./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/hard-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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/hard-ll_valuebound2.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 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:22:33,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:22:34,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:22:34,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:22:34,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:22:34,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:22:34,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:22:34,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:22:34,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:22:34,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:22:34,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:22:34,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:22:34,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:22:34,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:22:34,060 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:22:34,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:22:34,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:22:34,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:22:34,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:22:34,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:22:34,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:22:34,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:22:34,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:22:34,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:22:34,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:22:34,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:22:34,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:22:34,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:22:34,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:22:34,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:22:34,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:22:34,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:22:34,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:22:34,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:22:34,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:22:34,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:22:34,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:22:34,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:22:34,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:22:34,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:22:34,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:22:34,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:22:34,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:22:34,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:22:34,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 [2024-10-24 20:22:34,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:22:34,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:22:34,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:22:34,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:22:34,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:22:34,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2024-10-24 20:22:35,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:22:35,699 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:22:35,699 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2024-10-24 20:22:35,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb809810/e23bb660d44341c6a3cffb315dcba358/FLAG7cd8f4f73 [2024-10-24 20:22:36,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb809810/e23bb660d44341c6a3cffb315dcba358 [2024-10-24 20:22:36,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:22:36,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:22:36,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:22:36,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:22:36,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:22:36,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17115c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36, skipping insertion in model container [2024-10-24 20:22:36,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:22:36,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:22:36,302 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:22:36,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:22:36,331 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:22:36,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36 WrapperNode [2024-10-24 20:22:36,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:22:36,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:22:36,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:22:36,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:22:36,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,370 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-10-24 20:22:36,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:22:36,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:22:36,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:22:36,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:22:36,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,404 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]. [2024-10-24 20:22:36,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:22:36,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:22:36,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:22:36,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:22:36,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (1/1) ... [2024-10-24 20:22:36,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:22:36,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:36,442 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) [2024-10-24 20:22:36,444 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 [2024-10-24 20:22:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:22:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 20:22:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 20:22:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:22:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:22:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:22:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:22:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:22:36,523 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:22:36,525 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:22:36,754 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-10-24 20:22:36,755 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:22:36,780 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:22:36,781 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 20:22:36,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:22:36 BoogieIcfgContainer [2024-10-24 20:22:36,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:22:36,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:22:36,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:22:36,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:22:36,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:22:36" (1/3) ... [2024-10-24 20:22:36,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278a7bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:22:36, skipping insertion in model container [2024-10-24 20:22:36,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:22:36" (2/3) ... [2024-10-24 20:22:36,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278a7bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:22:36, skipping insertion in model container [2024-10-24 20:22:36,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:22:36" (3/3) ... [2024-10-24 20:22:36,790 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound2.c [2024-10-24 20:22:36,806 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:22:36,806 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-24 20:22:36,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:22:36,863 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;@38749f60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:22:36,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-24 20:22:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 63 states have internal predecessors, (72), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:22:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 20:22:36,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:36,871 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:36,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:36,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:36,877 INFO L85 PathProgramCache]: Analyzing trace with hash -86371443, now seen corresponding path program 1 times [2024-10-24 20:22:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:36,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621534703] [2024-10-24 20:22:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:36,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:22:37,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:37,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621534703] [2024-10-24 20:22:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621534703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:37,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:37,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:37,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966115191] [2024-10-24 20:22:37,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:37,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:22:37,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:37,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:22:37,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:22:37,058 INFO L87 Difference]: Start difference. First operand has 76 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 63 states have internal predecessors, (72), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:22:37,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:37,082 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2024-10-24 20:22:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:22:37,084 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-10-24 20:22:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:37,090 INFO L225 Difference]: With dead ends: 150 [2024-10-24 20:22:37,090 INFO L226 Difference]: Without dead ends: 72 [2024-10-24 20:22:37,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:22:37,095 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:37,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:22:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-24 20:22:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-24 20:22:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 61 states have internal predecessors, (64), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:22:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2024-10-24 20:22:37,124 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 21 [2024-10-24 20:22:37,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:37,125 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2024-10-24 20:22:37,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:22:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2024-10-24 20:22:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 20:22:37,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:37,127 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:37,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:22:37,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:37,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:37,129 INFO L85 PathProgramCache]: Analyzing trace with hash 140634780, now seen corresponding path program 1 times [2024-10-24 20:22:37,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:37,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779870232] [2024-10-24 20:22:37,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:37,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:37,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801359482] [2024-10-24 20:22:37,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:37,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:37,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:37,164 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) [2024-10-24 20:22:37,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:22:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:22:37,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-24 20:22:37,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:22:37,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:37,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779870232] [2024-10-24 20:22:37,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:37,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801359482] [2024-10-24 20:22:37,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801359482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:37,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:37,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:37,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965068327] [2024-10-24 20:22:37,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:37,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:22:37,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:37,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:22:37,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:37,269 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:22:37,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:37,325 INFO L93 Difference]: Finished difference Result 148 states and 167 transitions. [2024-10-24 20:22:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:22:37,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2024-10-24 20:22:37,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:37,328 INFO L225 Difference]: With dead ends: 148 [2024-10-24 20:22:37,329 INFO L226 Difference]: Without dead ends: 99 [2024-10-24 20:22:37,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:37,330 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:37,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 128 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:22:37,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-24 20:22:37,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 93. [2024-10-24 20:22:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.6111111111111112) internal successors, (87), 77 states have internal predecessors, (87), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 20:22:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 113 transitions. [2024-10-24 20:22:37,343 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 113 transitions. Word has length 30 [2024-10-24 20:22:37,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:37,344 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 113 transitions. [2024-10-24 20:22:37,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:22:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-10-24 20:22:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 20:22:37,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:37,345 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:37,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 20:22:37,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:37,546 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:37,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1677847877, now seen corresponding path program 1 times [2024-10-24 20:22:37,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:37,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786703894] [2024-10-24 20:22:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:37,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:22:37,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:37,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786703894] [2024-10-24 20:22:37,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786703894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:37,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:37,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:37,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269048221] [2024-10-24 20:22:37,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:37,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:22:37,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:37,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:22:37,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:37,698 INFO L87 Difference]: Start difference. First operand 93 states and 113 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-24 20:22:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:37,799 INFO L93 Difference]: Finished difference Result 93 states and 113 transitions. [2024-10-24 20:22:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:22:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 38 [2024-10-24 20:22:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:37,802 INFO L225 Difference]: With dead ends: 93 [2024-10-24 20:22:37,802 INFO L226 Difference]: Without dead ends: 91 [2024-10-24 20:22:37,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:37,804 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 39 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:37,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 74 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:37,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-24 20:22:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-24 20:22:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 75 states have internal predecessors, (84), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 20:22:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 110 transitions. [2024-10-24 20:22:37,816 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 110 transitions. Word has length 38 [2024-10-24 20:22:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:37,816 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 110 transitions. [2024-10-24 20:22:37,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-24 20:22:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2024-10-24 20:22:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:22:37,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:37,818 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:37,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:22:37,818 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:37,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash 473675319, now seen corresponding path program 1 times [2024-10-24 20:22:37,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:37,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132197889] [2024-10-24 20:22:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:37,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:37,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748197645] [2024-10-24 20:22:37,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:37,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:37,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:37,849 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) [2024-10-24 20:22:37,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:22:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:37,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:22:37,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:22:37,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:22:37,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132197889] [2024-10-24 20:22:37,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:37,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748197645] [2024-10-24 20:22:37,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748197645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:37,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:37,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:37,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742397661] [2024-10-24 20:22:37,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:37,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:22:37,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:37,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:22:37,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:37,912 INFO L87 Difference]: Start difference. First operand 91 states and 110 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-24 20:22:37,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:37,956 INFO L93 Difference]: Finished difference Result 125 states and 153 transitions. [2024-10-24 20:22:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:22:37,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 39 [2024-10-24 20:22:37,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:37,957 INFO L225 Difference]: With dead ends: 125 [2024-10-24 20:22:37,957 INFO L226 Difference]: Without dead ends: 121 [2024-10-24 20:22:37,958 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 [2024-10-24 20:22:37,958 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 37 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:37,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 102 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:22:37,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-24 20:22:37,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 108. [2024-10-24 20:22:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.536231884057971) internal successors, (106), 90 states have internal predecessors, (106), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 20:22:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 136 transitions. [2024-10-24 20:22:37,970 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 136 transitions. Word has length 39 [2024-10-24 20:22:37,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:37,971 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 136 transitions. [2024-10-24 20:22:37,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-24 20:22:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2024-10-24 20:22:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:22:37,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:37,972 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:37,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:22:38,172 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,SelfDestructingSolverStorable3 [2024-10-24 20:22:38,172 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:38,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:38,173 INFO L85 PathProgramCache]: Analyzing trace with hash 473676697, now seen corresponding path program 1 times [2024-10-24 20:22:38,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:38,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077114699] [2024-10-24 20:22:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:38,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:22:38,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:38,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077114699] [2024-10-24 20:22:38,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077114699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:38,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:38,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:38,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813605982] [2024-10-24 20:22:38,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:38,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:22:38,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:38,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:22:38,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:38,267 INFO L87 Difference]: Start difference. First operand 108 states and 136 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-24 20:22:38,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:38,310 INFO L93 Difference]: Finished difference Result 115 states and 141 transitions. [2024-10-24 20:22:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:22:38,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 39 [2024-10-24 20:22:38,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:38,311 INFO L225 Difference]: With dead ends: 115 [2024-10-24 20:22:38,311 INFO L226 Difference]: Without dead ends: 114 [2024-10-24 20:22:38,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:38,312 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:38,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 123 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:22:38,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-24 20:22:38,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2024-10-24 20:22:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.5217391304347827) internal successors, (105), 90 states have internal predecessors, (105), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 20:22:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2024-10-24 20:22:38,321 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 135 transitions. Word has length 39 [2024-10-24 20:22:38,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:38,321 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 135 transitions. [2024-10-24 20:22:38,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-24 20:22:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2024-10-24 20:22:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 20:22:38,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:38,322 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 20:22:38,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:22:38,322 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:38,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:38,323 INFO L85 PathProgramCache]: Analyzing trace with hash -64549223, now seen corresponding path program 1 times [2024-10-24 20:22:38,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:38,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213763250] [2024-10-24 20:22:38,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:38,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:22:38,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:38,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213763250] [2024-10-24 20:22:38,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213763250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:38,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:38,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:22:38,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638809663] [2024-10-24 20:22:38,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:38,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:22:38,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:38,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:22:38,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:22:38,458 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-24 20:22:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:38,648 INFO L93 Difference]: Finished difference Result 123 states and 149 transitions. [2024-10-24 20:22:38,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:22:38,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 41 [2024-10-24 20:22:38,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:38,651 INFO L225 Difference]: With dead ends: 123 [2024-10-24 20:22:38,652 INFO L226 Difference]: Without dead ends: 122 [2024-10-24 20:22:38,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:22:38,653 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 85 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:38,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 104 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-24 20:22:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2024-10-24 20:22:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 94 states have internal predecessors, (109), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 20:22:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 139 transitions. [2024-10-24 20:22:38,674 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 139 transitions. Word has length 41 [2024-10-24 20:22:38,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:38,674 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 139 transitions. [2024-10-24 20:22:38,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-24 20:22:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 139 transitions. [2024-10-24 20:22:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-24 20:22:38,677 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:38,677 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 20:22:38,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:22:38,677 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:38,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2001025828, now seen corresponding path program 1 times [2024-10-24 20:22:38,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:38,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974074812] [2024-10-24 20:22:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:38,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777764439] [2024-10-24 20:22:38,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:38,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:38,700 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) [2024-10-24 20:22:38,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:22:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:38,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:22:38,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:22:38,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:22:38,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:38,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974074812] [2024-10-24 20:22:38,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:38,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777764439] [2024-10-24 20:22:38,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777764439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:38,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:38,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:38,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992246672] [2024-10-24 20:22:38,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:38,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:22:38,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:38,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:22:38,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:38,833 INFO L87 Difference]: Start difference. First operand 112 states and 139 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-24 20:22:38,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:38,922 INFO L93 Difference]: Finished difference Result 123 states and 146 transitions. [2024-10-24 20:22:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:22:38,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 42 [2024-10-24 20:22:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:38,925 INFO L225 Difference]: With dead ends: 123 [2024-10-24 20:22:38,926 INFO L226 Difference]: Without dead ends: 120 [2024-10-24 20:22:38,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:38,927 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 30 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:38,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 95 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-24 20:22:38,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 113. [2024-10-24 20:22:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 95 states have internal predecessors, (108), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 20:22:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions. [2024-10-24 20:22:38,944 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 42 [2024-10-24 20:22:38,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:38,945 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 138 transitions. [2024-10-24 20:22:38,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-24 20:22:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-10-24 20:22:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 20:22:38,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:38,946 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:38,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:22:39,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:39,154 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:39,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:39,154 INFO L85 PathProgramCache]: Analyzing trace with hash -573724229, now seen corresponding path program 1 times [2024-10-24 20:22:39,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:39,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841364721] [2024-10-24 20:22:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:39,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:39,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798295376] [2024-10-24 20:22:39,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:39,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:39,173 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) [2024-10-24 20:22:39,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:22:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:39,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:22:39,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-24 20:22:39,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:39,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841364721] [2024-10-24 20:22:39,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798295376] [2024-10-24 20:22:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798295376] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:39,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:22:39,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82786783] [2024-10-24 20:22:39,556 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:39,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:22:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:22:39,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:22:39,560 INFO L87 Difference]: Start difference. First operand 113 states and 138 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:22:39,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:39,879 INFO L93 Difference]: Finished difference Result 129 states and 159 transitions. [2024-10-24 20:22:39,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:22:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 53 [2024-10-24 20:22:39,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:39,881 INFO L225 Difference]: With dead ends: 129 [2024-10-24 20:22:39,882 INFO L226 Difference]: Without dead ends: 121 [2024-10-24 20:22:39,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:22:39,883 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 134 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:39,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 200 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:22:39,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-24 20:22:39,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-10-24 20:22:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.353658536585366) internal successors, (111), 99 states have internal predecessors, (111), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:22:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 145 transitions. [2024-10-24 20:22:39,900 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 145 transitions. Word has length 53 [2024-10-24 20:22:39,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:39,901 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 145 transitions. [2024-10-24 20:22:39,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:22:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2024-10-24 20:22:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:22:39,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:39,904 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:39,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 20:22:40,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:40,105 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:40,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:40,106 INFO L85 PathProgramCache]: Analyzing trace with hash -605581863, now seen corresponding path program 1 times [2024-10-24 20:22:40,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:40,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589190640] [2024-10-24 20:22:40,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:40,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194264739] [2024-10-24 20:22:40,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:40,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:40,125 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) [2024-10-24 20:22:40,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:22:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:40,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:22:40,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-24 20:22:40,326 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:40,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:40,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589190640] [2024-10-24 20:22:40,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:40,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194264739] [2024-10-24 20:22:40,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194264739] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:40,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:40,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:22:40,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520148481] [2024-10-24 20:22:40,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:40,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:22:40,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:40,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:22:40,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:22:40,475 INFO L87 Difference]: Start difference. First operand 119 states and 145 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:22:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:40,789 INFO L93 Difference]: Finished difference Result 191 states and 244 transitions. [2024-10-24 20:22:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:22:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 54 [2024-10-24 20:22:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:40,791 INFO L225 Difference]: With dead ends: 191 [2024-10-24 20:22:40,791 INFO L226 Difference]: Without dead ends: 187 [2024-10-24 20:22:40,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:22:40,793 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 163 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:40,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 278 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:22:40,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-24 20:22:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 178. [2024-10-24 20:22:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 132 states have (on average 1.356060606060606) internal successors, (179), 149 states have internal predecessors, (179), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-24 20:22:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 231 transitions. [2024-10-24 20:22:40,814 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 231 transitions. Word has length 54 [2024-10-24 20:22:40,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:40,814 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 231 transitions. [2024-10-24 20:22:40,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:22:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2024-10-24 20:22:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 20:22:40,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:40,816 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-24 20:22:40,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:22:41,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:41,020 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:41,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:41,020 INFO L85 PathProgramCache]: Analyzing trace with hash -415985539, now seen corresponding path program 1 times [2024-10-24 20:22:41,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:41,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778922001] [2024-10-24 20:22:41,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:41,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 20:22:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-24 20:22:41,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:41,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778922001] [2024-10-24 20:22:41,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778922001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:41,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:41,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:22:41,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668655599] [2024-10-24 20:22:41,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:41,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:22:41,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:41,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:22:41,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:22:41,121 INFO L87 Difference]: Start difference. First operand 178 states and 231 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2024-10-24 20:22:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:41,439 INFO L93 Difference]: Finished difference Result 187 states and 240 transitions. [2024-10-24 20:22:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:22:41,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 58 [2024-10-24 20:22:41,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:41,443 INFO L225 Difference]: With dead ends: 187 [2024-10-24 20:22:41,443 INFO L226 Difference]: Without dead ends: 172 [2024-10-24 20:22:41,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:22:41,445 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 39 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:41,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 135 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:22:41,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-24 20:22:41,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 145. [2024-10-24 20:22:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 122 states have internal predecessors, (148), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:22:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2024-10-24 20:22:41,463 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 188 transitions. Word has length 58 [2024-10-24 20:22:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:41,463 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 188 transitions. [2024-10-24 20:22:41,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2024-10-24 20:22:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2024-10-24 20:22:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 20:22:41,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:41,464 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:41,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 20:22:41,465 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:41,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:41,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1887727782, now seen corresponding path program 1 times [2024-10-24 20:22:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:41,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305182116] [2024-10-24 20:22:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:22:41,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:41,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305182116] [2024-10-24 20:22:41,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305182116] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:41,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058405047] [2024-10-24 20:22:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:41,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:41,552 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) [2024-10-24 20:22:41,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:22:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:41,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:22:41,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:22:41,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:22:41,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058405047] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:22:41,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:22:41,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-24 20:22:41,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968556828] [2024-10-24 20:22:41,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:41,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:22:41,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:41,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:22:41,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:22:41,672 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-24 20:22:41,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:41,793 INFO L93 Difference]: Finished difference Result 255 states and 327 transitions. [2024-10-24 20:22:41,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:22:41,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 62 [2024-10-24 20:22:41,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:41,795 INFO L225 Difference]: With dead ends: 255 [2024-10-24 20:22:41,795 INFO L226 Difference]: Without dead ends: 253 [2024-10-24 20:22:41,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:22:41,796 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 152 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:41,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 190 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:41,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-24 20:22:41,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 203. [2024-10-24 20:22:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 153 states have (on average 1.4052287581699345) internal successors, (215), 170 states have internal predecessors, (215), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 20:22:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 275 transitions. [2024-10-24 20:22:41,815 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 275 transitions. Word has length 62 [2024-10-24 20:22:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:41,815 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 275 transitions. [2024-10-24 20:22:41,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-24 20:22:41,816 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2024-10-24 20:22:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 20:22:41,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:41,816 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:41,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:22:42,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:42,018 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:42,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash -341860360, now seen corresponding path program 2 times [2024-10-24 20:22:42,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:42,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089639704] [2024-10-24 20:22:42,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:42,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:42,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589525869] [2024-10-24 20:22:42,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:22:42,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:42,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:42,035 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) [2024-10-24 20:22:42,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:22:42,076 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:22:42,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:22:42,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:22:42,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-24 20:22:42,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:42,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:42,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089639704] [2024-10-24 20:22:42,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:42,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589525869] [2024-10-24 20:22:42,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589525869] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:42,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:42,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:22:42,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812361386] [2024-10-24 20:22:42,393 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:42,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:22:42,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:22:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:22:42,394 INFO L87 Difference]: Start difference. First operand 203 states and 275 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:22:42,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:42,855 INFO L93 Difference]: Finished difference Result 273 states and 366 transitions. [2024-10-24 20:22:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 20:22:42,855 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 77 [2024-10-24 20:22:42,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:42,857 INFO L225 Difference]: With dead ends: 273 [2024-10-24 20:22:42,857 INFO L226 Difference]: Without dead ends: 269 [2024-10-24 20:22:42,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:22:42,858 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 143 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:42,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 411 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:22:42,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-24 20:22:42,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 203. [2024-10-24 20:22:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 153 states have (on average 1.392156862745098) internal successors, (213), 170 states have internal predecessors, (213), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 20:22:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 273 transitions. [2024-10-24 20:22:42,885 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 273 transitions. Word has length 77 [2024-10-24 20:22:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:42,886 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 273 transitions. [2024-10-24 20:22:42,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:22:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 273 transitions. [2024-10-24 20:22:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 20:22:42,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:42,887 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:42,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:22:43,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:43,088 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:43,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:43,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1771595447, now seen corresponding path program 1 times [2024-10-24 20:22:43,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:43,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63092200] [2024-10-24 20:22:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:43,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:22:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-10-24 20:22:43,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:43,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63092200] [2024-10-24 20:22:43,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63092200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:43,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:43,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:22:43,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287185759] [2024-10-24 20:22:43,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:43,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:22:43,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:43,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:22:43,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:43,148 INFO L87 Difference]: Start difference. First operand 203 states and 273 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:22:43,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:43,227 INFO L93 Difference]: Finished difference Result 203 states and 273 transitions. [2024-10-24 20:22:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:22:43,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 84 [2024-10-24 20:22:43,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:43,229 INFO L225 Difference]: With dead ends: 203 [2024-10-24 20:22:43,229 INFO L226 Difference]: Without dead ends: 202 [2024-10-24 20:22:43,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:22:43,230 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:43,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 113 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:43,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-24 20:22:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2024-10-24 20:22:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 169 states have internal predecessors, (210), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 20:22:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 270 transitions. [2024-10-24 20:22:43,249 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 270 transitions. Word has length 84 [2024-10-24 20:22:43,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:43,249 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 270 transitions. [2024-10-24 20:22:43,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:22:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 270 transitions. [2024-10-24 20:22:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 20:22:43,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:43,250 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:43,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 20:22:43,251 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:43,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:43,251 INFO L85 PathProgramCache]: Analyzing trace with hash 915116102, now seen corresponding path program 1 times [2024-10-24 20:22:43,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:43,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955662496] [2024-10-24 20:22:43,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:43,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:22:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-10-24 20:22:43,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955662496] [2024-10-24 20:22:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955662496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:43,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:43,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:22:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331438033] [2024-10-24 20:22:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:43,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:22:43,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:43,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:22:43,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:22:43,401 INFO L87 Difference]: Start difference. First operand 202 states and 270 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:22:43,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:43,706 INFO L93 Difference]: Finished difference Result 363 states and 505 transitions. [2024-10-24 20:22:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:22:43,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 85 [2024-10-24 20:22:43,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:43,708 INFO L225 Difference]: With dead ends: 363 [2024-10-24 20:22:43,708 INFO L226 Difference]: Without dead ends: 362 [2024-10-24 20:22:43,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:22:43,709 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 94 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:43,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 258 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:22:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-24 20:22:43,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 304. [2024-10-24 20:22:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 243 states have (on average 1.4362139917695473) internal successors, (349), 259 states have internal predecessors, (349), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 20:22:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 433 transitions. [2024-10-24 20:22:43,730 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 433 transitions. Word has length 85 [2024-10-24 20:22:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:43,730 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 433 transitions. [2024-10-24 20:22:43,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:22:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 433 transitions. [2024-10-24 20:22:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-24 20:22:43,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:43,731 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:43,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 20:22:43,732 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:43,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1696171797, now seen corresponding path program 1 times [2024-10-24 20:22:43,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:43,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163244311] [2024-10-24 20:22:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:43,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:22:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-24 20:22:43,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163244311] [2024-10-24 20:22:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163244311] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123903614] [2024-10-24 20:22:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:43,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:43,876 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) [2024-10-24 20:22:43,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:22:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:43,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:22:43,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-10-24 20:22:44,053 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:22:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123903614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:44,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:44,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-24 20:22:44,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432412729] [2024-10-24 20:22:44,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:44,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:22:44,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:44,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:22:44,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:22:44,055 INFO L87 Difference]: Start difference. First operand 304 states and 433 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-10-24 20:22:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:44,224 INFO L93 Difference]: Finished difference Result 363 states and 504 transitions. [2024-10-24 20:22:44,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:22:44,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 86 [2024-10-24 20:22:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:44,226 INFO L225 Difference]: With dead ends: 363 [2024-10-24 20:22:44,226 INFO L226 Difference]: Without dead ends: 362 [2024-10-24 20:22:44,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:22:44,226 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 46 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:44,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 134 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-24 20:22:44,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2024-10-24 20:22:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 252 states have (on average 1.4206349206349207) internal successors, (358), 268 states have internal predecessors, (358), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 20:22:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 442 transitions. [2024-10-24 20:22:44,252 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 442 transitions. Word has length 86 [2024-10-24 20:22:44,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:44,253 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 442 transitions. [2024-10-24 20:22:44,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-10-24 20:22:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 442 transitions. [2024-10-24 20:22:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 20:22:44,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:44,254 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:44,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 20:22:44,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 20:22:44,455 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:44,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:44,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1041718040, now seen corresponding path program 1 times [2024-10-24 20:22:44,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:44,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215443442] [2024-10-24 20:22:44,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:44,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:22:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-24 20:22:44,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215443442] [2024-10-24 20:22:44,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215443442] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158285412] [2024-10-24 20:22:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:44,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:44,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:44,609 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) [2024-10-24 20:22:44,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:22:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:44,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:22:44,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-10-24 20:22:44,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:22:44,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158285412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:44,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:44,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-24 20:22:44,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146195632] [2024-10-24 20:22:44,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:44,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:22:44,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:44,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:22:44,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:22:44,772 INFO L87 Difference]: Start difference. First operand 313 states and 442 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (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) [2024-10-24 20:22:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:44,943 INFO L93 Difference]: Finished difference Result 320 states and 448 transitions. [2024-10-24 20:22:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:22:44,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (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 87 [2024-10-24 20:22:44,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:44,945 INFO L225 Difference]: With dead ends: 320 [2024-10-24 20:22:44,946 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 20:22:44,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:22:44,946 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:44,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 91 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:44,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 20:22:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2024-10-24 20:22:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 255 states have (on average 1.407843137254902) internal successors, (359), 271 states have internal predecessors, (359), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 20:22:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 443 transitions. [2024-10-24 20:22:44,974 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 443 transitions. Word has length 87 [2024-10-24 20:22:44,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:44,974 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 443 transitions. [2024-10-24 20:22:44,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (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) [2024-10-24 20:22:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 443 transitions. [2024-10-24 20:22:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 20:22:44,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:44,976 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:44,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 20:22:45,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:22:45,177 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:45,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash -363654006, now seen corresponding path program 1 times [2024-10-24 20:22:45,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:45,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819717775] [2024-10-24 20:22:45,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:45,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:45,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322578341] [2024-10-24 20:22:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:45,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:45,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:45,200 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) [2024-10-24 20:22:45,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:22:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:45,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 20:22:45,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-24 20:22:45,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:46,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:46,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819717775] [2024-10-24 20:22:46,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:46,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322578341] [2024-10-24 20:22:46,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322578341] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:46,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:46,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:22:46,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874270011] [2024-10-24 20:22:46,053 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:46,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:22:46,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:46,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:22:46,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:22:46,054 INFO L87 Difference]: Start difference. First operand 316 states and 443 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:22:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:46,479 INFO L93 Difference]: Finished difference Result 393 states and 546 transitions. [2024-10-24 20:22:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:22:46,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 89 [2024-10-24 20:22:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:46,482 INFO L225 Difference]: With dead ends: 393 [2024-10-24 20:22:46,482 INFO L226 Difference]: Without dead ends: 392 [2024-10-24 20:22:46,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:22:46,483 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 109 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:46,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 279 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:22:46,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-24 20:22:46,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 365. [2024-10-24 20:22:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 298 states have (on average 1.3825503355704698) internal successors, (412), 314 states have internal predecessors, (412), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 20:22:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 508 transitions. [2024-10-24 20:22:46,508 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 508 transitions. Word has length 89 [2024-10-24 20:22:46,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:46,509 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 508 transitions. [2024-10-24 20:22:46,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:22:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 508 transitions. [2024-10-24 20:22:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 20:22:46,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:46,510 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:46,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 20:22:46,710 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,SelfDestructingSolverStorable16 [2024-10-24 20:22:46,710 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:46,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1611627783, now seen corresponding path program 1 times [2024-10-24 20:22:46,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:46,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034082984] [2024-10-24 20:22:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:46,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780810585] [2024-10-24 20:22:46,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:46,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:46,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:46,732 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) [2024-10-24 20:22:46,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:22:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:46,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 20:22:46,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-24 20:22:47,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:47,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:47,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034082984] [2024-10-24 20:22:47,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:47,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780810585] [2024-10-24 20:22:47,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780810585] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:47,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:47,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:22:47,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050855924] [2024-10-24 20:22:47,485 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:47,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:22:47,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:47,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:22:47,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:22:47,486 INFO L87 Difference]: Start difference. First operand 365 states and 508 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:22:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:47,865 INFO L93 Difference]: Finished difference Result 428 states and 595 transitions. [2024-10-24 20:22:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:22:47,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 90 [2024-10-24 20:22:47,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:47,867 INFO L225 Difference]: With dead ends: 428 [2024-10-24 20:22:47,867 INFO L226 Difference]: Without dead ends: 427 [2024-10-24 20:22:47,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:22:47,869 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 105 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:47,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 226 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:22:47,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-24 20:22:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 414. [2024-10-24 20:22:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 341 states have (on average 1.3577712609970674) internal successors, (463), 357 states have internal predecessors, (463), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 20:22:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 571 transitions. [2024-10-24 20:22:47,897 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 571 transitions. Word has length 90 [2024-10-24 20:22:47,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:47,898 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 571 transitions. [2024-10-24 20:22:47,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:22:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 571 transitions. [2024-10-24 20:22:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-24 20:22:47,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:47,898 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:47,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:22:48,099 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,SelfDestructingSolverStorable17 [2024-10-24 20:22:48,099 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:48,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:48,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1579146196, now seen corresponding path program 1 times [2024-10-24 20:22:48,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:48,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647711867] [2024-10-24 20:22:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:22:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-10-24 20:22:48,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:48,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647711867] [2024-10-24 20:22:48,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647711867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:22:48,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:22:48,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:22:48,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005224957] [2024-10-24 20:22:48,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:22:48,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:22:48,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:48,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:22:48,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:22:48,174 INFO L87 Difference]: Start difference. First operand 414 states and 571 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:22:48,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:48,297 INFO L93 Difference]: Finished difference Result 414 states and 571 transitions. [2024-10-24 20:22:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:22:48,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 91 [2024-10-24 20:22:48,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:48,299 INFO L225 Difference]: With dead ends: 414 [2024-10-24 20:22:48,299 INFO L226 Difference]: Without dead ends: 413 [2024-10-24 20:22:48,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:22:48,300 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 71 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:48,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 111 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:22:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-24 20:22:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 401. [2024-10-24 20:22:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 329 states have (on average 1.3282674772036474) internal successors, (437), 344 states have internal predecessors, (437), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 20:22:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 545 transitions. [2024-10-24 20:22:48,327 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 545 transitions. Word has length 91 [2024-10-24 20:22:48,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:48,327 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 545 transitions. [2024-10-24 20:22:48,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:22:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 545 transitions. [2024-10-24 20:22:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 20:22:48,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:48,329 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:48,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 20:22:48,329 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:48,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:48,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1708891735, now seen corresponding path program 1 times [2024-10-24 20:22:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:48,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133192002] [2024-10-24 20:22:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:48,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:22:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-24 20:22:48,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:48,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133192002] [2024-10-24 20:22:48,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133192002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:48,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976538171] [2024-10-24 20:22:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:48,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:48,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:48,590 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) [2024-10-24 20:22:48,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:22:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:48,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 20:22:48,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-24 20:22:49,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:50,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976538171] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:50,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:22:50,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2024-10-24 20:22:50,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885743632] [2024-10-24 20:22:50,403 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:50,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:22:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:50,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:22:50,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-10-24 20:22:50,405 INFO L87 Difference]: Start difference. First operand 401 states and 545 transitions. Second operand has 18 states, 17 states have (on average 4.764705882352941) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-10-24 20:22:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:55,851 INFO L93 Difference]: Finished difference Result 790 states and 1075 transitions. [2024-10-24 20:22:55,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-24 20:22:55,851 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.764705882352941) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) Word has length 92 [2024-10-24 20:22:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:55,854 INFO L225 Difference]: With dead ends: 790 [2024-10-24 20:22:55,854 INFO L226 Difference]: Without dead ends: 669 [2024-10-24 20:22:55,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 118 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=425, Invalid=1737, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 20:22:55,855 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 632 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:55,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 581 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 20:22:55,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-10-24 20:22:55,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 528. [2024-10-24 20:22:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 444 states have (on average 1.3310810810810811) internal successors, (591), 459 states have internal predecessors, (591), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-24 20:22:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 723 transitions. [2024-10-24 20:22:55,893 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 723 transitions. Word has length 92 [2024-10-24 20:22:55,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:55,893 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 723 transitions. [2024-10-24 20:22:55,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.764705882352941) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-10-24 20:22:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 723 transitions. [2024-10-24 20:22:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 20:22:55,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:55,894 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:55,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 20:22:56,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:56,095 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:56,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1294179065, now seen corresponding path program 3 times [2024-10-24 20:22:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38390500] [2024-10-24 20:22:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:22:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:22:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:22:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:22:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:22:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:22:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:22:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:22:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:22:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:22:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 20:22:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 20:22:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 20:22:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 20:22:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-10-24 20:22:56,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:56,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38390500] [2024-10-24 20:22:56,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38390500] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:56,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097152816] [2024-10-24 20:22:56,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:22:56,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:56,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:56,361 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) [2024-10-24 20:22:56,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:22:56,399 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 20:22:56,399 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:22:56,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 20:22:56,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-24 20:22:57,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:57,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097152816] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:57,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:22:57,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2024-10-24 20:22:57,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344470190] [2024-10-24 20:22:57,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:57,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 20:22:57,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:57,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 20:22:57,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=362, Unknown=3, NotChecked=0, Total=420 [2024-10-24 20:22:57,670 INFO L87 Difference]: Start difference. First operand 528 states and 723 transitions. Second operand has 17 states, 16 states have (on average 3.6875) internal successors, (59), 13 states have internal predecessors, (59), 10 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (22), 11 states have call predecessors, (22), 10 states have call successors, (22) [2024-10-24 20:22:58,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:22:58,926 INFO L93 Difference]: Finished difference Result 548 states and 735 transitions. [2024-10-24 20:22:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 20:22:58,927 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.6875) internal successors, (59), 13 states have internal predecessors, (59), 10 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (22), 11 states have call predecessors, (22), 10 states have call successors, (22) Word has length 100 [2024-10-24 20:22:58,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:22:58,928 INFO L225 Difference]: With dead ends: 548 [2024-10-24 20:22:58,928 INFO L226 Difference]: Without dead ends: 240 [2024-10-24 20:22:58,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=322, Invalid=1007, Unknown=3, NotChecked=0, Total=1332 [2024-10-24 20:22:58,930 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 304 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:22:58,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 450 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 938 Invalid, 1 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:22:58,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-24 20:22:58,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2024-10-24 20:22:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 194 states have (on average 1.2216494845360826) internal successors, (237), 203 states have internal predecessors, (237), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 20:22:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 301 transitions. [2024-10-24 20:22:58,954 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 301 transitions. Word has length 100 [2024-10-24 20:22:58,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:22:58,955 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 301 transitions. [2024-10-24 20:22:58,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.6875) internal successors, (59), 13 states have internal predecessors, (59), 10 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (22), 11 states have call predecessors, (22), 10 states have call successors, (22) [2024-10-24 20:22:58,955 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 301 transitions. [2024-10-24 20:22:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 20:22:58,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:22:58,956 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:22:58,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 20:22:59,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-24 20:22:59,160 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:22:59,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:22:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2086556248, now seen corresponding path program 1 times [2024-10-24 20:22:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:22:59,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718326028] [2024-10-24 20:22:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:22:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:22:59,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677276069] [2024-10-24 20:22:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:22:59,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:22:59,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:22:59,188 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) [2024-10-24 20:22:59,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:22:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:22:59,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:22:59,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:22:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-24 20:22:59,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:22:59,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:22:59,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718326028] [2024-10-24 20:22:59,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:22:59,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677276069] [2024-10-24 20:22:59,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677276069] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:22:59,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:22:59,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:22:59,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957120426] [2024-10-24 20:22:59,917 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:22:59,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:22:59,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:22:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:22:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:22:59,918 INFO L87 Difference]: Start difference. First operand 238 states and 301 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:23:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:00,198 INFO L93 Difference]: Finished difference Result 241 states and 303 transitions. [2024-10-24 20:23:00,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:23:00,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 106 [2024-10-24 20:23:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:00,200 INFO L225 Difference]: With dead ends: 241 [2024-10-24 20:23:00,200 INFO L226 Difference]: Without dead ends: 240 [2024-10-24 20:23:00,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:23:00,200 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 26 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:00,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 263 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:23:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-24 20:23:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2024-10-24 20:23:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 194 states have (on average 1.2164948453608246) internal successors, (236), 203 states have internal predecessors, (236), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 20:23:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 300 transitions. [2024-10-24 20:23:00,225 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 300 transitions. Word has length 106 [2024-10-24 20:23:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:00,226 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 300 transitions. [2024-10-24 20:23:00,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:23:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 300 transitions. [2024-10-24 20:23:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-24 20:23:00,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:00,227 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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] [2024-10-24 20:23:00,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:23:00,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:00,428 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:00,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash 569176906, now seen corresponding path program 1 times [2024-10-24 20:23:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471093021] [2024-10-24 20:23:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:00,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:23:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:23:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:23:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:23:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:23:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:23:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:23:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:23:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:23:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:23:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:23:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 20:23:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 20:23:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-10-24 20:23:00,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:00,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471093021] [2024-10-24 20:23:00,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471093021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:23:00,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:23:00,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:23:00,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852794483] [2024-10-24 20:23:00,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:23:00,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:23:00,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:00,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:23:00,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:23:00,542 INFO L87 Difference]: Start difference. First operand 238 states and 300 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:23:00,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:00,873 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2024-10-24 20:23:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:23:00,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 108 [2024-10-24 20:23:00,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:00,875 INFO L225 Difference]: With dead ends: 238 [2024-10-24 20:23:00,875 INFO L226 Difference]: Without dead ends: 234 [2024-10-24 20:23:00,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:23:00,876 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 40 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:00,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 134 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:23:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-24 20:23:00,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-10-24 20:23:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 191 states have (on average 1.2094240837696335) internal successors, (231), 199 states have internal predecessors, (231), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 20:23:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 295 transitions. [2024-10-24 20:23:00,903 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 295 transitions. Word has length 108 [2024-10-24 20:23:00,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:00,904 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 295 transitions. [2024-10-24 20:23:00,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:23:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 295 transitions. [2024-10-24 20:23:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 20:23:00,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:00,905 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:00,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 20:23:00,905 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:00,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash -2059823605, now seen corresponding path program 2 times [2024-10-24 20:23:00,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:00,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772419255] [2024-10-24 20:23:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:00,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:23:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682602515] [2024-10-24 20:23:00,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:23:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:00,926 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) [2024-10-24 20:23:00,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:23:00,977 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:23:00,977 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:23:00,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:23:00,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-24 20:23:01,118 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:05,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772419255] [2024-10-24 20:23:05,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:23:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682602515] [2024-10-24 20:23:05,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682602515] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:05,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:23:05,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-24 20:23:05,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331712828] [2024-10-24 20:23:05,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:05,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:23:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:05,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:23:05,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2024-10-24 20:23:05,743 INFO L87 Difference]: Start difference. First operand 234 states and 295 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 20:23:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:05,961 INFO L93 Difference]: Finished difference Result 324 states and 418 transitions. [2024-10-24 20:23:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:23:05,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 112 [2024-10-24 20:23:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:05,963 INFO L225 Difference]: With dead ends: 324 [2024-10-24 20:23:05,963 INFO L226 Difference]: Without dead ends: 315 [2024-10-24 20:23:05,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=79, Unknown=1, NotChecked=0, Total=132 [2024-10-24 20:23:05,964 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 55 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:05,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 223 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:23:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-24 20:23:05,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 242. [2024-10-24 20:23:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 199 states have (on average 1.1557788944723617) internal successors, (230), 205 states have internal predecessors, (230), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:23:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 298 transitions. [2024-10-24 20:23:05,991 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 298 transitions. Word has length 112 [2024-10-24 20:23:05,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:05,991 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 298 transitions. [2024-10-24 20:23:05,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 20:23:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2024-10-24 20:23:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 20:23:05,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:05,992 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:06,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:23:06,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:06,193 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:06,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:06,193 INFO L85 PathProgramCache]: Analyzing trace with hash 569977766, now seen corresponding path program 2 times [2024-10-24 20:23:06,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:06,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865434630] [2024-10-24 20:23:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:06,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:23:06,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437185381] [2024-10-24 20:23:06,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:23:06,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:06,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:06,214 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) [2024-10-24 20:23:06,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:23:06,266 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:23:06,267 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:23:06,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:23:06,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-10-24 20:23:06,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:06,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:06,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865434630] [2024-10-24 20:23:06,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:23:06,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437185381] [2024-10-24 20:23:06,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437185381] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:06,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:23:06,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-24 20:23:06,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121938008] [2024-10-24 20:23:06,897 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:06,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:23:06,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:06,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:23:06,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:23:06,899 INFO L87 Difference]: Start difference. First operand 242 states and 298 transitions. Second operand has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 20:23:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:07,324 INFO L93 Difference]: Finished difference Result 310 states and 387 transitions. [2024-10-24 20:23:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:23:07,324 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 113 [2024-10-24 20:23:07,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:07,326 INFO L225 Difference]: With dead ends: 310 [2024-10-24 20:23:07,326 INFO L226 Difference]: Without dead ends: 309 [2024-10-24 20:23:07,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:23:07,326 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 112 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:07,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 294 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:23:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-10-24 20:23:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 292. [2024-10-24 20:23:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 243 states have (on average 1.1563786008230452) internal successors, (281), 249 states have internal predecessors, (281), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-24 20:23:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 361 transitions. [2024-10-24 20:23:07,357 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 361 transitions. Word has length 113 [2024-10-24 20:23:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:07,357 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 361 transitions. [2024-10-24 20:23:07,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 20:23:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 361 transitions. [2024-10-24 20:23:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 20:23:07,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:07,358 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:07,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-24 20:23:07,562 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,SelfDestructingSolverStorable24 [2024-10-24 20:23:07,563 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:07,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:07,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1414413674, now seen corresponding path program 1 times [2024-10-24 20:23:07,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:07,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567038268] [2024-10-24 20:23:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:23:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:23:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:23:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:23:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:23:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:23:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:23:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:23:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:23:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:23:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:23:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 20:23:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 20:23:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-24 20:23:07,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:07,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567038268] [2024-10-24 20:23:07,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567038268] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:07,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549591291] [2024-10-24 20:23:07,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:07,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:07,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:07,777 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) [2024-10-24 20:23:07,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:23:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:07,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:23:07,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-24 20:23:08,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-24 20:23:09,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549591291] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:23:09,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:23:09,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-10-24 20:23:09,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942348548] [2024-10-24 20:23:09,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:09,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:23:09,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:09,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:23:09,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:23:09,116 INFO L87 Difference]: Start difference. First operand 292 states and 361 transitions. Second operand has 18 states, 17 states have (on average 8.764705882352942) internal successors, (149), 18 states have internal predecessors, (149), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2024-10-24 20:23:09,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:09,674 INFO L93 Difference]: Finished difference Result 500 states and 623 transitions. [2024-10-24 20:23:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 20:23:09,675 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.764705882352942) internal successors, (149), 18 states have internal predecessors, (149), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 114 [2024-10-24 20:23:09,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:09,676 INFO L225 Difference]: With dead ends: 500 [2024-10-24 20:23:09,676 INFO L226 Difference]: Without dead ends: 491 [2024-10-24 20:23:09,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=242, Invalid=408, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:23:09,677 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 232 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:09,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 484 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:23:09,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-10-24 20:23:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 377. [2024-10-24 20:23:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 320 states have (on average 1.140625) internal successors, (365), 326 states have internal predecessors, (365), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 20:23:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 461 transitions. [2024-10-24 20:23:09,726 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 461 transitions. Word has length 114 [2024-10-24 20:23:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:09,726 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 461 transitions. [2024-10-24 20:23:09,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.764705882352942) internal successors, (149), 18 states have internal predecessors, (149), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2024-10-24 20:23:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 461 transitions. [2024-10-24 20:23:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-24 20:23:09,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:09,727 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:09,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-24 20:23:09,928 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,SelfDestructingSolverStorable25 [2024-10-24 20:23:09,929 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:09,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:09,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1910349523, now seen corresponding path program 1 times [2024-10-24 20:23:09,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:09,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589449396] [2024-10-24 20:23:09,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:09,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:23:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:23:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:23:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:23:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:23:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:23:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:23:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:23:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:23:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:23:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 20:23:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 20:23:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 20:23:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 20:23:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 20:23:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 20:23:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2024-10-24 20:23:10,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:10,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589449396] [2024-10-24 20:23:10,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589449396] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:10,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158411587] [2024-10-24 20:23:10,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:10,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:10,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:10,168 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) [2024-10-24 20:23:10,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:23:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:10,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:23:10,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-10-24 20:23:10,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-10-24 20:23:11,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158411587] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:23:11,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:23:11,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-24 20:23:11,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085637288] [2024-10-24 20:23:11,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:11,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-24 20:23:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:11,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-24 20:23:11,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-24 20:23:11,191 INFO L87 Difference]: Start difference. First operand 377 states and 461 transitions. Second operand has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-10-24 20:23:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:12,392 INFO L93 Difference]: Finished difference Result 741 states and 908 transitions. [2024-10-24 20:23:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-24 20:23:12,392 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) Word has length 135 [2024-10-24 20:23:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:12,394 INFO L225 Difference]: With dead ends: 741 [2024-10-24 20:23:12,394 INFO L226 Difference]: Without dead ends: 641 [2024-10-24 20:23:12,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=562, Invalid=1418, Unknown=0, NotChecked=0, Total=1980 [2024-10-24 20:23:12,395 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 635 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:12,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 581 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:23:12,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-10-24 20:23:12,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 543. [2024-10-24 20:23:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 468 states have (on average 1.1474358974358974) internal successors, (537), 474 states have internal predecessors, (537), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-24 20:23:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 669 transitions. [2024-10-24 20:23:12,464 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 669 transitions. Word has length 135 [2024-10-24 20:23:12,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:12,464 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 669 transitions. [2024-10-24 20:23:12,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-10-24 20:23:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 669 transitions. [2024-10-24 20:23:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 20:23:12,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:12,466 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:12,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-24 20:23:12,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-24 20:23:12,667 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:12,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:12,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1014070938, now seen corresponding path program 3 times [2024-10-24 20:23:12,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:12,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116174258] [2024-10-24 20:23:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:12,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:23:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:23:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:23:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:23:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:23:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:23:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:23:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:23:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:23:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:23:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 20:23:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 20:23:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 20:23:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 20:23:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 20:23:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 20:23:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-24 20:23:13,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:13,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116174258] [2024-10-24 20:23:13,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116174258] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:13,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601045886] [2024-10-24 20:23:13,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:23:13,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:13,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:13,249 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) [2024-10-24 20:23:13,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 20:23:13,300 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 20:23:13,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:23:13,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 20:23:13,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-24 20:23:13,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-24 20:23:15,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601045886] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:23:15,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:23:15,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 27 [2024-10-24 20:23:15,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643159234] [2024-10-24 20:23:15,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:15,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-24 20:23:15,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:15,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-24 20:23:15,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-10-24 20:23:15,194 INFO L87 Difference]: Start difference. First operand 543 states and 669 transitions. Second operand has 27 states, 27 states have (on average 6.666666666666667) internal successors, (180), 26 states have internal predecessors, (180), 16 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (44), 15 states have call predecessors, (44), 16 states have call successors, (44) [2024-10-24 20:23:16,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:16,193 INFO L93 Difference]: Finished difference Result 689 states and 854 transitions. [2024-10-24 20:23:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:23:16,193 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.666666666666667) internal successors, (180), 26 states have internal predecessors, (180), 16 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (44), 15 states have call predecessors, (44), 16 states have call successors, (44) Word has length 140 [2024-10-24 20:23:16,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:16,196 INFO L225 Difference]: With dead ends: 689 [2024-10-24 20:23:16,196 INFO L226 Difference]: Without dead ends: 541 [2024-10-24 20:23:16,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=228, Invalid=1104, Unknown=0, NotChecked=0, Total=1332 [2024-10-24 20:23:16,198 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 361 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:16,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 836 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:23:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-10-24 20:23:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 520. [2024-10-24 20:23:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 447 states have (on average 1.1431767337807606) internal successors, (511), 453 states have internal predecessors, (511), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 20:23:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 639 transitions. [2024-10-24 20:23:16,271 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 639 transitions. Word has length 140 [2024-10-24 20:23:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:16,271 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 639 transitions. [2024-10-24 20:23:16,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.666666666666667) internal successors, (180), 26 states have internal predecessors, (180), 16 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (44), 15 states have call predecessors, (44), 16 states have call successors, (44) [2024-10-24 20:23:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 639 transitions. [2024-10-24 20:23:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 20:23:16,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:16,272 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:16,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-24 20:23:16,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:16,473 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:16,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:16,473 INFO L85 PathProgramCache]: Analyzing trace with hash 933216821, now seen corresponding path program 1 times [2024-10-24 20:23:16,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:16,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139477745] [2024-10-24 20:23:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:16,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:23:16,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995684360] [2024-10-24 20:23:16,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:16,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:16,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:16,506 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) [2024-10-24 20:23:16,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 20:23:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:16,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-24 20:23:16,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 60 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-24 20:23:16,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:17,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:17,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139477745] [2024-10-24 20:23:17,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:23:17,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995684360] [2024-10-24 20:23:17,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995684360] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:17,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:23:17,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-10-24 20:23:17,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138155345] [2024-10-24 20:23:17,130 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:17,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 20:23:17,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:17,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 20:23:17,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:23:17,131 INFO L87 Difference]: Start difference. First operand 520 states and 639 transitions. Second operand has 17 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-24 20:23:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:17,608 INFO L93 Difference]: Finished difference Result 530 states and 648 transitions. [2024-10-24 20:23:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 20:23:17,610 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 152 [2024-10-24 20:23:17,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:17,610 INFO L225 Difference]: With dead ends: 530 [2024-10-24 20:23:17,610 INFO L226 Difference]: Without dead ends: 93 [2024-10-24 20:23:17,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2024-10-24 20:23:17,612 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 42 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:17,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 430 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:23:17,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-24 20:23:17,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-10-24 20:23:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 71 states have (on average 1.0140845070422535) internal successors, (72), 72 states have internal predecessors, (72), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 20:23:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2024-10-24 20:23:17,632 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 152 [2024-10-24 20:23:17,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:17,632 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions. [2024-10-24 20:23:17,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-24 20:23:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2024-10-24 20:23:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 20:23:17,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:17,633 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:17,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-24 20:23:17,837 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,SelfDestructingSolverStorable28 [2024-10-24 20:23:17,837 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:17,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1135049496, now seen corresponding path program 1 times [2024-10-24 20:23:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:17,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589587327] [2024-10-24 20:23:17,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:17,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:23:17,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1277569292] [2024-10-24 20:23:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:17,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:17,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:17,868 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) [2024-10-24 20:23:17,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 20:23:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:17,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-24 20:23:17,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 66 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-10-24 20:23:18,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:20,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:20,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589587327] [2024-10-24 20:23:20,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:23:20,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277569292] [2024-10-24 20:23:20,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277569292] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:20,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:23:20,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-10-24 20:23:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181508921] [2024-10-24 20:23:20,617 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:20,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 20:23:20,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:20,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 20:23:20,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=838, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 20:23:20,618 INFO L87 Difference]: Start difference. First operand 93 states and 108 transitions. Second operand has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 21 states have internal predecessors, (75), 8 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-10-24 20:23:21,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:21,447 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2024-10-24 20:23:21,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:23:21,448 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 21 states have internal predecessors, (75), 8 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 153 [2024-10-24 20:23:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:21,449 INFO L225 Difference]: With dead ends: 93 [2024-10-24 20:23:21,449 INFO L226 Difference]: Without dead ends: 92 [2024-10-24 20:23:21,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 20:23:21,450 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 83 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:21,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 508 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:23:21,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-24 20:23:21,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-10-24 20:23:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 71 states have (on average 1.0) internal successors, (71), 71 states have internal predecessors, (71), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 20:23:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 107 transitions. [2024-10-24 20:23:21,466 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 107 transitions. Word has length 153 [2024-10-24 20:23:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 107 transitions. [2024-10-24 20:23:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 21 states have internal predecessors, (75), 8 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-10-24 20:23:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 107 transitions. [2024-10-24 20:23:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-24 20:23:21,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:23:21,467 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:21,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-24 20:23:21,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:21,668 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:23:21,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:23:21,668 INFO L85 PathProgramCache]: Analyzing trace with hash 139131594, now seen corresponding path program 1 times [2024-10-24 20:23:21,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:23:21,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72856040] [2024-10-24 20:23:21,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:21,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:23:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:23:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:23:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:23:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:23:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 20:23:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:23:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:23:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:23:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:23:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 20:23:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 20:23:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 20:23:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 20:23:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 20:23:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 20:23:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 20:23:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 20:23:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 20:23:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-10-24 20:23:21,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:23:21,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72856040] [2024-10-24 20:23:21,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72856040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:21,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843381032] [2024-10-24 20:23:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:23:21,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:21,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:23:21,928 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) [2024-10-24 20:23:21,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-24 20:23:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:23:21,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 20:23:21,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:23:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-10-24 20:23:22,459 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:23:22,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843381032] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:23:22,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:23:22,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 18 [2024-10-24 20:23:22,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873766904] [2024-10-24 20:23:22,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:23:22,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 20:23:22,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:23:22,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 20:23:22,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:23:22,740 INFO L87 Difference]: Start difference. First operand 92 states and 107 transitions. Second operand has 19 states, 18 states have (on average 6.333333333333333) internal successors, (114), 19 states have internal predecessors, (114), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 9 states have call successors, (21) [2024-10-24 20:23:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:23:23,182 INFO L93 Difference]: Finished difference Result 92 states and 107 transitions. [2024-10-24 20:23:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:23:23,182 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 6.333333333333333) internal successors, (114), 19 states have internal predecessors, (114), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 9 states have call successors, (21) Word has length 155 [2024-10-24 20:23:23,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:23:23,183 INFO L225 Difference]: With dead ends: 92 [2024-10-24 20:23:23,183 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 20:23:23,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:23:23,184 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 87 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:23:23,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 481 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:23:23,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 20:23:23,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 20:23:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:23:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 20:23:23,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2024-10-24 20:23:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:23:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 20:23:23,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 6.333333333333333) internal successors, (114), 19 states have internal predecessors, (114), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 9 states have call successors, (21) [2024-10-24 20:23:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 20:23:23,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 20:23:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-10-24 20:23:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-10-24 20:23:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-10-24 20:23:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-10-24 20:23:23,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-10-24 20:23:23,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-10-24 20:23:23,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-10-24 20:23:23,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-24 20:23:23,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:23:23,395 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:23:23,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 20:23:24,831 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 20:23:24,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:23:24 BoogieIcfgContainer [2024-10-24 20:23:24,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:23:24,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:23:24,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:23:24,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:23:24,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:22:36" (3/4) ... [2024-10-24 20:23:24,870 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:23:24,873 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-24 20:23:24,873 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:23:24,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 20:23:24,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 20:23:24,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 20:23:24,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:23:24,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:23:24,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:23:24,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:23:24,968 INFO L158 Benchmark]: Toolchain (without parser) took 48852.58ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 109.0MB in the beginning and 288.1MB in the end (delta: -179.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-10-24 20:23:24,968 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:23:24,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.92ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 95.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 20:23:24,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.61ms. Allocated memory is still 161.5MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:23:24,969 INFO L158 Benchmark]: Boogie Preprocessor took 43.80ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:23:24,969 INFO L158 Benchmark]: RCFGBuilder took 365.73ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 74.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 20:23:24,969 INFO L158 Benchmark]: TraceAbstraction took 48083.17ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 73.5MB in the beginning and 293.4MB in the end (delta: -219.8MB). Peak memory consumption was 151.3MB. Max. memory is 16.1GB. [2024-10-24 20:23:24,969 INFO L158 Benchmark]: Witness Printer took 100.58ms. Allocated memory is still 339.7MB. Free memory was 293.4MB in the beginning and 288.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 20:23:24,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.92ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 95.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.61ms. Allocated memory is still 161.5MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.80ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.73ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 74.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 48083.17ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 73.5MB in the beginning and 293.4MB in the end (delta: -219.8MB). Peak memory consumption was 151.3MB. Max. memory is 16.1GB. * Witness Printer took 100.58ms. Allocated memory is still 339.7MB. Free memory was 293.4MB in the beginning and 288.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 46.6s, OverallIterations: 31, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4016 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3920 mSDsluCounter, 8401 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6525 mSDsCounter, 682 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11292 IncrementalHoareTripleChecker+Invalid, 11975 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 682 mSolverCounterUnsat, 1876 mSDtfsCounter, 11292 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3415 GetRequests, 2970 SyntacticMatches, 6 SemanticMatches, 439 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2388 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=27, InterpolantAutomatonStates: 319, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 31 MinimizatonAttempts, 825 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 23.1s InterpolantComputationTime, 4727 NumberOfCodeBlocks, 4640 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 4024 ConstructedInterpolants, 7 QuantifiedInterpolants, 26794 SizeOfPredicates, 45 NumberOfNonLiveVariables, 3838 ConjunctsInSsa, 278 ConjunctsInUnsatCore, 44 InterpolantComputations, 14 PerfectInterpolantSequences, 7751/8500 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((((p == 1) && (d <= 4294967295)) && (A <= 2)) && (r <= 2)) && (B <= d)) && (0 <= r)) && (q == 0)) || ((((((2 == p) && (B == 1)) && (r == 0)) && (((long long) 2 + A) <= ((long long) B * 4))) && (2 == q)) && (2 == d))) || (((((((d <= ((__int128) 2 * r)) && (A <= 2)) && (2 == p)) && (((long long) 2 * B) == d)) && (r <= 2)) && (q == 0)) && (((__int128) r + 1) <= d))) || ((((((d == 1) && (p == 1)) && (B == 1)) && (r == 0)) && (((long long) 2 + A) <= ((long long) B * 4))) && (2 == q))) || ((((((p == 4) && (A <= 2)) && (B == 1)) && (q == 0)) && (d == 4)) && (2 == r))) || (((((((p == 1) && (d == B)) && (((__int128) r + B) <= 2)) && (A <= 2)) && (0 <= r)) && (q == 1)) && (((__int128) r + 1) <= B))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((p == 1) && (d == B)) && (A <= 2)) && (r <= 2)) && (0 <= r)) && (q == 0)) && (B <= 2)) && (((__int128) 2 + r) <= ((__int128) d * 4))) || (((((((d <= ((__int128) 2 * r)) && (A <= 2)) && (2 == p)) && (((long long) 2 * B) == d)) && (r <= 2)) && (q == 0)) && (((__int128) 2 + r) <= ((__int128) 2 * d)))) || ((((((p == 4) && (A <= 2)) && (B == 1)) && (q == 0)) && (d == 4)) && (2 == r))) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-24 20:23:25,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE