658, now seen corresponding path program 1 times [2024-11-19 10:33:01,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:01,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820114372] [2024-11-19 10:33:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:33:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641924522] [2024-11-19 10:33:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:01,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:01,975 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) [2024-11-19 10:33:01,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-19 10:33:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:02,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-19 10:33:02,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:33:02,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:33:04,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:04,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820114372] [2024-11-19 10:33:04,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:33:04,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641924522] [2024-11-19 10:33:04,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641924522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:33:04,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:33:04,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 28 [2024-11-19 10:33:04,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971966966] [2024-11-19 10:33:04,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:04,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-19 10:33:04,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:04,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-19 10:33:04,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:33:04,150 INFO L87 Difference]: Start difference. First operand 1974 states and 2498 transitions. Second operand has 29 states, 28 states have (on average 5.821428571428571) internal successors, (163), 29 states have internal predecessors, (163), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8)