./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 096bafbba8d51323312e8aef69baa45c66c17c65b2ec8717873d6ff292690721 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:09:01,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:09:02,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 18:09:02,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:09:02,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:09:02,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:09:02,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:09:02,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:09:02,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:09:02,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:09:02,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:09:02,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:09:02,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:09:02,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:09:02,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:09:02,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:09:02,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:09:02,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:09:02,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:09:02,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:09:02,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:09:02,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:09:02,074 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:09:02,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:09:02,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:09:02,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:09:02,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:09:02,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:09:02,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:09:02,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:09:02,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:09:02,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:09:02,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:09:02,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:09:02,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:09:02,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:09:02,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:09:02,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:09:02,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:09:02,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:09:02,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:09:02,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096bafbba8d51323312e8aef69baa45c66c17c65b2ec8717873d6ff292690721 [2024-11-20 18:09:02,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:09:02,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:09:02,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:09:02,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:09:02,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:09:02,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c [2024-11-20 18:09:03,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:09:03,978 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:09:03,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c [2024-11-20 18:09:03,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ed8ab73/b725cd5f6c454d5ea1f42a741dffadd5/FLAGfdc01dbe5 [2024-11-20 18:09:04,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ed8ab73/b725cd5f6c454d5ea1f42a741dffadd5 [2024-11-20 18:09:04,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:09:04,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:09:04,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:09:04,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:09:04,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:09:04,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e5bb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04, skipping insertion in model container [2024-11-20 18:09:04,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:09:04,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:09:04,201 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:09:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:09:04,227 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:09:04,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04 WrapperNode [2024-11-20 18:09:04,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:09:04,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:09:04,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:09:04,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:09:04,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,258 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-20 18:09:04,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:09:04,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:09:04,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:09:04,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:09:04,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,270 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,274 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 18:09:04,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:09:04,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:09:04,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:09:04,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:09:04,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (1/1) ... [2024-11-20 18:09:04,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:09:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:04,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 18:09:04,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:09:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:09:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:09:04,444 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:09:04,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:09:04,578 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-20 18:09:04,578 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:09:04,591 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:09:04,592 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-20 18:09:04,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:04 BoogieIcfgContainer [2024-11-20 18:09:04,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:09:04,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:09:04,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:09:04,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:09:04,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:09:04" (1/3) ... [2024-11-20 18:09:04,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658bad84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:09:04, skipping insertion in model container [2024-11-20 18:09:04,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:04" (2/3) ... [2024-11-20 18:09:04,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658bad84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:09:04, skipping insertion in model container [2024-11-20 18:09:04,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:04" (3/3) ... [2024-11-20 18:09:04,602 INFO L112 eAbstractionObserver]: Analyzing ICFG MinusUserDefined.c [2024-11-20 18:09:04,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:09:04,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-20 18:09:04,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:09:04,690 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;@308e8749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:09:04,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-20 18:09:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 20 states have (on average 1.9) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-20 18:09:04,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:04,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-20 18:09:04,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:04,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:04,711 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-20 18:09:04,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:04,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404142199] [2024-11-20 18:09:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:04,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:04,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404142199] [2024-11-20 18:09:04,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404142199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:04,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:04,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:04,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6213003] [2024-11-20 18:09:04,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:04,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:04,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:04,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:04,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:04,934 INFO L87 Difference]: Start difference. First operand has 33 states, 20 states have (on average 1.9) internal successors, (38), 32 states have internal predecessors, (38), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:04,992 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2024-11-20 18:09:04,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:04,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-20 18:09:04,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,000 INFO L225 Difference]: With dead ends: 56 [2024-11-20 18:09:05,000 INFO L226 Difference]: Without dead ends: 29 [2024-11-20 18:09:05,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,006 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-20 18:09:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-11-20 18:09:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2024-11-20 18:09:05,085 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 4 [2024-11-20 18:09:05,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,086 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2024-11-20 18:09:05,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-11-20 18:09:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 18:09:05,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 18:09:05,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:09:05,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,094 INFO L85 PathProgramCache]: Analyzing trace with hash 28698343, now seen corresponding path program 1 times [2024-11-20 18:09:05,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690795431] [2024-11-20 18:09:05,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690795431] [2024-11-20 18:09:05,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690795431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:05,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634072365] [2024-11-20 18:09:05,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,136 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,187 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2024-11-20 18:09:05,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:05,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 18:09:05,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,189 INFO L225 Difference]: With dead ends: 37 [2024-11-20 18:09:05,189 INFO L226 Difference]: Without dead ends: 36 [2024-11-20 18:09:05,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,192 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 16 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 20 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-20 18:09:05,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2024-11-20 18:09:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2024-11-20 18:09:05,203 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 5 [2024-11-20 18:09:05,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,203 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2024-11-20 18:09:05,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-20 18:09:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 18:09:05,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 18:09:05,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:09:05,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,208 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-11-20 18:09:05,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358224218] [2024-11-20 18:09:05,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358224218] [2024-11-20 18:09:05,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358224218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:05,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793002843] [2024-11-20 18:09:05,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:05,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:05,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,260 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,293 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2024-11-20 18:09:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:05,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 18:09:05,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,296 INFO L225 Difference]: With dead ends: 34 [2024-11-20 18:09:05,296 INFO L226 Difference]: Without dead ends: 32 [2024-11-20 18:09:05,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,297 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 21 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 19 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-20 18:09:05,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-20 18:09:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.625) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2024-11-20 18:09:05,308 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 5 [2024-11-20 18:09:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,308 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-11-20 18:09:05,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2024-11-20 18:09:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:09:05,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:09:05,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash 889648697, now seen corresponding path program 1 times [2024-11-20 18:09:05,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085406728] [2024-11-20 18:09:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085406728] [2024-11-20 18:09:05,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085406728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:09:05,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091965839] [2024-11-20 18:09:05,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:09:05,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:09:05,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:09:05,395 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,455 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2024-11-20 18:09:05,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:09:05,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:09:05,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,456 INFO L225 Difference]: With dead ends: 32 [2024-11-20 18:09:05,456 INFO L226 Difference]: Without dead ends: 31 [2024-11-20 18:09:05,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:09:05,457 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-20 18:09:05,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-20 18:09:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-11-20 18:09:05,465 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 6 [2024-11-20 18:09:05,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,469 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-11-20 18:09:05,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-20 18:09:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:09:05,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:09:05,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2024-11-20 18:09:05,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710249265] [2024-11-20 18:09:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710249265] [2024-11-20 18:09:05,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710249265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:05,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900068923] [2024-11-20 18:09:05,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:05,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,527 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,560 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2024-11-20 18:09:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:05,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:09:05,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,563 INFO L225 Difference]: With dead ends: 31 [2024-11-20 18:09:05,563 INFO L226 Difference]: Without dead ends: 29 [2024-11-20 18:09:05,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,564 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-20 18:09:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-20 18:09:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2024-11-20 18:09:05,571 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 6 [2024-11-20 18:09:05,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,573 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-20 18:09:05,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-20 18:09:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:09:05,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:09:05,574 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1809305897, now seen corresponding path program 1 times [2024-11-20 18:09:05,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686807085] [2024-11-20 18:09:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686807085] [2024-11-20 18:09:05,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686807085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:05,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895770728] [2024-11-20 18:09:05,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:05,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:05,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,609 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,618 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2024-11-20 18:09:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:05,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-20 18:09:05,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,619 INFO L225 Difference]: With dead ends: 29 [2024-11-20 18:09:05,619 INFO L226 Difference]: Without dead ends: 28 [2024-11-20 18:09:05,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,621 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 15 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 21 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-20 18:09:05,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-20 18:09:05,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.375) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2024-11-20 18:09:05,626 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 7 [2024-11-20 18:09:05,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,627 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-11-20 18:09:05,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-20 18:09:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:09:05,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:09:05,628 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2024-11-20 18:09:05,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754003618] [2024-11-20 18:09:05,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754003618] [2024-11-20 18:09:05,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754003618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:05,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862713074] [2024-11-20 18:09:05,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:05,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:05,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,654 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,679 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2024-11-20 18:09:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:05,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-20 18:09:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,681 INFO L225 Difference]: With dead ends: 28 [2024-11-20 18:09:05,681 INFO L226 Difference]: Without dead ends: 26 [2024-11-20 18:09:05,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,682 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 11 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-20 18:09:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-20 18:09:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-11-20 18:09:05,688 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 7 [2024-11-20 18:09:05,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,688 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-20 18:09:05,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-20 18:09:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 18:09:05,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:09:05,689 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,689 INFO L85 PathProgramCache]: Analyzing trace with hash 253908027, now seen corresponding path program 1 times [2024-11-20 18:09:05,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783829914] [2024-11-20 18:09:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783829914] [2024-11-20 18:09:05,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783829914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:09:05,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569655439] [2024-11-20 18:09:05,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:09:05,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:09:05,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,729 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,747 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2024-11-20 18:09:05,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:09:05,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 18:09:05,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,748 INFO L225 Difference]: With dead ends: 38 [2024-11-20 18:09:05,748 INFO L226 Difference]: Without dead ends: 37 [2024-11-20 18:09:05,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:09:05,750 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-20 18:09:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-20 18:09:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-20 18:09:05,757 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 8 [2024-11-20 18:09:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,757 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-20 18:09:05,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-20 18:09:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 18:09:05,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:09:05,759 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash -27489762, now seen corresponding path program 1 times [2024-11-20 18:09:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146625968] [2024-11-20 18:09:05,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146625968] [2024-11-20 18:09:05,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146625968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:09:05,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:09:05,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:09:05,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781721817] [2024-11-20 18:09:05,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:09:05,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:09:05,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:09:05,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:09:05,816 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:05,859 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-20 18:09:05,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:09:05,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-20 18:09:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:05,860 INFO L225 Difference]: With dead ends: 41 [2024-11-20 18:09:05,860 INFO L226 Difference]: Without dead ends: 40 [2024-11-20 18:09:05,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:09:05,861 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 11 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:05,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 32 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:05,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-20 18:09:05,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2024-11-20 18:09:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-11-20 18:09:05,866 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2024-11-20 18:09:05,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:05,867 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-11-20 18:09:05,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-20 18:09:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 18:09:05,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:05,868 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 18:09:05,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 18:09:05,869 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:05,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:05,869 INFO L85 PathProgramCache]: Analyzing trace with hash -309781424, now seen corresponding path program 1 times [2024-11-20 18:09:05,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:05,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705952569] [2024-11-20 18:09:05,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:05,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:05,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705952569] [2024-11-20 18:09:05,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705952569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:09:05,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732784974] [2024-11-20 18:09:05,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:05,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:05,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:05,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:09:05,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:09:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:05,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:09:05,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:09:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:06,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:09:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:06,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732784974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:09:06,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:09:06,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 18:09:06,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134601672] [2024-11-20 18:09:06,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:09:06,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:09:06,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:06,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:09:06,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:09:06,036 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:06,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:06,062 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2024-11-20 18:09:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:09:06,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-20 18:09:06,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:06,063 INFO L225 Difference]: With dead ends: 54 [2024-11-20 18:09:06,063 INFO L226 Difference]: Without dead ends: 53 [2024-11-20 18:09:06,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:09:06,064 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:06,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 56 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:06,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-20 18:09:06,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-20 18:09:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2024-11-20 18:09:06,083 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 14 [2024-11-20 18:09:06,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:06,083 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-20 18:09:06,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-11-20 18:09:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:09:06,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:06,084 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-20 18:09:06,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:09:06,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 18:09:06,285 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:06,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:06,286 INFO L85 PathProgramCache]: Analyzing trace with hash -870982129, now seen corresponding path program 2 times [2024-11-20 18:09:06,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:06,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599480434] [2024-11-20 18:09:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:06,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:06,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599480434] [2024-11-20 18:09:06,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599480434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:09:06,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093639578] [2024-11-20 18:09:06,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:09:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:06,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:06,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:09:06,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:09:06,446 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:09:06,446 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:09:06,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:09:06,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:09:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:06,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:09:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:06,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093639578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:09:06,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:09:06,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-20 18:09:06,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787142442] [2024-11-20 18:09:06,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:09:06,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:09:06,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:06,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:09:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:09:06,670 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:06,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:06,727 INFO L93 Difference]: Finished difference Result 114 states and 130 transitions. [2024-11-20 18:09:06,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:09:06,728 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-20 18:09:06,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:06,729 INFO L225 Difference]: With dead ends: 114 [2024-11-20 18:09:06,729 INFO L226 Difference]: Without dead ends: 113 [2024-11-20 18:09:06,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:09:06,730 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 106 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:06,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 110 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:09:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-20 18:09:06,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-20 18:09:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.1071428571428572) internal successors, (124), 112 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2024-11-20 18:09:06,744 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 32 [2024-11-20 18:09:06,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:06,744 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2024-11-20 18:09:06,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2024-11-20 18:09:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 18:09:06,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:06,747 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2024-11-20 18:09:06,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:09:06,950 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,SelfDestructingSolverStorable10 [2024-11-20 18:09:06,951 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:06,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:06,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1051352141, now seen corresponding path program 3 times [2024-11-20 18:09:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:06,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081321034] [2024-11-20 18:09:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:06,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:07,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081321034] [2024-11-20 18:09:07,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081321034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:09:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863628121] [2024-11-20 18:09:07,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:09:07,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:07,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:07,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:09:07,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:09:07,264 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-20 18:09:07,264 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:09:07,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:09:07,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:09:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:07,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:09:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:07,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863628121] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:09:07,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:09:07,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-20 18:09:07,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440891815] [2024-11-20 18:09:07,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:09:07,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 18:09:07,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:07,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 18:09:07,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:09:07,701 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 24 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:07,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:07,822 INFO L93 Difference]: Finished difference Result 234 states and 268 transitions. [2024-11-20 18:09:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-20 18:09:07,823 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 24 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-20 18:09:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:07,824 INFO L225 Difference]: With dead ends: 234 [2024-11-20 18:09:07,824 INFO L226 Difference]: Without dead ends: 233 [2024-11-20 18:09:07,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:09:07,826 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 406 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:07,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 219 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:09:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-20 18:09:07,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-20 18:09:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 232 states have (on average 1.103448275862069) internal successors, (256), 232 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 256 transitions. [2024-11-20 18:09:07,855 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 256 transitions. Word has length 68 [2024-11-20 18:09:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:07,856 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 256 transitions. [2024-11-20 18:09:07,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 24 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 256 transitions. [2024-11-20 18:09:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 18:09:07,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:07,863 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2024-11-20 18:09:07,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 18:09:08,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:08,068 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:08,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:08,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1663402953, now seen corresponding path program 4 times [2024-11-20 18:09:08,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:08,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193884282] [2024-11-20 18:09:08,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:08,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:08,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193884282] [2024-11-20 18:09:08,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193884282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:09:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162045898] [2024-11-20 18:09:08,726 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 18:09:08,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:08,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:08,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:09:08,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:09:08,794 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 18:09:08,794 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:09:08,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 18:09:08,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:09:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:08,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:09:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:09,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162045898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:09:09,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:09:09,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-20 18:09:09,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399444111] [2024-11-20 18:09:09,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:09:09,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-20 18:09:09,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:09,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-20 18:09:09,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-20 18:09:09,921 INFO L87 Difference]: Start difference. First operand 233 states and 256 transitions. Second operand has 48 states, 47 states have (on average 5.9361702127659575) internal successors, (279), 48 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:10,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:10,253 INFO L93 Difference]: Finished difference Result 474 states and 544 transitions. [2024-11-20 18:09:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-20 18:09:10,253 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.9361702127659575) internal successors, (279), 48 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2024-11-20 18:09:10,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:10,255 INFO L225 Difference]: With dead ends: 474 [2024-11-20 18:09:10,255 INFO L226 Difference]: Without dead ends: 473 [2024-11-20 18:09:10,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-20 18:09:10,257 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 936 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:10,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 437 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:09:10,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-20 18:09:10,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2024-11-20 18:09:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 472 states have (on average 1.1016949152542372) internal successors, (520), 472 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:10,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 520 transitions. [2024-11-20 18:09:10,284 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 520 transitions. Word has length 140 [2024-11-20 18:09:10,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:10,285 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 520 transitions. [2024-11-20 18:09:10,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.9361702127659575) internal successors, (279), 48 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 520 transitions. [2024-11-20 18:09:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-20 18:09:10,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:10,289 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2024-11-20 18:09:10,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:09:10,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:10,493 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:10,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:10,493 INFO L85 PathProgramCache]: Analyzing trace with hash 381058753, now seen corresponding path program 5 times [2024-11-20 18:09:10,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:10,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523123218] [2024-11-20 18:09:10,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:10,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:12,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523123218] [2024-11-20 18:09:12,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523123218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:09:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461962586] [2024-11-20 18:09:12,835 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 18:09:12,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:12,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:12,836 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:09:12,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:09:12,963 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-20 18:09:12,963 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:09:12,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-20 18:09:12,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:09:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:13,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:09:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:16,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461962586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:09:16,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:09:16,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-20 18:09:16,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715526321] [2024-11-20 18:09:16,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:09:16,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-20 18:09:16,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:16,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-20 18:09:16,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 18:09:16,226 INFO L87 Difference]: Start difference. First operand 473 states and 520 transitions. Second operand has 96 states, 95 states have (on average 5.968421052631579) internal successors, (567), 96 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:17,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:17,779 INFO L93 Difference]: Finished difference Result 954 states and 1096 transitions. [2024-11-20 18:09:17,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-20 18:09:17,780 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.968421052631579) internal successors, (567), 96 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 284 [2024-11-20 18:09:17,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:17,783 INFO L225 Difference]: With dead ends: 954 [2024-11-20 18:09:17,783 INFO L226 Difference]: Without dead ends: 953 [2024-11-20 18:09:17,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 18:09:17,786 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2166 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:17,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 866 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:09:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-20 18:09:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2024-11-20 18:09:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 952 states have (on average 1.1008403361344539) internal successors, (1048), 952 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1048 transitions. [2024-11-20 18:09:17,831 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1048 transitions. Word has length 284 [2024-11-20 18:09:17,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:17,831 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1048 transitions. [2024-11-20 18:09:17,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.968421052631579) internal successors, (567), 96 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1048 transitions. [2024-11-20 18:09:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2024-11-20 18:09:17,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:17,845 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 1, 1, 1, 1] [2024-11-20 18:09:17,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:09:18,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 18:09:18,046 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:18,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash 886252721, now seen corresponding path program 6 times [2024-11-20 18:09:18,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:18,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349498707] [2024-11-20 18:09:18,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:18,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:09:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26696 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:24,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:09:24,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349498707] [2024-11-20 18:09:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349498707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:09:24,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812962698] [2024-11-20 18:09:24,636 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-20 18:09:24,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:09:24,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:09:24,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:09:24,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:09:24,847 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-20 18:09:24,847 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:09:24,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-20 18:09:24,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:09:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 26696 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:25,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:09:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 26696 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:09:34,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812962698] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:09:34,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:09:34,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-20 18:09:34,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486534675] [2024-11-20 18:09:34,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:09:34,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-20 18:09:34,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:09:34,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-20 18:09:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-20 18:09:34,729 INFO L87 Difference]: Start difference. First operand 953 states and 1048 transitions. Second operand has 192 states, 191 states have (on average 5.984293193717278) internal successors, (1143), 192 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:47,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:09:47,731 INFO L93 Difference]: Finished difference Result 1914 states and 2200 transitions. [2024-11-20 18:09:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-20 18:09:47,731 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.984293193717278) internal successors, (1143), 192 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 572 [2024-11-20 18:09:47,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:09:47,738 INFO L225 Difference]: With dead ends: 1914 [2024-11-20 18:09:47,739 INFO L226 Difference]: Without dead ends: 1913 [2024-11-20 18:09:47,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1048 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-20 18:09:47,743 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4066 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4066 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:09:47,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4066 Valid, 1737 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:09:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2024-11-20 18:09:47,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1913. [2024-11-20 18:09:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1912 states have (on average 1.100418410041841) internal successors, (2104), 1912 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2104 transitions. [2024-11-20 18:09:47,812 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2104 transitions. Word has length 572 [2024-11-20 18:09:47,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:09:47,813 INFO L471 AbstractCegarLoop]: Abstraction has 1913 states and 2104 transitions. [2024-11-20 18:09:47,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.984293193717278) internal successors, (1143), 192 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:09:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2104 transitions. [2024-11-20 18:09:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2024-11-20 18:09:47,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:09:47,846 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 190, 1, 1, 1, 1] [2024-11-20 18:09:47,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 18:09:48,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 18:09:48,047 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:09:48,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:09:48,048 INFO L85 PathProgramCache]: Analyzing trace with hash -780717935, now seen corresponding path program 7 times [2024-11-20 18:09:48,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:09:48,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211350220] [2024-11-20 18:09:48,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:09:48,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:09:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:10:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 108680 backedges. 0 proven. 108680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:10:12,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:10:12,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211350220] [2024-11-20 18:10:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211350220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:10:12,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128151584] [2024-11-20 18:10:12,894 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-20 18:10:12,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:10:12,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:10:12,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:10:12,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:10:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:10:13,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-20 18:10:13,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:10:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 108680 backedges. 0 proven. 108680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:10:14,252 INFO L311 TraceCheckSpWp]: Computing backward predicates...