./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.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 cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:33:47,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:33:47,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:33:47,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:33:47,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:33:48,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:33:48,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:33:48,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:33:48,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:33:48,008 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:33:48,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:33:48,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:33:48,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:33:48,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:33:48,011 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:33:48,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:33:48,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:33:48,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:33:48,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:33:48,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:33:48,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:33:48,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:33:48,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:33:48,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:33:48,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:33:48,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:33:48,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:33:48,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:33:48,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:33:48,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:33:48,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:33:48,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:33:48,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:33:48,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:33:48,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:33:48,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:33:48,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:33:48,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:33:48,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:33:48,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:33:48,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:33:48,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:33:48,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:33:48,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:33:48,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed [2024-10-14 20:33:48,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:33:48,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:33:48,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:33:48,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:33:48,259 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:33:48,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2024-10-14 20:33:49,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:33:49,650 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:33:49,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2024-10-14 20:33:49,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a8f80a8/0aebf16f88d34beca8d8b8a481ab3403/FLAG4ebca0c50 [2024-10-14 20:33:50,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a8f80a8/0aebf16f88d34beca8d8b8a481ab3403 [2024-10-14 20:33:50,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:33:50,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:33:50,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:33:50,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:33:50,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:33:50,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb0286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50, skipping insertion in model container [2024-10-14 20:33:50,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:33:50,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:33:50,253 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:33:50,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:33:50,291 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:33:50,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50 WrapperNode [2024-10-14 20:33:50,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:33:50,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:33:50,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:33:50,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:33:50,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,325 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-10-14 20:33:50,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:33:50,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:33:50,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:33:50,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:33:50,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,349 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 20:33:50,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:33:50,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:33:50,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:33:50,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:33:50,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (1/1) ... [2024-10-14 20:33:50,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:33:50,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:50,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:33:50,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:33:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:33:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:33:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:33:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:33:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:33:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:33:50,474 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:33:50,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:33:51,139 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-14 20:33:51,139 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:33:51,172 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:33:51,173 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:33:51,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:33:51 BoogieIcfgContainer [2024-10-14 20:33:51,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:33:51,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:33:51,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:33:51,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:33:51,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:33:50" (1/3) ... [2024-10-14 20:33:51,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d86b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:33:51, skipping insertion in model container [2024-10-14 20:33:51,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:50" (2/3) ... [2024-10-14 20:33:51,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d86b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:33:51, skipping insertion in model container [2024-10-14 20:33:51,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:33:51" (3/3) ... [2024-10-14 20:33:51,180 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound50.c [2024-10-14 20:33:51,193 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:33:51,194 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-10-14 20:33:51,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:33:51,255 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;@668341e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:33:51,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-10-14 20:33:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:33:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-14 20:33:51,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:51,263 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-14 20:33:51,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:51,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash 368288, now seen corresponding path program 1 times [2024-10-14 20:33:51,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:51,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685122283] [2024-10-14 20:33:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:51,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:33:51,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:51,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685122283] [2024-10-14 20:33:51,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685122283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:51,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:51,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407271022] [2024-10-14 20:33:51,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:51,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:51,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:51,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:51,485 INFO L87 Difference]: Start difference. First operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 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) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:33:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:51,589 INFO L93 Difference]: Finished difference Result 598 states and 646 transitions. [2024-10-14 20:33:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:51,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-14 20:33:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:51,617 INFO L225 Difference]: With dead ends: 598 [2024-10-14 20:33:51,617 INFO L226 Difference]: Without dead ends: 295 [2024-10-14 20:33:51,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:51,622 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 4 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:51,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 895 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:33:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-14 20:33:51,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-10-14 20:33:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 151 states have (on average 1.8874172185430464) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 20:33:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2024-10-14 20:33:51,673 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 3 [2024-10-14 20:33:51,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:51,674 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2024-10-14 20:33:51,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:33:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2024-10-14 20:33:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:33:51,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:51,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:33:51,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:33:51,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:51,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1913193205, now seen corresponding path program 1 times [2024-10-14 20:33:51,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:51,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308934885] [2024-10-14 20:33:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:33:51,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308934885] [2024-10-14 20:33:51,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308934885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:51,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:51,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:33:51,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326610630] [2024-10-14 20:33:51,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:51,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:51,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:51,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:51,733 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:33:51,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:51,870 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2024-10-14 20:33:51,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:51,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 20:33:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:51,873 INFO L225 Difference]: With dead ends: 563 [2024-10-14 20:33:51,873 INFO L226 Difference]: Without dead ends: 543 [2024-10-14 20:33:51,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:51,875 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 237 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:51,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 631 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:51,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-14 20:33:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2024-10-14 20:33:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 204 states have (on average 1.7941176470588236) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 20:33:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-10-14 20:33:51,905 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 6 [2024-10-14 20:33:51,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:51,905 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-10-14 20:33:51,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:33:51,905 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-10-14 20:33:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 20:33:51,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:51,906 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:51,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:33:51,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:51,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:51,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1848326555, now seen corresponding path program 1 times [2024-10-14 20:33:51,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:51,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028935240] [2024-10-14 20:33:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:51,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:51,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183277208] [2024-10-14 20:33:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:51,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:51,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:51,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:51,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:33:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:51,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:33:51,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:52,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:52,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:52,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028935240] [2024-10-14 20:33:52,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:52,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183277208] [2024-10-14 20:33:52,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183277208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:52,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:52,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125579802] [2024-10-14 20:33:52,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:52,096 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:52,611 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2024-10-14 20:33:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 39 [2024-10-14 20:33:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:52,613 INFO L225 Difference]: With dead ends: 513 [2024-10-14 20:33:52,613 INFO L226 Difference]: Without dead ends: 458 [2024-10-14 20:33:52,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:52,615 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 134 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:52,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 409 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:33:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-14 20:33:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2024-10-14 20:33:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6514084507042253) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:33:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2024-10-14 20:33:52,655 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 39 [2024-10-14 20:33:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:52,655 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2024-10-14 20:33:52,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2024-10-14 20:33:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 20:33:52,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:52,658 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:52,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:33:52,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:52,859 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:52,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:52,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1874644039, now seen corresponding path program 1 times [2024-10-14 20:33:52,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:52,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752068807] [2024-10-14 20:33:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:52,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:33:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:33:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:33:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:52,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:52,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752068807] [2024-10-14 20:33:52,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752068807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:52,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:52,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:52,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29669307] [2024-10-14 20:33:52,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:52,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:52,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:52,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:52,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:52,954 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:53,358 INFO L93 Difference]: Finished difference Result 471 states and 516 transitions. [2024-10-14 20:33:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:53,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 41 [2024-10-14 20:33:53,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:53,360 INFO L225 Difference]: With dead ends: 471 [2024-10-14 20:33:53,360 INFO L226 Difference]: Without dead ends: 448 [2024-10-14 20:33:53,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:53,361 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 120 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:53,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 480 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:33:53,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-14 20:33:53,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-14 20:33:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.5704225352112675) internal successors, (446), 416 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:33:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 486 transitions. [2024-10-14 20:33:53,378 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 486 transitions. Word has length 41 [2024-10-14 20:33:53,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:53,378 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 486 transitions. [2024-10-14 20:33:53,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 486 transitions. [2024-10-14 20:33:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:33:53,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:53,379 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:53,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:33:53,379 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:53,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:53,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1941627433, now seen corresponding path program 1 times [2024-10-14 20:33:53,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:53,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696223983] [2024-10-14 20:33:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:53,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:33:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:33:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:33:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:53,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:53,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696223983] [2024-10-14 20:33:53,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696223983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:53,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:53,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:53,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147218952] [2024-10-14 20:33:53,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:53,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:53,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:53,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:53,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:53,491 INFO L87 Difference]: Start difference. First operand 438 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:54,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:54,396 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2024-10-14 20:33:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:54,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 43 [2024-10-14 20:33:54,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:54,398 INFO L225 Difference]: With dead ends: 450 [2024-10-14 20:33:54,398 INFO L226 Difference]: Without dead ends: 448 [2024-10-14 20:33:54,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:54,399 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 256 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:54,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 447 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:33:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-14 20:33:54,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-14 20:33:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.5633802816901408) internal successors, (444), 416 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:33:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 484 transitions. [2024-10-14 20:33:54,412 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 484 transitions. Word has length 43 [2024-10-14 20:33:54,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:54,412 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 484 transitions. [2024-10-14 20:33:54,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 484 transitions. [2024-10-14 20:33:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 20:33:54,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:54,413 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:54,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:33:54,414 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:54,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash 60908376, now seen corresponding path program 1 times [2024-10-14 20:33:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367818795] [2024-10-14 20:33:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:54,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:33:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:54,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:33:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:54,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:33:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:54,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:54,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367818795] [2024-10-14 20:33:54,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367818795] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:54,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:54,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:54,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648432160] [2024-10-14 20:33:54,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:54,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:54,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:54,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:54,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:54,611 INFO L87 Difference]: Start difference. First operand 438 states and 484 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:58,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:58,371 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2024-10-14 20:33:58,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:58,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 44 [2024-10-14 20:33:58,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:58,374 INFO L225 Difference]: With dead ends: 450 [2024-10-14 20:33:58,374 INFO L226 Difference]: Without dead ends: 448 [2024-10-14 20:33:58,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:58,375 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 140 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:58,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 576 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-14 20:33:58,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-14 20:33:58,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-14 20:33:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.556338028169014) internal successors, (442), 416 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:33:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 482 transitions. [2024-10-14 20:33:58,388 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 482 transitions. Word has length 44 [2024-10-14 20:33:58,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:58,390 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 482 transitions. [2024-10-14 20:33:58,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 482 transitions. [2024-10-14 20:33:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 20:33:58,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:58,391 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:58,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:33:58,392 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:58,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:58,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2045328877, now seen corresponding path program 1 times [2024-10-14 20:33:58,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:58,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182664914] [2024-10-14 20:33:58,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:58,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776455852] [2024-10-14 20:33:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:58,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:58,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:33:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:58,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:33:58,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:58,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:58,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:58,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182664914] [2024-10-14 20:33:58,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:58,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776455852] [2024-10-14 20:33:58,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776455852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:58,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:58,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:58,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634866336] [2024-10-14 20:33:58,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:58,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:58,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:58,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:58,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:58,613 INFO L87 Difference]: Start difference. First operand 438 states and 482 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:58,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:58,972 INFO L93 Difference]: Finished difference Result 455 states and 489 transitions. [2024-10-14 20:33:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:58,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 47 [2024-10-14 20:33:58,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:58,974 INFO L225 Difference]: With dead ends: 455 [2024-10-14 20:33:58,974 INFO L226 Difference]: Without dead ends: 446 [2024-10-14 20:33:58,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:58,975 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 112 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:58,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 339 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:58,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-14 20:33:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 441. [2024-10-14 20:33:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.529616724738676) internal successors, (439), 419 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:33:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 479 transitions. [2024-10-14 20:33:58,988 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 479 transitions. Word has length 47 [2024-10-14 20:33:58,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:58,988 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 479 transitions. [2024-10-14 20:33:58,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 479 transitions. [2024-10-14 20:33:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 20:33:58,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:58,989 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:59,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:33:59,190 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,SelfDestructingSolverStorable6 [2024-10-14 20:33:59,190 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:59,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1019314148, now seen corresponding path program 1 times [2024-10-14 20:33:59,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:59,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340088735] [2024-10-14 20:33:59,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:59,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:33:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:33:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:33:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:59,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:59,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340088735] [2024-10-14 20:33:59,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340088735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:59,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:59,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:59,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395771560] [2024-10-14 20:33:59,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:59,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:59,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:59,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:59,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:59,276 INFO L87 Difference]: Start difference. First operand 441 states and 479 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:59,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:59,606 INFO L93 Difference]: Finished difference Result 454 states and 480 transitions. [2024-10-14 20:33:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:59,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 48 [2024-10-14 20:33:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:59,608 INFO L225 Difference]: With dead ends: 454 [2024-10-14 20:33:59,608 INFO L226 Difference]: Without dead ends: 448 [2024-10-14 20:33:59,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:59,609 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 247 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:59,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 375 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:59,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-14 20:33:59,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 441. [2024-10-14 20:33:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.5087108013937283) internal successors, (433), 419 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:33:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 473 transitions. [2024-10-14 20:33:59,617 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 473 transitions. Word has length 48 [2024-10-14 20:33:59,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:59,617 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 473 transitions. [2024-10-14 20:33:59,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 473 transitions. [2024-10-14 20:33:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 20:33:59,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:59,618 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:59,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 20:33:59,619 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:33:59,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:59,620 INFO L85 PathProgramCache]: Analyzing trace with hash 29056224, now seen corresponding path program 1 times [2024-10-14 20:33:59,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:59,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544918602] [2024-10-14 20:33:59,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:59,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:33:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:33:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:33:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:33:59,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:59,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544918602] [2024-10-14 20:33:59,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544918602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:59,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:59,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:59,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257141558] [2024-10-14 20:33:59,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:59,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:59,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:59,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:59,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:59,720 INFO L87 Difference]: Start difference. First operand 441 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:00,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:00,130 INFO L93 Difference]: Finished difference Result 452 states and 474 transitions. [2024-10-14 20:34:00,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:00,130 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), 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 52 [2024-10-14 20:34:00,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:00,131 INFO L225 Difference]: With dead ends: 452 [2024-10-14 20:34:00,131 INFO L226 Difference]: Without dead ends: 379 [2024-10-14 20:34:00,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:00,132 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 226 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:00,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 359 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:00,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-14 20:34:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2024-10-14 20:34:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 224 states have (on average 1.625) internal successors, (364), 356 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 398 transitions. [2024-10-14 20:34:00,139 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 398 transitions. Word has length 52 [2024-10-14 20:34:00,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:00,139 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 398 transitions. [2024-10-14 20:34:00,140 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:00,140 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 398 transitions. [2024-10-14 20:34:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:34:00,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:00,141 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:00,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 20:34:00,141 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:00,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:00,141 INFO L85 PathProgramCache]: Analyzing trace with hash 649164770, now seen corresponding path program 1 times [2024-10-14 20:34:00,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:00,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394949172] [2024-10-14 20:34:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:00,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:00,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:00,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394949172] [2024-10-14 20:34:00,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394949172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:00,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:00,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:00,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454667028] [2024-10-14 20:34:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:00,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:00,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:00,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:00,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:00,234 INFO L87 Difference]: Start difference. First operand 375 states and 398 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:00,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:00,546 INFO L93 Difference]: Finished difference Result 375 states and 398 transitions. [2024-10-14 20:34:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:00,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2024-10-14 20:34:00,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:00,548 INFO L225 Difference]: With dead ends: 375 [2024-10-14 20:34:00,548 INFO L226 Difference]: Without dead ends: 368 [2024-10-14 20:34:00,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:00,549 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 141 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:00,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:34:00,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-14 20:34:00,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-14 20:34:00,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 224 states have (on average 1.59375) internal successors, (357), 349 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 391 transitions. [2024-10-14 20:34:00,556 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 391 transitions. Word has length 84 [2024-10-14 20:34:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:00,556 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 391 transitions. [2024-10-14 20:34:00,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 391 transitions. [2024-10-14 20:34:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 20:34:00,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:00,557 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:00,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 20:34:00,557 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:00,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1350728446, now seen corresponding path program 1 times [2024-10-14 20:34:00,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:00,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106378591] [2024-10-14 20:34:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:00,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:00,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:00,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106378591] [2024-10-14 20:34:00,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106378591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:00,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:00,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:00,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732930653] [2024-10-14 20:34:00,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:00,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:00,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:00,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:00,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:00,631 INFO L87 Difference]: Start difference. First operand 368 states and 391 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:00,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:00,978 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2024-10-14 20:34:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:00,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-10-14 20:34:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:00,980 INFO L225 Difference]: With dead ends: 375 [2024-10-14 20:34:00,980 INFO L226 Difference]: Without dead ends: 374 [2024-10-14 20:34:00,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:00,980 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 24 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:00,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 425 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:34:00,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-14 20:34:00,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-10-14 20:34:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 226 states have (on average 1.5884955752212389) internal successors, (359), 351 states have internal predecessors, (359), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 393 transitions. [2024-10-14 20:34:00,987 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 393 transitions. Word has length 85 [2024-10-14 20:34:00,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:00,988 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 393 transitions. [2024-10-14 20:34:00,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 393 transitions. [2024-10-14 20:34:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:00,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:00,989 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:00,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 20:34:00,989 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:00,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash -760428695, now seen corresponding path program 1 times [2024-10-14 20:34:00,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:00,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467258019] [2024-10-14 20:34:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:00,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 20:34:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:01,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:01,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467258019] [2024-10-14 20:34:01,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467258019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:01,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:01,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:01,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920301146] [2024-10-14 20:34:01,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:01,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:01,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:01,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:01,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:01,085 INFO L87 Difference]: Start difference. First operand 370 states and 393 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 20:34:01,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:01,278 INFO L93 Difference]: Finished difference Result 370 states and 393 transitions. [2024-10-14 20:34:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:01,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-10-14 20:34:01,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:01,281 INFO L225 Difference]: With dead ends: 370 [2024-10-14 20:34:01,281 INFO L226 Difference]: Without dead ends: 368 [2024-10-14 20:34:01,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:01,282 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 195 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:01,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 264 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-14 20:34:01,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-14 20:34:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 226 states have (on average 1.5707964601769913) internal successors, (355), 349 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2024-10-14 20:34:01,289 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 87 [2024-10-14 20:34:01,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:01,289 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 389 transitions. [2024-10-14 20:34:01,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 20:34:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 389 transitions. [2024-10-14 20:34:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 20:34:01,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:01,290 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:01,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 20:34:01,294 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:01,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:01,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2098452885, now seen corresponding path program 1 times [2024-10-14 20:34:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:01,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729395270] [2024-10-14 20:34:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:01,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 20:34:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:01,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729395270] [2024-10-14 20:34:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729395270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:01,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:01,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:34:01,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905560516] [2024-10-14 20:34:01,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:01,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:01,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:01,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:01,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:01,361 INFO L87 Difference]: Start difference. First operand 368 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:34:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:01,548 INFO L93 Difference]: Finished difference Result 372 states and 389 transitions. [2024-10-14 20:34:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:01,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-10-14 20:34:01,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:01,549 INFO L225 Difference]: With dead ends: 372 [2024-10-14 20:34:01,549 INFO L226 Difference]: Without dead ends: 368 [2024-10-14 20:34:01,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:01,550 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 34 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:01,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 766 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-14 20:34:01,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-10-14 20:34:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 224 states have (on average 1.5669642857142858) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2024-10-14 20:34:01,557 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 88 [2024-10-14 20:34:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:01,557 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2024-10-14 20:34:01,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:34:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2024-10-14 20:34:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:01,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:01,558 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:01,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 20:34:01,559 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:01,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:01,559 INFO L85 PathProgramCache]: Analyzing trace with hash -969912028, now seen corresponding path program 1 times [2024-10-14 20:34:01,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:01,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620644525] [2024-10-14 20:34:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:01,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:01,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620644525] [2024-10-14 20:34:01,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620644525] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:01,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077629395] [2024-10-14 20:34:01,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:01,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:01,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:01,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:34:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:01,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:01,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:01,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:01,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077629395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:01,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:01,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-14 20:34:01,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225087934] [2024-10-14 20:34:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:01,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:01,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:01,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:01,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:01,789 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:01,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:01,819 INFO L93 Difference]: Finished difference Result 366 states and 385 transitions. [2024-10-14 20:34:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:01,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-10-14 20:34:01,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:01,820 INFO L225 Difference]: With dead ends: 366 [2024-10-14 20:34:01,820 INFO L226 Difference]: Without dead ends: 365 [2024-10-14 20:34:01,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:34:01,821 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 222 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:01,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 852 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:34:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-14 20:34:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-14 20:34:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 224 states have (on average 1.5625) internal successors, (350), 346 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2024-10-14 20:34:01,830 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 87 [2024-10-14 20:34:01,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:01,830 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2024-10-14 20:34:01,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2024-10-14 20:34:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 20:34:01,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:01,831 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:01,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:34:02,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:02,032 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:02,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2501755, now seen corresponding path program 1 times [2024-10-14 20:34:02,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:02,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418594203] [2024-10-14 20:34:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,138 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:02,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418594203] [2024-10-14 20:34:02,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418594203] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772543742] [2024-10-14 20:34:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:02,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:02,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:34:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:02,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:02,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772543742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:02,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:02,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-14 20:34:02,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352000727] [2024-10-14 20:34:02,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:02,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:02,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:02,291 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:02,367 INFO L93 Difference]: Finished difference Result 534 states and 556 transitions. [2024-10-14 20:34:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:02,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2024-10-14 20:34:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:02,371 INFO L225 Difference]: With dead ends: 534 [2024-10-14 20:34:02,371 INFO L226 Difference]: Without dead ends: 533 [2024-10-14 20:34:02,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:02,372 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 220 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:02,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1496 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:02,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-10-14 20:34:02,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2024-10-14 20:34:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 295 states have (on average 1.6305084745762712) internal successors, (481), 417 states have internal predecessors, (481), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:34:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 525 transitions. [2024-10-14 20:34:02,384 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 525 transitions. Word has length 88 [2024-10-14 20:34:02,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:02,384 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 525 transitions. [2024-10-14 20:34:02,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 525 transitions. [2024-10-14 20:34:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 20:34:02,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:02,385 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:02,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:34:02,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:34:02,586 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:02,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:02,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1890782215, now seen corresponding path program 1 times [2024-10-14 20:34:02,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:02,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503088999] [2024-10-14 20:34:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:02,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:02,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503088999] [2024-10-14 20:34:02,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503088999] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908779772] [2024-10-14 20:34:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:02,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:02,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:02,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:02,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:34:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:34:02,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:02,768 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:02,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908779772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:02,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:02,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 20:34:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106829982] [2024-10-14 20:34:02,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:02,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:02,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:02,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:02,769 INFO L87 Difference]: Start difference. First operand 441 states and 525 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:02,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:02,886 INFO L93 Difference]: Finished difference Result 443 states and 525 transitions. [2024-10-14 20:34:02,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:02,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2024-10-14 20:34:02,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:02,889 INFO L225 Difference]: With dead ends: 443 [2024-10-14 20:34:02,889 INFO L226 Difference]: Without dead ends: 435 [2024-10-14 20:34:02,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:02,889 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 437 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:02,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 352 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:02,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-14 20:34:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 433. [2024-10-14 20:34:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 295 states have (on average 1.5966101694915253) internal successors, (471), 409 states have internal predecessors, (471), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:34:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 515 transitions. [2024-10-14 20:34:02,899 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 515 transitions. Word has length 90 [2024-10-14 20:34:02,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:02,899 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 515 transitions. [2024-10-14 20:34:02,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 515 transitions. [2024-10-14 20:34:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 20:34:02,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:02,900 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:02,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:34:03,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 20:34:03,102 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:03,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1515293429, now seen corresponding path program 1 times [2024-10-14 20:34:03,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:03,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790109024] [2024-10-14 20:34:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790109024] [2024-10-14 20:34:03,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790109024] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104620273] [2024-10-14 20:34:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:03,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:03,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:34:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:34:03,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:03,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:03,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104620273] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:03,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:03,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 20:34:03,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823197795] [2024-10-14 20:34:03,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:03,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:34:03,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:03,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:34:03,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:03,377 INFO L87 Difference]: Start difference. First operand 433 states and 515 transitions. Second operand has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 20:34:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:03,565 INFO L93 Difference]: Finished difference Result 778 states and 947 transitions. [2024-10-14 20:34:03,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:03,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 91 [2024-10-14 20:34:03,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:03,567 INFO L225 Difference]: With dead ends: 778 [2024-10-14 20:34:03,568 INFO L226 Difference]: Without dead ends: 770 [2024-10-14 20:34:03,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:03,568 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 824 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:03,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 979 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:03,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-10-14 20:34:03,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 504. [2024-10-14 20:34:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 366 states have (on average 1.5628415300546448) internal successors, (572), 475 states have internal predecessors, (572), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:34:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 626 transitions. [2024-10-14 20:34:03,582 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 626 transitions. Word has length 91 [2024-10-14 20:34:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:03,583 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 626 transitions. [2024-10-14 20:34:03,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 20:34:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 626 transitions. [2024-10-14 20:34:03,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 20:34:03,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:03,584 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:03,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:34:03,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 20:34:03,785 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:03,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:03,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1478079932, now seen corresponding path program 1 times [2024-10-14 20:34:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:03,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465402313] [2024-10-14 20:34:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:03,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:03,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465402313] [2024-10-14 20:34:03,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465402313] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:03,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454544548] [2024-10-14 20:34:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:03,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:03,875 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:03,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:34:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:03,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:04,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:04,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454544548] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:04,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:04,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-14 20:34:04,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711957181] [2024-10-14 20:34:04,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:04,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:34:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:04,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:34:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:04,098 INFO L87 Difference]: Start difference. First operand 504 states and 626 transitions. Second operand has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-14 20:34:04,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:04,299 INFO L93 Difference]: Finished difference Result 1135 states and 1236 transitions. [2024-10-14 20:34:04,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:34:04,300 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 100 [2024-10-14 20:34:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:04,303 INFO L225 Difference]: With dead ends: 1135 [2024-10-14 20:34:04,303 INFO L226 Difference]: Without dead ends: 965 [2024-10-14 20:34:04,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:34:04,304 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 735 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:04,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1663 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:04,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-10-14 20:34:04,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 718. [2024-10-14 20:34:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 673 states have internal predecessors, (916), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-14 20:34:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1000 transitions. [2024-10-14 20:34:04,320 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1000 transitions. Word has length 100 [2024-10-14 20:34:04,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:04,320 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 1000 transitions. [2024-10-14 20:34:04,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-14 20:34:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1000 transitions. [2024-10-14 20:34:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 20:34:04,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:04,321 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:04,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:04,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:04,526 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:04,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:04,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2065209256, now seen corresponding path program 1 times [2024-10-14 20:34:04,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:04,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771606280] [2024-10-14 20:34:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:04,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:04,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923200663] [2024-10-14 20:34:04,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:04,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:04,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:04,541 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:04,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:34:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:04,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:04,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:04,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:04,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:04,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771606280] [2024-10-14 20:34:04,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:04,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923200663] [2024-10-14 20:34:04,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923200663] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:04,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:04,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-14 20:34:04,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227553518] [2024-10-14 20:34:04,800 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:04,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:04,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:04,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:04,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:34:04,801 INFO L87 Difference]: Start difference. First operand 718 states and 1000 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:34:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:05,036 INFO L93 Difference]: Finished difference Result 927 states and 1060 transitions. [2024-10-14 20:34:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:05,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 102 [2024-10-14 20:34:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:05,039 INFO L225 Difference]: With dead ends: 927 [2024-10-14 20:34:05,039 INFO L226 Difference]: Without dead ends: 921 [2024-10-14 20:34:05,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:05,040 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 827 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:05,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 991 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:05,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-10-14 20:34:05,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 713. [2024-10-14 20:34:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 562 states have (on average 1.606761565836299) internal successors, (903), 668 states have internal predecessors, (903), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-14 20:34:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 987 transitions. [2024-10-14 20:34:05,061 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 987 transitions. Word has length 102 [2024-10-14 20:34:05,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:05,061 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 987 transitions. [2024-10-14 20:34:05,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:34:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 987 transitions. [2024-10-14 20:34:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 20:34:05,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:05,062 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:05,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:05,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:05,264 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:05,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1943308681, now seen corresponding path program 1 times [2024-10-14 20:34:05,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:05,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146319178] [2024-10-14 20:34:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:05,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100368814] [2024-10-14 20:34:05,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:05,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:05,281 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:05,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:34:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:05,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:34:05,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:05,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:05,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146319178] [2024-10-14 20:34:05,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:05,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100368814] [2024-10-14 20:34:05,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100368814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:05,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:05,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:05,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961191576] [2024-10-14 20:34:05,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:05,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:05,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:05,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:05,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:05,422 INFO L87 Difference]: Start difference. First operand 713 states and 987 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:05,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:05,894 INFO L93 Difference]: Finished difference Result 714 states and 987 transitions. [2024-10-14 20:34:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:05,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-10-14 20:34:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:05,899 INFO L225 Difference]: With dead ends: 714 [2024-10-14 20:34:05,900 INFO L226 Difference]: Without dead ends: 713 [2024-10-14 20:34:05,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:05,900 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 64 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:05,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-10-14 20:34:05,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2024-10-14 20:34:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 562 states have (on average 1.604982206405694) internal successors, (902), 668 states have internal predecessors, (902), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-14 20:34:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 986 transitions. [2024-10-14 20:34:05,932 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 986 transitions. Word has length 104 [2024-10-14 20:34:05,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:05,932 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 986 transitions. [2024-10-14 20:34:05,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 986 transitions. [2024-10-14 20:34:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 20:34:05,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:05,933 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:05,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:34:06,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:06,134 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:06,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:06,135 INFO L85 PathProgramCache]: Analyzing trace with hash -113026762, now seen corresponding path program 1 times [2024-10-14 20:34:06,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:06,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633795236] [2024-10-14 20:34:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:06,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442437038] [2024-10-14 20:34:06,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:06,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:06,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:06,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:06,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:34:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:06,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:06,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:34:06,367 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:06,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:06,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633795236] [2024-10-14 20:34:06,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:06,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442437038] [2024-10-14 20:34:06,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442437038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:06,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:06,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:06,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695649643] [2024-10-14 20:34:06,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:06,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:06,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:06,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:06,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:06,369 INFO L87 Difference]: Start difference. First operand 713 states and 986 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:06,853 INFO L93 Difference]: Finished difference Result 714 states and 986 transitions. [2024-10-14 20:34:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:06,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2024-10-14 20:34:06,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:06,856 INFO L225 Difference]: With dead ends: 714 [2024-10-14 20:34:06,856 INFO L226 Difference]: Without dead ends: 693 [2024-10-14 20:34:06,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:06,857 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:06,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 389 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-10-14 20:34:06,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2024-10-14 20:34:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 544 states have (on average 1.6231617647058822) internal successors, (883), 650 states have internal predecessors, (883), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 963 transitions. [2024-10-14 20:34:06,872 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 963 transitions. Word has length 105 [2024-10-14 20:34:06,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:06,872 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 963 transitions. [2024-10-14 20:34:06,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 963 transitions. [2024-10-14 20:34:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 20:34:06,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:06,873 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 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] [2024-10-14 20:34:06,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:34:07,077 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,SelfDestructingSolverStorable20 [2024-10-14 20:34:07,077 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:07,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:07,078 INFO L85 PathProgramCache]: Analyzing trace with hash -560494871, now seen corresponding path program 1 times [2024-10-14 20:34:07,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:07,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093589061] [2024-10-14 20:34:07,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:07,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:07,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136517326] [2024-10-14 20:34:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:07,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:07,092 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:07,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:34:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:07,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:07,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:07,341 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:07,341 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:07,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:07,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093589061] [2024-10-14 20:34:07,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:07,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136517326] [2024-10-14 20:34:07,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136517326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:07,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:07,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:34:07,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713568404] [2024-10-14 20:34:07,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:07,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:07,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:07,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:07,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:07,343 INFO L87 Difference]: Start difference. First operand 693 states and 963 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:07,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:07,853 INFO L93 Difference]: Finished difference Result 693 states and 963 transitions. [2024-10-14 20:34:07,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:07,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 123 [2024-10-14 20:34:07,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:07,857 INFO L225 Difference]: With dead ends: 693 [2024-10-14 20:34:07,858 INFO L226 Difference]: Without dead ends: 683 [2024-10-14 20:34:07,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:34:07,859 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 237 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:07,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 258 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-14 20:34:07,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2024-10-14 20:34:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 544 states have (on average 1.568014705882353) internal successors, (853), 640 states have internal predecessors, (853), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 933 transitions. [2024-10-14 20:34:07,876 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 933 transitions. Word has length 123 [2024-10-14 20:34:07,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:07,877 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 933 transitions. [2024-10-14 20:34:07,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 933 transitions. [2024-10-14 20:34:07,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 20:34:07,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:07,878 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:07,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:34:08,081 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,SelfDestructingSolverStorable21 [2024-10-14 20:34:08,082 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:08,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:08,083 INFO L85 PathProgramCache]: Analyzing trace with hash -195471728, now seen corresponding path program 1 times [2024-10-14 20:34:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:08,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610249400] [2024-10-14 20:34:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:08,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:08,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887279792] [2024-10-14 20:34:08,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:08,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:08,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:08,100 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:08,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:34:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:08,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:34:08,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:08,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:09,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610249400] [2024-10-14 20:34:09,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887279792] [2024-10-14 20:34:09,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887279792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:09,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:09,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:09,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683823433] [2024-10-14 20:34:09,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:09,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:09,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:09,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:09,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:09,536 INFO L87 Difference]: Start difference. First operand 683 states and 933 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:10,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:10,198 INFO L93 Difference]: Finished difference Result 736 states and 961 transitions. [2024-10-14 20:34:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:10,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2024-10-14 20:34:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:10,201 INFO L225 Difference]: With dead ends: 736 [2024-10-14 20:34:10,201 INFO L226 Difference]: Without dead ends: 713 [2024-10-14 20:34:10,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:10,201 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 131 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:10,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 422 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-10-14 20:34:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 695. [2024-10-14 20:34:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 556 states have (on average 1.5305755395683454) internal successors, (851), 651 states have internal predecessors, (851), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 931 transitions. [2024-10-14 20:34:10,223 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 931 transitions. Word has length 124 [2024-10-14 20:34:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:10,223 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 931 transitions. [2024-10-14 20:34:10,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 931 transitions. [2024-10-14 20:34:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-14 20:34:10,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:10,224 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:10,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:34:10,425 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,SelfDestructingSolverStorable22 [2024-10-14 20:34:10,425 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:10,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1764656181, now seen corresponding path program 1 times [2024-10-14 20:34:10,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:10,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581025063] [2024-10-14 20:34:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:10,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581025063] [2024-10-14 20:34:10,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581025063] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:10,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248354815] [2024-10-14 20:34:10,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:10,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:10,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:10,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:10,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:34:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:10,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:10,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:10,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248354815] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:10,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:10,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-14 20:34:10,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134889491] [2024-10-14 20:34:10,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:10,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:34:10,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:10,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:34:10,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:10,866 INFO L87 Difference]: Start difference. First operand 695 states and 931 transitions. Second operand has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:11,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:11,476 INFO L93 Difference]: Finished difference Result 739 states and 938 transitions. [2024-10-14 20:34:11,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:11,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 125 [2024-10-14 20:34:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:11,478 INFO L225 Difference]: With dead ends: 739 [2024-10-14 20:34:11,478 INFO L226 Difference]: Without dead ends: 734 [2024-10-14 20:34:11,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:11,480 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 336 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:11,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 551 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:11,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-10-14 20:34:11,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 694. [2024-10-14 20:34:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 556 states have (on average 1.5089928057553956) internal successors, (839), 650 states have internal predecessors, (839), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 919 transitions. [2024-10-14 20:34:11,496 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 919 transitions. Word has length 125 [2024-10-14 20:34:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:11,497 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 919 transitions. [2024-10-14 20:34:11,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 919 transitions. [2024-10-14 20:34:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-14 20:34:11,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:11,498 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:11,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:34:11,698 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,SelfDestructingSolverStorable23 [2024-10-14 20:34:11,699 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:11,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:11,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1130233330, now seen corresponding path program 1 times [2024-10-14 20:34:11,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:11,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107022647] [2024-10-14 20:34:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:11,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:11,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107022647] [2024-10-14 20:34:11,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107022647] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:11,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094708797] [2024-10-14 20:34:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:11,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:11,783 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:11,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:34:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:11,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:11,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:12,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094708797] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:12,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:12,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-14 20:34:12,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043118303] [2024-10-14 20:34:12,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:12,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:34:12,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:12,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:34:12,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:12,104 INFO L87 Difference]: Start difference. First operand 694 states and 919 transitions. Second operand has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:12,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:12,554 INFO L93 Difference]: Finished difference Result 738 states and 926 transitions. [2024-10-14 20:34:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:12,555 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-10-14 20:34:12,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:12,557 INFO L225 Difference]: With dead ends: 738 [2024-10-14 20:34:12,557 INFO L226 Difference]: Without dead ends: 733 [2024-10-14 20:34:12,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:12,558 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 334 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:12,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 580 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-10-14 20:34:12,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 693. [2024-10-14 20:34:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 556 states have (on average 1.4874100719424461) internal successors, (827), 649 states have internal predecessors, (827), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 907 transitions. [2024-10-14 20:34:12,579 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 907 transitions. Word has length 126 [2024-10-14 20:34:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:12,579 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 907 transitions. [2024-10-14 20:34:12,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 907 transitions. [2024-10-14 20:34:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-14 20:34:12,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:12,581 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:12,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:12,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:12,782 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:12,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:12,783 INFO L85 PathProgramCache]: Analyzing trace with hash 677494957, now seen corresponding path program 1 times [2024-10-14 20:34:12,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:12,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867927307] [2024-10-14 20:34:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:12,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:12,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001933295] [2024-10-14 20:34:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:12,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:12,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:12,799 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:12,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:34:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:12,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:34:12,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:13,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:13,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:13,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867927307] [2024-10-14 20:34:13,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:13,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001933295] [2024-10-14 20:34:13,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001933295] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:13,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:13,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-14 20:34:13,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818229777] [2024-10-14 20:34:13,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:13,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:34:13,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:13,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:34:13,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:13,416 INFO L87 Difference]: Start difference. First operand 693 states and 907 transitions. Second operand has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:34:19,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:19,670 INFO L93 Difference]: Finished difference Result 758 states and 939 transitions. [2024-10-14 20:34:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:34:19,670 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2024-10-14 20:34:19,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:19,672 INFO L225 Difference]: With dead ends: 758 [2024-10-14 20:34:19,672 INFO L226 Difference]: Without dead ends: 663 [2024-10-14 20:34:19,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:34:19,673 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 748 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:19,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 465 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-10-14 20:34:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-14 20:34:19,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 640. [2024-10-14 20:34:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 508 states have (on average 1.454724409448819) internal successors, (739), 599 states have internal predecessors, (739), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 813 transitions. [2024-10-14 20:34:19,696 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 813 transitions. Word has length 127 [2024-10-14 20:34:19,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:19,697 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 813 transitions. [2024-10-14 20:34:19,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:34:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 813 transitions. [2024-10-14 20:34:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 20:34:19,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:19,698 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-14 20:34:19,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:19,898 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,SelfDestructingSolverStorable25 [2024-10-14 20:34:19,899 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:19,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:19,899 INFO L85 PathProgramCache]: Analyzing trace with hash 678166150, now seen corresponding path program 1 times [2024-10-14 20:34:19,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:19,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830715606] [2024-10-14 20:34:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:19,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:34:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 20:34:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-14 20:34:19,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:19,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830715606] [2024-10-14 20:34:19,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830715606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:19,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:19,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:19,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335705350] [2024-10-14 20:34:19,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:19,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:19,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:19,985 INFO L87 Difference]: Start difference. First operand 640 states and 813 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:20,527 INFO L93 Difference]: Finished difference Result 646 states and 813 transitions. [2024-10-14 20:34:20,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:20,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 169 [2024-10-14 20:34:20,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:20,529 INFO L225 Difference]: With dead ends: 646 [2024-10-14 20:34:20,529 INFO L226 Difference]: Without dead ends: 643 [2024-10-14 20:34:20,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:20,530 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 134 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:20,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 189 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-14 20:34:20,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 638. [2024-10-14 20:34:20,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 508 states have (on average 1.4429133858267718) internal successors, (733), 597 states have internal predecessors, (733), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 807 transitions. [2024-10-14 20:34:20,546 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 807 transitions. Word has length 169 [2024-10-14 20:34:20,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:20,546 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 807 transitions. [2024-10-14 20:34:20,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 807 transitions. [2024-10-14 20:34:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 20:34:20,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:20,547 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:20,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 20:34:20,547 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:20,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:20,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1920667239, now seen corresponding path program 1 times [2024-10-14 20:34:20,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:20,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840106810] [2024-10-14 20:34:20,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:20,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:34:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 20:34:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 20:34:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:20,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:20,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840106810] [2024-10-14 20:34:20,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840106810] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:20,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551154657] [2024-10-14 20:34:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:20,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:20,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:20,651 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:20,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:34:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:20,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:20,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:20,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:20,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551154657] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:20,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:20,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-14 20:34:20,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546398850] [2024-10-14 20:34:20,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:20,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:34:20,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:34:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:20,936 INFO L87 Difference]: Start difference. First operand 638 states and 807 transitions. Second operand has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 20:34:21,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:21,332 INFO L93 Difference]: Finished difference Result 723 states and 831 transitions. [2024-10-14 20:34:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:34:21,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 172 [2024-10-14 20:34:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:21,335 INFO L225 Difference]: With dead ends: 723 [2024-10-14 20:34:21,335 INFO L226 Difference]: Without dead ends: 721 [2024-10-14 20:34:21,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:34:21,335 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1083 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:21,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 756 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:21,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-10-14 20:34:21,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 636. [2024-10-14 20:34:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4271653543307086) internal successors, (725), 595 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 799 transitions. [2024-10-14 20:34:21,365 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 799 transitions. Word has length 172 [2024-10-14 20:34:21,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:21,365 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 799 transitions. [2024-10-14 20:34:21,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 20:34:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 799 transitions. [2024-10-14 20:34:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 20:34:21,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:21,366 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:21,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:34:21,567 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 [2024-10-14 20:34:21,567 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:21,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:21,567 INFO L85 PathProgramCache]: Analyzing trace with hash -588857553, now seen corresponding path program 1 times [2024-10-14 20:34:21,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:21,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971200779] [2024-10-14 20:34:21,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:21,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:21,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328558455] [2024-10-14 20:34:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:21,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:21,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:21,593 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) [2024-10-14 20:34:21,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:34:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:21,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:21,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:21,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:22,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:22,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971200779] [2024-10-14 20:34:22,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:22,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328558455] [2024-10-14 20:34:22,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328558455] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:22,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:22,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:22,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571253785] [2024-10-14 20:34:22,977 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:22,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:22,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:22,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:22,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:22,978 INFO L87 Difference]: Start difference. First operand 636 states and 799 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:23,523 INFO L93 Difference]: Finished difference Result 637 states and 799 transitions. [2024-10-14 20:34:23,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:23,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 173 [2024-10-14 20:34:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:23,525 INFO L225 Difference]: With dead ends: 637 [2024-10-14 20:34:23,525 INFO L226 Difference]: Without dead ends: 636 [2024-10-14 20:34:23,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:23,526 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 32 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:23,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 461 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-14 20:34:23,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-14 20:34:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4251968503937007) internal successors, (724), 595 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 798 transitions. [2024-10-14 20:34:23,541 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 798 transitions. Word has length 173 [2024-10-14 20:34:23,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:23,542 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 798 transitions. [2024-10-14 20:34:23,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 798 transitions. [2024-10-14 20:34:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-14 20:34:23,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:23,543 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-14 20:34:23,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:34:23,743 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 [2024-10-14 20:34:23,743 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:23,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:23,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1074714775, now seen corresponding path program 1 times [2024-10-14 20:34:23,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:23,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214966729] [2024-10-14 20:34:23,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:23,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:23,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507369872] [2024-10-14 20:34:23,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:23,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:23,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:23,769 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) [2024-10-14 20:34:23,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:34:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:23,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:34:23,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:24,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:24,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:24,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214966729] [2024-10-14 20:34:24,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:24,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507369872] [2024-10-14 20:34:24,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507369872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:24,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:24,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:24,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776425790] [2024-10-14 20:34:24,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:24,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:24,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:24,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:24,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:24,431 INFO L87 Difference]: Start difference. First operand 636 states and 798 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 20:34:24,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:24,955 INFO L93 Difference]: Finished difference Result 647 states and 798 transitions. [2024-10-14 20:34:24,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:24,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 174 [2024-10-14 20:34:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:24,957 INFO L225 Difference]: With dead ends: 647 [2024-10-14 20:34:24,957 INFO L226 Difference]: Without dead ends: 646 [2024-10-14 20:34:24,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:24,958 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 69 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:24,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 554 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-10-14 20:34:24,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 636. [2024-10-14 20:34:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4232283464566928) internal successors, (723), 595 states have internal predecessors, (723), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 797 transitions. [2024-10-14 20:34:24,973 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 797 transitions. Word has length 174 [2024-10-14 20:34:24,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:24,973 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 797 transitions. [2024-10-14 20:34:24,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 20:34:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 797 transitions. [2024-10-14 20:34:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 20:34:24,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:24,974 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-14 20:34:24,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:25,174 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 [2024-10-14 20:34:25,174 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:25,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2141452877, now seen corresponding path program 1 times [2024-10-14 20:34:25,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:25,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094262528] [2024-10-14 20:34:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:25,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2099579957] [2024-10-14 20:34:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:25,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:25,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:25,197 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) [2024-10-14 20:34:25,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:34:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 20:34:25,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:25,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:26,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094262528] [2024-10-14 20:34:26,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:26,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099579957] [2024-10-14 20:34:26,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099579957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:26,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:26,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:26,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549812434] [2024-10-14 20:34:26,195 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:26,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:26,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:26,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:26,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:26,196 INFO L87 Difference]: Start difference. First operand 636 states and 797 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:26,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:26,937 INFO L93 Difference]: Finished difference Result 640 states and 797 transitions. [2024-10-14 20:34:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:26,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 177 [2024-10-14 20:34:26,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:26,939 INFO L225 Difference]: With dead ends: 640 [2024-10-14 20:34:26,939 INFO L226 Difference]: Without dead ends: 636 [2024-10-14 20:34:26,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:34:26,940 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 27 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:26,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 416 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-14 20:34:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-14 20:34:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4153543307086613) internal successors, (719), 595 states have internal predecessors, (719), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 793 transitions. [2024-10-14 20:34:26,957 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 793 transitions. Word has length 177 [2024-10-14 20:34:26,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:26,958 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 793 transitions. [2024-10-14 20:34:26,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2024-10-14 20:34:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-14 20:34:26,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:26,958 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:26,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:34:27,159 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 [2024-10-14 20:34:27,159 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:27,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1960529555, now seen corresponding path program 1 times [2024-10-14 20:34:27,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:27,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287069645] [2024-10-14 20:34:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:27,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274044696] [2024-10-14 20:34:27,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:27,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:27,183 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) [2024-10-14 20:34:27,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:34:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:34:27,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:27,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:27,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287069645] [2024-10-14 20:34:27,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274044696] [2024-10-14 20:34:27,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274044696] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:27,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:27,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:27,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796370472] [2024-10-14 20:34:27,864 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:27,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:27,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:27,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:27,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:27,865 INFO L87 Difference]: Start difference. First operand 636 states and 793 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:28,461 INFO L93 Difference]: Finished difference Result 640 states and 793 transitions. [2024-10-14 20:34:28,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:28,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 178 [2024-10-14 20:34:28,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:28,463 INFO L225 Difference]: With dead ends: 640 [2024-10-14 20:34:28,464 INFO L226 Difference]: Without dead ends: 636 [2024-10-14 20:34:28,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:28,465 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 44 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:28,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 502 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-14 20:34:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-14 20:34:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4074803149606299) internal successors, (715), 595 states have internal predecessors, (715), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 789 transitions. [2024-10-14 20:34:28,481 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 789 transitions. Word has length 178 [2024-10-14 20:34:28,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:28,482 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 789 transitions. [2024-10-14 20:34:28,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 789 transitions. [2024-10-14 20:34:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-10-14 20:34:28,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:28,482 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:28,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:28,683 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 [2024-10-14 20:34:28,683 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:28,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:28,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1759242747, now seen corresponding path program 1 times [2024-10-14 20:34:28,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:28,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087249010] [2024-10-14 20:34:28,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:28,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:28,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294714] [2024-10-14 20:34:28,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:28,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:28,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:28,711 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) [2024-10-14 20:34:28,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:34:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:28,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:34:28,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:29,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:29,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:29,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087249010] [2024-10-14 20:34:29,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:29,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294714] [2024-10-14 20:34:29,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294714] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:29,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:29,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:29,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027624363] [2024-10-14 20:34:29,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:29,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:29,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:29,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:29,351 INFO L87 Difference]: Start difference. First operand 636 states and 789 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:29,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:29,911 INFO L93 Difference]: Finished difference Result 639 states and 789 transitions. [2024-10-14 20:34:29,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:29,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 196 [2024-10-14 20:34:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:29,913 INFO L225 Difference]: With dead ends: 639 [2024-10-14 20:34:29,913 INFO L226 Difference]: Without dead ends: 636 [2024-10-14 20:34:29,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:29,914 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 13 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:29,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 587 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:29,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-14 20:34:29,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-14 20:34:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4015748031496063) internal successors, (712), 595 states have internal predecessors, (712), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 786 transitions. [2024-10-14 20:34:29,936 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 786 transitions. Word has length 196 [2024-10-14 20:34:29,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:29,937 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 786 transitions. [2024-10-14 20:34:29,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 786 transitions. [2024-10-14 20:34:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-14 20:34:29,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:29,938 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:29,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-14 20:34:30,138 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 [2024-10-14 20:34:30,138 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:30,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:30,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1298049470, now seen corresponding path program 1 times [2024-10-14 20:34:30,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:30,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521530057] [2024-10-14 20:34:30,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:34:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 20:34:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 20:34:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-14 20:34:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:30,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521530057] [2024-10-14 20:34:30,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521530057] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:30,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513589197] [2024-10-14 20:34:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:30,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:30,347 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) [2024-10-14 20:34:30,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:34:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:30,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:30,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:31,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:31,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513589197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:31,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:31,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-14 20:34:31,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824983055] [2024-10-14 20:34:31,065 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:31,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:34:31,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:31,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:34:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:31,066 INFO L87 Difference]: Start difference. First operand 636 states and 786 transitions. Second operand has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-14 20:34:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:33,474 INFO L93 Difference]: Finished difference Result 636 states and 786 transitions. [2024-10-14 20:34:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:34:33,474 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 197 [2024-10-14 20:34:33,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:33,476 INFO L225 Difference]: With dead ends: 636 [2024-10-14 20:34:33,476 INFO L226 Difference]: Without dead ends: 632 [2024-10-14 20:34:33,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:34:33,477 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 459 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:33,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 284 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 20:34:33,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-14 20:34:33,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2024-10-14 20:34:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 508 states have (on average 1.375984251968504) internal successors, (699), 591 states have internal predecessors, (699), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:34:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 773 transitions. [2024-10-14 20:34:33,493 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 773 transitions. Word has length 197 [2024-10-14 20:34:33,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:33,493 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 773 transitions. [2024-10-14 20:34:33,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-14 20:34:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 773 transitions. [2024-10-14 20:34:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 20:34:33,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:33,494 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:33,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-14 20:34:33,694 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 [2024-10-14 20:34:33,695 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:33,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:33,695 INFO L85 PathProgramCache]: Analyzing trace with hash 974204166, now seen corresponding path program 1 times [2024-10-14 20:34:33,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:33,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569859243] [2024-10-14 20:34:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:33,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:33,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581321973] [2024-10-14 20:34:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:33,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:33,715 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) [2024-10-14 20:34:33,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:34:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:33,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:34:33,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:34,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569859243] [2024-10-14 20:34:34,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581321973] [2024-10-14 20:34:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581321973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:34,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:34,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:34,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250793126] [2024-10-14 20:34:34,188 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:34,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:34,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:34,189 INFO L87 Difference]: Start difference. First operand 632 states and 773 transitions. Second operand has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:34,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:34,701 INFO L93 Difference]: Finished difference Result 634 states and 773 transitions. [2024-10-14 20:34:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:34,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 201 [2024-10-14 20:34:34,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:34,703 INFO L225 Difference]: With dead ends: 634 [2024-10-14 20:34:34,703 INFO L226 Difference]: Without dead ends: 598 [2024-10-14 20:34:34,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:34,704 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 8 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:34,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 589 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-14 20:34:34,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2024-10-14 20:34:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 476 states have (on average 1.3970588235294117) internal successors, (665), 559 states have internal predecessors, (665), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:34:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 735 transitions. [2024-10-14 20:34:34,717 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 735 transitions. Word has length 201 [2024-10-14 20:34:34,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:34,717 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 735 transitions. [2024-10-14 20:34:34,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 735 transitions. [2024-10-14 20:34:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 20:34:34,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:34,718 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-10-14 20:34:34,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:34,918 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 [2024-10-14 20:34:34,918 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:34,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash 916903759, now seen corresponding path program 1 times [2024-10-14 20:34:34,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:34,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51166024] [2024-10-14 20:34:34,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:34,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671093590] [2024-10-14 20:34:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:34,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:34,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:34,934 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) [2024-10-14 20:34:34,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:34:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:34,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:34,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:35,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:35,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:35,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51166024] [2024-10-14 20:34:35,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:35,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671093590] [2024-10-14 20:34:35,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671093590] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:35,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:35,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143124967] [2024-10-14 20:34:35,152 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:35,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:35,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:35,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:35,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:35,152 INFO L87 Difference]: Start difference. First operand 598 states and 735 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:35,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:35,262 INFO L93 Difference]: Finished difference Result 685 states and 759 transitions. [2024-10-14 20:34:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:35,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 201 [2024-10-14 20:34:35,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:35,264 INFO L225 Difference]: With dead ends: 685 [2024-10-14 20:34:35,264 INFO L226 Difference]: Without dead ends: 684 [2024-10-14 20:34:35,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:35,264 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 185 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:35,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 693 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-10-14 20:34:35,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 598. [2024-10-14 20:34:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 476 states have (on average 1.3949579831932772) internal successors, (664), 559 states have internal predecessors, (664), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:34:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 734 transitions. [2024-10-14 20:34:35,279 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 734 transitions. Word has length 201 [2024-10-14 20:34:35,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:35,280 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 734 transitions. [2024-10-14 20:34:35,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 734 transitions. [2024-10-14 20:34:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-14 20:34:35,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:35,280 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-14 20:34:35,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-14 20:34:35,481 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 [2024-10-14 20:34:35,482 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:35,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2113204364, now seen corresponding path program 2 times [2024-10-14 20:34:35,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:35,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020679591] [2024-10-14 20:34:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:35,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1505634413] [2024-10-14 20:34:35,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:34:35,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:35,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:35,502 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) [2024-10-14 20:34:35,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:34:35,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:34:35,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:34:35,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:34:35,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:35,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:36,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:36,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020679591] [2024-10-14 20:34:36,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:36,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505634413] [2024-10-14 20:34:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505634413] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:36,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:36,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:34:36,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802713593] [2024-10-14 20:34:36,455 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:36,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:34:36,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:36,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:34:36,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:36,456 INFO L87 Difference]: Start difference. First operand 598 states and 734 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:34:37,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:37,303 INFO L93 Difference]: Finished difference Result 640 states and 758 transitions. [2024-10-14 20:34:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:34:37,303 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 208 [2024-10-14 20:34:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:37,305 INFO L225 Difference]: With dead ends: 640 [2024-10-14 20:34:37,305 INFO L226 Difference]: Without dead ends: 618 [2024-10-14 20:34:37,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:37,306 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 121 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:37,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 577 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:34:37,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-10-14 20:34:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 606. [2024-10-14 20:34:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 484 states have (on average 1.3491735537190082) internal successors, (653), 566 states have internal predecessors, (653), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:34:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 723 transitions. [2024-10-14 20:34:37,319 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 723 transitions. Word has length 208 [2024-10-14 20:34:37,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:37,319 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 723 transitions. [2024-10-14 20:34:37,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:34:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 723 transitions. [2024-10-14 20:34:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-14 20:34:37,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:37,320 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-14 20:34:37,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-14 20:34:37,520 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 [2024-10-14 20:34:37,521 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:37,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1084825935, now seen corresponding path program 2 times [2024-10-14 20:34:37,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:37,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294010783] [2024-10-14 20:34:37,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:37,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:34:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 20:34:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 20:34:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 20:34:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 20:34:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:37,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:37,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294010783] [2024-10-14 20:34:37,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294010783] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:37,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404676495] [2024-10-14 20:34:37,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:34:37,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:37,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:37,673 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) [2024-10-14 20:34:37,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:34:37,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:34:37,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:34:37,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:37,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:38,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:38,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404676495] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:38,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:38,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:34:38,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205788517] [2024-10-14 20:34:38,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:38,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:34:38,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:38,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:34:38,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:38,200 INFO L87 Difference]: Start difference. First operand 606 states and 723 transitions. Second operand has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:34:40,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:40,051 INFO L93 Difference]: Finished difference Result 606 states and 723 transitions. [2024-10-14 20:34:40,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:34:40,052 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 209 [2024-10-14 20:34:40,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:40,053 INFO L225 Difference]: With dead ends: 606 [2024-10-14 20:34:40,053 INFO L226 Difference]: Without dead ends: 599 [2024-10-14 20:34:40,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:34:40,054 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 432 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:40,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 581 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 20:34:40,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-10-14 20:34:40,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-10-14 20:34:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 484 states have (on average 1.322314049586777) internal successors, (640), 559 states have internal predecessors, (640), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:34:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 710 transitions. [2024-10-14 20:34:40,067 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 710 transitions. Word has length 209 [2024-10-14 20:34:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:40,067 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 710 transitions. [2024-10-14 20:34:40,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:34:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 710 transitions. [2024-10-14 20:34:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 20:34:40,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:40,069 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-14 20:34:40,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:40,269 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 [2024-10-14 20:34:40,269 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:40,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:40,269 INFO L85 PathProgramCache]: Analyzing trace with hash -730134290, now seen corresponding path program 2 times [2024-10-14 20:34:40,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:40,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493041806] [2024-10-14 20:34:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:40,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:34:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 20:34:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 20:34:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 20:34:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 20:34:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:40,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:40,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493041806] [2024-10-14 20:34:40,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493041806] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:40,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116411006] [2024-10-14 20:34:40,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:34:40,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:40,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:40,415 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) [2024-10-14 20:34:40,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:34:40,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:34:40,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:34:40,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:40,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:40,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:40,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116411006] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:40,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:40,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:34:40,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853098995] [2024-10-14 20:34:40,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:40,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:34:40,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:40,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:34:40,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:40,963 INFO L87 Difference]: Start difference. First operand 599 states and 710 transitions. Second operand has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:34:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:42,379 INFO L93 Difference]: Finished difference Result 659 states and 755 transitions. [2024-10-14 20:34:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:34:42,379 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2024-10-14 20:34:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:42,381 INFO L225 Difference]: With dead ends: 659 [2024-10-14 20:34:42,381 INFO L226 Difference]: Without dead ends: 657 [2024-10-14 20:34:42,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:34:42,382 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 376 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:42,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 784 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 20:34:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-14 20:34:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 624. [2024-10-14 20:34:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 506 states have (on average 1.3102766798418972) internal successors, (663), 581 states have internal predecessors, (663), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 20:34:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 739 transitions. [2024-10-14 20:34:42,396 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 739 transitions. Word has length 210 [2024-10-14 20:34:42,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:42,397 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 739 transitions. [2024-10-14 20:34:42,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:34:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 739 transitions. [2024-10-14 20:34:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 20:34:42,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:42,397 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-14 20:34:42,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:42,598 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 [2024-10-14 20:34:42,598 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:42,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:42,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1579380400, now seen corresponding path program 1 times [2024-10-14 20:34:42,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:42,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100282307] [2024-10-14 20:34:42,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:34:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:34:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 20:34:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:34:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:34:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:34:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 20:34:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:34:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:34:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 20:34:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 20:34:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 20:34:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 20:34:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:42,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:42,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100282307] [2024-10-14 20:34:42,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100282307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:42,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284678008] [2024-10-14 20:34:42,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:42,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:42,777 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) [2024-10-14 20:34:42,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:34:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:34:42,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:43,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284678008] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:47,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:47,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-14 20:34:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820104829] [2024-10-14 20:34:47,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:47,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:34:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:47,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:34:47,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:47,553 INFO L87 Difference]: Start difference. First operand 624 states and 739 transitions. Second operand has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-14 20:34:53,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:53,507 INFO L93 Difference]: Finished difference Result 631 states and 742 transitions. [2024-10-14 20:34:53,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:34:53,508 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 212 [2024-10-14 20:34:53,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:53,510 INFO L225 Difference]: With dead ends: 631 [2024-10-14 20:34:53,510 INFO L226 Difference]: Without dead ends: 619 [2024-10-14 20:34:53,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:34:53,510 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 767 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:53,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 720 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-10-14 20:34:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-10-14 20:34:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2024-10-14 20:34:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 508 states have (on average 1.281496062992126) internal successors, (651), 575 states have internal predecessors, (651), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 20:34:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 727 transitions. [2024-10-14 20:34:53,525 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 727 transitions. Word has length 212 [2024-10-14 20:34:53,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:53,526 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 727 transitions. [2024-10-14 20:34:53,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-14 20:34:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 727 transitions. [2024-10-14 20:34:53,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 20:34:53,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:53,527 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-14 20:34:53,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:34:53,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-14 20:34:53,728 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:34:53,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash 45329653, now seen corresponding path program 1 times [2024-10-14 20:34:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:53,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118427811] [2024-10-14 20:34:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:53,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:53,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190965344] [2024-10-14 20:34:53,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:53,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:53,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:53,744 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) [2024-10-14 20:34:53,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:34:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:53,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:34:53,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:54,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:54,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:54,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118427811] [2024-10-14 20:34:54,908 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:54,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190965344] [2024-10-14 20:34:54,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190965344] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:54,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:54,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-14 20:34:54,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721059046] [2024-10-14 20:34:54,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:54,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:34:54,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:34:54,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:34:54,910 INFO L87 Difference]: Start difference. First operand 619 states and 727 transitions. Second operand has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-14 20:35:00,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 20:35:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:06,499 INFO L93 Difference]: Finished difference Result 1012 states and 1270 transitions. [2024-10-14 20:35:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:35:06,499 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 215 [2024-10-14 20:35:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:06,501 INFO L225 Difference]: With dead ends: 1012 [2024-10-14 20:35:06,501 INFO L226 Difference]: Without dead ends: 928 [2024-10-14 20:35:06,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:35:06,502 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1246 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 3344 mSolverCounterSat, 111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:06,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 1114 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3344 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2024-10-14 20:35:06,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-10-14 20:35:06,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 723. [2024-10-14 20:35:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 605 states have (on average 1.3024793388429752) internal successors, (788), 672 states have internal predecessors, (788), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-14 20:35:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 878 transitions. [2024-10-14 20:35:06,528 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 878 transitions. Word has length 215 [2024-10-14 20:35:06,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:06,529 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 878 transitions. [2024-10-14 20:35:06,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-14 20:35:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 878 transitions. [2024-10-14 20:35:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-14 20:35:06,530 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:06,530 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:06,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:06,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:06,731 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:35:06,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:06,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1341377715, now seen corresponding path program 2 times [2024-10-14 20:35:06,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:06,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003257883] [2024-10-14 20:35:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:06,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:06,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961222050] [2024-10-14 20:35:06,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:06,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:06,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:06,749 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) [2024-10-14 20:35:06,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:35:06,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:06,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:06,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:35:06,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:07,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:08,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003257883] [2024-10-14 20:35:08,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961222050] [2024-10-14 20:35:08,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961222050] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:08,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:08,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:35:08,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164064342] [2024-10-14 20:35:08,014 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:08,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:08,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:08,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:08,015 INFO L87 Difference]: Start difference. First operand 723 states and 878 transitions. Second operand has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:35:10,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:10,071 INFO L93 Difference]: Finished difference Result 724 states and 878 transitions. [2024-10-14 20:35:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:35:10,071 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 257 [2024-10-14 20:35:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:10,073 INFO L225 Difference]: With dead ends: 724 [2024-10-14 20:35:10,073 INFO L226 Difference]: Without dead ends: 722 [2024-10-14 20:35:10,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:35:10,074 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 659 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:10,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 212 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 20:35:10,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-10-14 20:35:10,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 721. [2024-10-14 20:35:10,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 605 states have (on average 1.2925619834710744) internal successors, (782), 670 states have internal predecessors, (782), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-14 20:35:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 872 transitions. [2024-10-14 20:35:10,093 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 872 transitions. Word has length 257 [2024-10-14 20:35:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:10,093 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 872 transitions. [2024-10-14 20:35:10,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:35:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 872 transitions. [2024-10-14 20:35:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-14 20:35:10,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:10,095 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:10,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-14 20:35:10,295 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,SelfDestructingSolverStorable41 [2024-10-14 20:35:10,295 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:35:10,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:10,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1366963611, now seen corresponding path program 2 times [2024-10-14 20:35:10,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:10,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983897185] [2024-10-14 20:35:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:10,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [918223802] [2024-10-14 20:35:10,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:10,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:10,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:10,320 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) [2024-10-14 20:35:10,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:35:10,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:10,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:10,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:35:10,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:10,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:11,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:11,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983897185] [2024-10-14 20:35:11,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:11,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918223802] [2024-10-14 20:35:11,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918223802] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:11,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:35:11,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944013397] [2024-10-14 20:35:11,318 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:11,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:35:11,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:35:11,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:35:11,320 INFO L87 Difference]: Start difference. First operand 721 states and 872 transitions. Second operand has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-14 20:35:12,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:12,448 INFO L93 Difference]: Finished difference Result 728 states and 872 transitions. [2024-10-14 20:35:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:35:12,448 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 258 [2024-10-14 20:35:12,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:12,450 INFO L225 Difference]: With dead ends: 728 [2024-10-14 20:35:12,450 INFO L226 Difference]: Without dead ends: 727 [2024-10-14 20:35:12,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:35:12,451 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 158 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:12,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 624 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:35:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-14 20:35:12,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 721. [2024-10-14 20:35:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 605 states have (on average 1.290909090909091) internal successors, (781), 670 states have internal predecessors, (781), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-14 20:35:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 871 transitions. [2024-10-14 20:35:12,474 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 871 transitions. Word has length 258 [2024-10-14 20:35:12,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:12,474 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 871 transitions. [2024-10-14 20:35:12,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-14 20:35:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 871 transitions. [2024-10-14 20:35:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-10-14 20:35:12,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:12,475 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:12,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-14 20:35:12,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:12,676 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-14 20:35:12,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1667150135, now seen corresponding path program 2 times [2024-10-14 20:35:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:12,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008771641] [2024-10-14 20:35:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:12,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184564724] [2024-10-14 20:35:12,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:12,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:12,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:12,698 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) [2024-10-14 20:35:12,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:35:12,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:12,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:12,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 20:35:12,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:14,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:16,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:16,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008771641] [2024-10-14 20:35:16,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:16,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184564724] [2024-10-14 20:35:16,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184564724] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:16,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:16,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-10-14 20:35:16,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530713358] [2024-10-14 20:35:16,800 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:16,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-14 20:35:16,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:16,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-14 20:35:16,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:35:16,802 INFO L87 Difference]: Start difference. First operand 721 states and 871 transitions. Second operand has 22 states, 21 states have (on average 17.38095238095238) internal successors, (365), 22 states have internal predecessors, (365), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32)