./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-009.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-009.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:15:41,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:15:41,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:15:41,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:15:41,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:15:41,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:15:41,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:15:41,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:15:41,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:15:41,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:15:41,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:15:41,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:15:41,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:15:41,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:15:41,908 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:15:41,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:15:41,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:15:41,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:15:41,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:15:41,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:15:41,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:15:41,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:15:41,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:15:41,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:15:41,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:15:41,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:15:41,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:15:41,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:15:41,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:15:41,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:15:41,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:15:41,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:15:41,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:15:41,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:15:41,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:15:41,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:15:41,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:15:41,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:15:41,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:15:41,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:15:41,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:15:41,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:15:41,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:15:41,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:15:41,929 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2024-11-19 11:15:42,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:15:42,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:15:42,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:15:42,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:15:42,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:15:42,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-009.c [2024-11-19 11:15:43,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:15:43,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:15:43,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-009.c [2024-11-19 11:15:43,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f2537ea/7aa67b3413234eefab557888c84f0fd4/FLAG662e2767c [2024-11-19 11:15:43,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f2537ea/7aa67b3413234eefab557888c84f0fd4 [2024-11-19 11:15:43,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:15:43,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:15:43,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:15:43,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:15:43,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:15:43,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf832c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43, skipping insertion in model container [2024-11-19 11:15:43,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:44,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:15:44,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:15:44,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:15:44,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:15:44,289 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:15:44,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44 WrapperNode [2024-11-19 11:15:44,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:15:44,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:15:44,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:15:44,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:15:44,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,333 INFO L138 Inliner]: procedures = 13, calls = 114, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 289 [2024-11-19 11:15:44,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:15:44,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:15:44,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:15:44,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:15:44,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,345 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,356 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 11:15:44,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:15:44,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:15:44,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:15:44,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:15:44,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (1/1) ... [2024-11-19 11:15:44,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:15:44,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:44,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 11:15:44,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 11:15:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:15:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:15:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:15:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:15:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-19 11:15:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-19 11:15:44,516 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:15:44,518 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:15:44,947 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-19 11:15:44,947 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:15:44,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:15:44,970 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:15:44,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:44 BoogieIcfgContainer [2024-11-19 11:15:44,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:15:44,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:15:44,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:15:44,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:15:44,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:15:43" (1/3) ... [2024-11-19 11:15:44,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2daa6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:15:44, skipping insertion in model container [2024-11-19 11:15:44,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:44" (2/3) ... [2024-11-19 11:15:44,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2daa6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:15:44, skipping insertion in model container [2024-11-19 11:15:44,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:44" (3/3) ... [2024-11-19 11:15:44,981 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2024-11-19 11:15:44,995 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:15:44,995 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-19 11:15:45,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:15:45,067 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;@5b6e4450, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:15:45,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-19 11:15:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 75 states have (on average 1.5466666666666666) internal successors, (116), 107 states have internal predecessors, (116), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-19 11:15:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2024-11-19 11:15:45,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:45,097 INFO L215 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:45,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:45,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:45,104 INFO L85 PathProgramCache]: Analyzing trace with hash -36741769, now seen corresponding path program 1 times [2024-11-19 11:15:45,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:45,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302000453] [2024-11-19 11:15:45,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:45,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 18818 trivial. 0 not checked. [2024-11-19 11:15:45,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:45,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302000453] [2024-11-19 11:15:45,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302000453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:45,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784002101] [2024-11-19 11:15:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:45,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:45,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:45,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:45,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 11:15:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:45,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 11:15:45,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 18818 trivial. 0 not checked. [2024-11-19 11:15:45,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:15:45,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784002101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:15:45,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:15:45,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 11:15:45,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495232282] [2024-11-19 11:15:45,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:15:45,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 11:15:45,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:45,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 11:15:45,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 11:15:45,975 INFO L87 Difference]: Start difference. First operand has 215 states, 75 states have (on average 1.5466666666666666) internal successors, (116), 107 states have internal predecessors, (116), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 2 states have call successors, (98) [2024-11-19 11:15:46,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:46,030 INFO L93 Difference]: Finished difference Result 423 states and 755 transitions. [2024-11-19 11:15:46,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 11:15:46,032 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 2 states have call successors, (98) Word has length 511 [2024-11-19 11:15:46,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:46,041 INFO L225 Difference]: With dead ends: 423 [2024-11-19 11:15:46,041 INFO L226 Difference]: Without dead ends: 208 [2024-11-19 11:15:46,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 11:15:46,053 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:46,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:15:46,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-19 11:15:46,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-19 11:15:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 70 states have (on average 1.542857142857143) internal successors, (108), 101 states have internal predecessors, (108), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 318 transitions. [2024-11-19 11:15:46,132 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 318 transitions. Word has length 511 [2024-11-19 11:15:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:46,133 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 318 transitions. [2024-11-19 11:15:46,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 2 states have call successors, (98) [2024-11-19 11:15:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 318 transitions. [2024-11-19 11:15:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2024-11-19 11:15:46,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:46,141 INFO L215 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:46,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 11:15:46,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 11:15:46,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:46,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1976392759, now seen corresponding path program 1 times [2024-11-19 11:15:46,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:46,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056975572] [2024-11-19 11:15:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:46,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 570 refuted. 0 times theorem prover too weak. 18436 trivial. 0 not checked. [2024-11-19 11:15:47,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:47,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056975572] [2024-11-19 11:15:47,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056975572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:47,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905641407] [2024-11-19 11:15:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:47,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:47,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:47,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:47,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 11:15:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:47,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:47,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:48,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:48,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905641407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:48,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:48,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:15:48,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697875550] [2024-11-19 11:15:48,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:48,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:15:48,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:48,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:15:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:48,563 INFO L87 Difference]: Start difference. First operand 208 states and 318 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 6 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 5 states have call predecessors, (292), 6 states have call successors, (292) [2024-11-19 11:15:49,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:49,122 INFO L93 Difference]: Finished difference Result 208 states and 318 transitions. [2024-11-19 11:15:49,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:15:49,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 6 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 5 states have call predecessors, (292), 6 states have call successors, (292) Word has length 511 [2024-11-19 11:15:49,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:49,128 INFO L225 Difference]: With dead ends: 208 [2024-11-19 11:15:49,128 INFO L226 Difference]: Without dead ends: 207 [2024-11-19 11:15:49,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1019 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:15:49,130 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 2 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:49,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1054 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:49,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-19 11:15:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-19 11:15:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 100 states have internal predecessors, (107), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 317 transitions. [2024-11-19 11:15:49,174 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 317 transitions. Word has length 511 [2024-11-19 11:15:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:49,181 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 317 transitions. [2024-11-19 11:15:49,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 6 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 5 states have call predecessors, (292), 6 states have call successors, (292) [2024-11-19 11:15:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 317 transitions. [2024-11-19 11:15:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2024-11-19 11:15:49,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:49,188 INFO L215 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:49,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 11:15:49,388 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,SelfDestructingSolverStorable1 [2024-11-19 11:15:49,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:49,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:49,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1138633537, now seen corresponding path program 1 times [2024-11-19 11:15:49,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:49,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76606012] [2024-11-19 11:15:49,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 285 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:49,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:49,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76606012] [2024-11-19 11:15:49,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76606012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:49,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75614167] [2024-11-19 11:15:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:49,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:49,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:49,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:49,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 11:15:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:49,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:49,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 285 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:50,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 285 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:50,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75614167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:50,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:50,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-19 11:15:50,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388710431] [2024-11-19 11:15:50,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:50,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:15:50,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:50,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:15:50,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:50,776 INFO L87 Difference]: Start difference. First operand 207 states and 317 transitions. Second operand has 10 states, 8 states have (on average 8.625) internal successors, (69), 10 states have internal predecessors, (69), 5 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) [2024-11-19 11:15:51,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:51,312 INFO L93 Difference]: Finished difference Result 207 states and 317 transitions. [2024-11-19 11:15:51,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:15:51,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.625) internal successors, (69), 10 states have internal predecessors, (69), 5 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) Word has length 512 [2024-11-19 11:15:51,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:51,316 INFO L225 Difference]: With dead ends: 207 [2024-11-19 11:15:51,316 INFO L226 Difference]: Without dead ends: 206 [2024-11-19 11:15:51,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1019 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:51,317 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 0 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:51,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1256 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:51,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-19 11:15:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-19 11:15:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 99 states have internal predecessors, (106), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 316 transitions. [2024-11-19 11:15:51,351 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 316 transitions. Word has length 512 [2024-11-19 11:15:51,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:51,352 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 316 transitions. [2024-11-19 11:15:51,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.625) internal successors, (69), 10 states have internal predecessors, (69), 5 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) [2024-11-19 11:15:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 316 transitions. [2024-11-19 11:15:51,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2024-11-19 11:15:51,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:51,362 INFO L215 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:51,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 11:15:51,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:51,563 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:51,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:51,563 INFO L85 PathProgramCache]: Analyzing trace with hash -989826397, now seen corresponding path program 1 times [2024-11-19 11:15:51,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:51,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876888008] [2024-11-19 11:15:51,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19012 trivial. 0 not checked. [2024-11-19 11:15:51,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:51,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876888008] [2024-11-19 11:15:51,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876888008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:15:51,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:15:51,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:15:51,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175089510] [2024-11-19 11:15:51,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:15:51,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:15:51,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:51,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:15:51,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:15:51,706 INFO L87 Difference]: Start difference. First operand 206 states and 316 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) [2024-11-19 11:15:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:51,768 INFO L93 Difference]: Finished difference Result 206 states and 316 transitions. [2024-11-19 11:15:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:15:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) Word has length 514 [2024-11-19 11:15:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:51,773 INFO L225 Difference]: With dead ends: 206 [2024-11-19 11:15:51,773 INFO L226 Difference]: Without dead ends: 198 [2024-11-19 11:15:51,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:15:51,774 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 8 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:51,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 538 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:15:51,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-19 11:15:51,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-19 11:15:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 70 states have (on average 1.4) internal successors, (98), 91 states have internal predecessors, (98), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 308 transitions. [2024-11-19 11:15:51,806 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 308 transitions. Word has length 514 [2024-11-19 11:15:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:51,807 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 308 transitions. [2024-11-19 11:15:51,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) [2024-11-19 11:15:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 308 transitions. [2024-11-19 11:15:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2024-11-19 11:15:51,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:51,810 INFO L215 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:51,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 11:15:51,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:51,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash -619847074, now seen corresponding path program 1 times [2024-11-19 11:15:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:51,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686021268] [2024-11-19 11:15:51,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 570 refuted. 0 times theorem prover too weak. 18436 trivial. 0 not checked. [2024-11-19 11:15:52,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:52,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686021268] [2024-11-19 11:15:52,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686021268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:52,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472016991] [2024-11-19 11:15:52,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:52,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:52,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:52,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 11:15:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:52,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:15:52,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:52,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2024-11-19 11:15:53,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472016991] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:53,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:53,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:15:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688672477] [2024-11-19 11:15:53,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:53,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:15:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:53,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:15:53,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:15:53,216 INFO L87 Difference]: Start difference. First operand 198 states and 308 transitions. Second operand has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) [2024-11-19 11:15:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:53,617 INFO L93 Difference]: Finished difference Result 198 states and 308 transitions. [2024-11-19 11:15:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:15:53,618 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) Word has length 515 [2024-11-19 11:15:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:53,622 INFO L225 Difference]: With dead ends: 198 [2024-11-19 11:15:53,623 INFO L226 Difference]: Without dead ends: 197 [2024-11-19 11:15:53,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1037 GetRequests, 1026 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:15:53,623 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 0 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:53,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 950 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:15:53,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-19 11:15:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-19 11:15:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 90 states have internal predecessors, (97), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 307 transitions. [2024-11-19 11:15:53,640 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 307 transitions. Word has length 515 [2024-11-19 11:15:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:53,643 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 307 transitions. [2024-11-19 11:15:53,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) [2024-11-19 11:15:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 307 transitions. [2024-11-19 11:15:53,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-11-19 11:15:53,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:53,646 INFO L215 NwaCegarLoop]: trace histogram [99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:53,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:53,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:53,847 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:53,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:53,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1930118915, now seen corresponding path program 1 times [2024-11-19 11:15:53,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:53,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053303697] [2024-11-19 11:15:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:53,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2024-11-19 11:15:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053303697] [2024-11-19 11:15:54,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053303697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:54,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016038260] [2024-11-19 11:15:54,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:54,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:54,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:54,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 11:15:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:54,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:15:54,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 348 proven. 792 refuted. 0 times theorem prover too weak. 18264 trivial. 0 not checked. [2024-11-19 11:15:54,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 348 proven. 792 refuted. 0 times theorem prover too weak. 18264 trivial. 0 not checked. [2024-11-19 11:15:55,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016038260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:55,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:55,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:15:55,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090935575] [2024-11-19 11:15:55,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:55,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:15:55,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:55,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:15:55,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:15:55,400 INFO L87 Difference]: Start difference. First operand 197 states and 307 transitions. Second operand has 20 states, 18 states have (on average 4.388888888888889) internal successors, (79), 17 states have internal predecessors, (79), 11 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 11 states have call predecessors, (297), 11 states have call successors, (297) [2024-11-19 11:15:56,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:56,183 INFO L93 Difference]: Finished difference Result 201 states and 314 transitions. [2024-11-19 11:15:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:15:56,184 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.388888888888889) internal successors, (79), 17 states have internal predecessors, (79), 11 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 11 states have call predecessors, (297), 11 states have call successors, (297) Word has length 520 [2024-11-19 11:15:56,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:56,186 INFO L225 Difference]: With dead ends: 201 [2024-11-19 11:15:56,186 INFO L226 Difference]: Without dead ends: 200 [2024-11-19 11:15:56,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1050 GetRequests, 1025 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:15:56,187 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 34 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2286 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:56,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2286 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 11:15:56,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-19 11:15:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 196. [2024-11-19 11:15:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 89 states have internal predecessors, (96), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 306 transitions. [2024-11-19 11:15:56,210 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 306 transitions. Word has length 520 [2024-11-19 11:15:56,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:56,210 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 306 transitions. [2024-11-19 11:15:56,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.388888888888889) internal successors, (79), 17 states have internal predecessors, (79), 11 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 11 states have call predecessors, (297), 11 states have call successors, (297) [2024-11-19 11:15:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 306 transitions. [2024-11-19 11:15:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2024-11-19 11:15:56,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:56,213 INFO L215 NwaCegarLoop]: trace histogram [99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:56,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:56,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:56,414 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:56,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:56,414 INFO L85 PathProgramCache]: Analyzing trace with hash 295855947, now seen corresponding path program 1 times [2024-11-19 11:15:56,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:56,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183968291] [2024-11-19 11:15:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:56,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 12 proven. 282 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2024-11-19 11:15:56,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:56,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183968291] [2024-11-19 11:15:56,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183968291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:56,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408038861] [2024-11-19 11:15:56,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:56,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:56,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:56,757 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:56,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 11:15:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:56,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:56,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 12 proven. 282 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2024-11-19 11:15:57,193 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 12 proven. 282 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2024-11-19 11:15:57,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408038861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:57,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:57,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2024-11-19 11:15:57,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53886964] [2024-11-19 11:15:57,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:57,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 11:15:57,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:57,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 11:15:57,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 11:15:57,530 INFO L87 Difference]: Start difference. First operand 196 states and 306 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 8 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (293), 7 states have call predecessors, (293), 8 states have call successors, (293) [2024-11-19 11:15:58,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:58,035 INFO L93 Difference]: Finished difference Result 196 states and 306 transitions. [2024-11-19 11:15:58,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 11:15:58,036 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 8 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (293), 7 states have call predecessors, (293), 8 states have call successors, (293) Word has length 521 [2024-11-19 11:15:58,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:58,040 INFO L225 Difference]: With dead ends: 196 [2024-11-19 11:15:58,040 INFO L226 Difference]: Without dead ends: 195 [2024-11-19 11:15:58,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 1036 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:15:58,043 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 23 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:58,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1595 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:15:58,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-19 11:15:58,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-19 11:15:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 88 states have internal predecessors, (95), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:15:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 305 transitions. [2024-11-19 11:15:58,065 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 305 transitions. Word has length 521 [2024-11-19 11:15:58,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:58,068 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 305 transitions. [2024-11-19 11:15:58,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 8 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (293), 7 states have call predecessors, (293), 8 states have call successors, (293) [2024-11-19 11:15:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 305 transitions. [2024-11-19 11:15:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2024-11-19 11:15:58,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:58,072 INFO L215 NwaCegarLoop]: trace histogram [99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:58,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:58,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:58,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:15:58,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash 571797540, now seen corresponding path program 1 times [2024-11-19 11:15:58,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:58,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143366752] [2024-11-19 11:15:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 18 proven. 564 refuted. 0 times theorem prover too weak. 18822 trivial. 0 not checked. [2024-11-19 11:15:58,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:58,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143366752] [2024-11-19 11:15:58,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143366752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:58,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161993455] [2024-11-19 11:15:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:58,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:58,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:58,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:58,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 11:15:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:58,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:15:58,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 348 proven. 792 refuted. 0 times theorem prover too weak. 18264 trivial. 0 not checked. [2024-11-19 11:15:59,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 348 proven. 792 refuted. 0 times theorem prover too weak. 18264 trivial. 0 not checked. [2024-11-19 11:15:59,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161993455] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:59,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:59,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-19 11:15:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418482104] [2024-11-19 11:15:59,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:59,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:15:59,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:59,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:15:59,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:15:59,703 INFO L87 Difference]: Start difference. First operand 195 states and 305 transitions. Second operand has 23 states, 21 states have (on average 4.333333333333333) internal successors, (91), 23 states have internal predecessors, (91), 11 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 11 states have call predecessors, (297), 11 states have call successors, (297) [2024-11-19 11:16:00,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:00,467 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-19 11:16:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:00,468 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.333333333333333) internal successors, (91), 23 states have internal predecessors, (91), 11 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 11 states have call predecessors, (297), 11 states have call successors, (297) Word has length 524 [2024-11-19 11:16:00,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:00,470 INFO L225 Difference]: With dead ends: 199 [2024-11-19 11:16:00,470 INFO L226 Difference]: Without dead ends: 198 [2024-11-19 11:16:00,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1061 GetRequests, 1033 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:16:00,471 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 62 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:00,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1772 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:00,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-19 11:16:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2024-11-19 11:16:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 87 states have internal predecessors, (94), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 304 transitions. [2024-11-19 11:16:00,498 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 304 transitions. Word has length 524 [2024-11-19 11:16:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:00,499 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 304 transitions. [2024-11-19 11:16:00,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.333333333333333) internal successors, (91), 23 states have internal predecessors, (91), 11 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 11 states have call predecessors, (297), 11 states have call successors, (297) [2024-11-19 11:16:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 304 transitions. [2024-11-19 11:16:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-11-19 11:16:00,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:00,504 INFO L215 NwaCegarLoop]: trace histogram [100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:00,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 11:16:00,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:00,709 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:00,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:00,709 INFO L85 PathProgramCache]: Analyzing trace with hash -79069549, now seen corresponding path program 1 times [2024-11-19 11:16:00,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:00,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41866094] [2024-11-19 11:16:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 12 proven. 285 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2024-11-19 11:16:00,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:00,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41866094] [2024-11-19 11:16:00,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41866094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:00,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800807785] [2024-11-19 11:16:00,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:00,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:00,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:00,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 11:16:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:01,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:01,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 369 proven. 783 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2024-11-19 11:16:01,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 369 proven. 783 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2024-11-19 11:16:01,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800807785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:01,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:01,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:01,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554425546] [2024-11-19 11:16:01,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:01,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:01,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:01,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:01,995 INFO L87 Difference]: Start difference. First operand 194 states and 304 transitions. Second operand has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 17 states have internal predecessors, (89), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 11 states have call predecessors, (296), 11 states have call successors, (296) [2024-11-19 11:16:02,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:02,677 INFO L93 Difference]: Finished difference Result 198 states and 311 transitions. [2024-11-19 11:16:02,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:02,678 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 17 states have internal predecessors, (89), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 11 states have call predecessors, (296), 11 states have call successors, (296) Word has length 529 [2024-11-19 11:16:02,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:02,681 INFO L225 Difference]: With dead ends: 198 [2024-11-19 11:16:02,681 INFO L226 Difference]: Without dead ends: 197 [2024-11-19 11:16:02,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 1043 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:02,682 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 50 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:02,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1540 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-19 11:16:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193. [2024-11-19 11:16:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 86 states have internal predecessors, (93), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 303 transitions. [2024-11-19 11:16:02,716 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 303 transitions. Word has length 529 [2024-11-19 11:16:02,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:02,717 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 303 transitions. [2024-11-19 11:16:02,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 17 states have internal predecessors, (89), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 11 states have call predecessors, (296), 11 states have call successors, (296) [2024-11-19 11:16:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 303 transitions. [2024-11-19 11:16:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2024-11-19 11:16:02,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:02,720 INFO L215 NwaCegarLoop]: trace histogram [100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:02,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:02,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-19 11:16:02,921 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:02,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:02,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1843811461, now seen corresponding path program 1 times [2024-11-19 11:16:02,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:02,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33647825] [2024-11-19 11:16:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:02,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 18 proven. 279 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2024-11-19 11:16:03,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:03,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33647825] [2024-11-19 11:16:03,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33647825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:03,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819353175] [2024-11-19 11:16:03,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:03,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:03,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:03,236 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:03,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 11:16:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:03,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:03,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 18 proven. 279 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2024-11-19 11:16:03,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 18 proven. 279 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2024-11-19 11:16:03,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819353175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:03,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:03,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-19 11:16:03,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446128342] [2024-11-19 11:16:03,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:03,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:16:03,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:16:03,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:16:03,970 INFO L87 Difference]: Start difference. First operand 193 states and 303 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2024-11-19 11:16:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:04,254 INFO L93 Difference]: Finished difference Result 193 states and 303 transitions. [2024-11-19 11:16:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:04,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) Word has length 530 [2024-11-19 11:16:04,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:04,256 INFO L225 Difference]: With dead ends: 193 [2024-11-19 11:16:04,256 INFO L226 Difference]: Without dead ends: 192 [2024-11-19 11:16:04,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1063 GetRequests, 1056 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:16:04,257 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 6 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:04,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 756 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-19 11:16:04,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-11-19 11:16:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 85 states have internal predecessors, (92), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 302 transitions. [2024-11-19 11:16:04,273 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 302 transitions. Word has length 530 [2024-11-19 11:16:04,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:04,274 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 302 transitions. [2024-11-19 11:16:04,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2024-11-19 11:16:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 302 transitions. [2024-11-19 11:16:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2024-11-19 11:16:04,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:04,278 INFO L215 NwaCegarLoop]: trace histogram [100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:04,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:04,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 11:16:04,479 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:04,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:04,480 INFO L85 PathProgramCache]: Analyzing trace with hash 650673850, now seen corresponding path program 1 times [2024-11-19 11:16:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:04,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408176788] [2024-11-19 11:16:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:04,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 12 proven. 285 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2024-11-19 11:16:04,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:04,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408176788] [2024-11-19 11:16:04,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408176788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:04,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379774867] [2024-11-19 11:16:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:04,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:04,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:04,695 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:04,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 11:16:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:04,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:04,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 369 proven. 783 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2024-11-19 11:16:05,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 369 proven. 783 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2024-11-19 11:16:05,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379774867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:05,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:05,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2024-11-19 11:16:05,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109118812] [2024-11-19 11:16:05,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:05,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 11:16:05,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:05,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 11:16:05,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-19 11:16:05,757 INFO L87 Difference]: Start difference. First operand 192 states and 302 transitions. Second operand has 21 states, 19 states have (on average 5.052631578947368) internal successors, (96), 20 states have internal predecessors, (96), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 10 states have call predecessors, (296), 11 states have call successors, (296) [2024-11-19 11:16:06,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:06,447 INFO L93 Difference]: Finished difference Result 196 states and 307 transitions. [2024-11-19 11:16:06,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:06,448 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.052631578947368) internal successors, (96), 20 states have internal predecessors, (96), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 10 states have call predecessors, (296), 11 states have call successors, (296) Word has length 533 [2024-11-19 11:16:06,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:06,450 INFO L225 Difference]: With dead ends: 196 [2024-11-19 11:16:06,450 INFO L226 Difference]: Without dead ends: 195 [2024-11-19 11:16:06,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1077 GetRequests, 1050 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2024-11-19 11:16:06,451 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 75 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:06,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 2325 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-19 11:16:06,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2024-11-19 11:16:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 70 states have (on average 1.3) internal successors, (91), 84 states have internal predecessors, (91), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 301 transitions. [2024-11-19 11:16:06,470 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 301 transitions. Word has length 533 [2024-11-19 11:16:06,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:06,470 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 301 transitions. [2024-11-19 11:16:06,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.052631578947368) internal successors, (96), 20 states have internal predecessors, (96), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 10 states have call predecessors, (296), 11 states have call successors, (296) [2024-11-19 11:16:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 301 transitions. [2024-11-19 11:16:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2024-11-19 11:16:06,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:06,473 INFO L215 NwaCegarLoop]: trace histogram [101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:06,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:06,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 11:16:06,675 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:06,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash 649184601, now seen corresponding path program 1 times [2024-11-19 11:16:06,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:06,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592936723] [2024-11-19 11:16:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:06,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2024-11-19 11:16:06,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:06,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592936723] [2024-11-19 11:16:06,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592936723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:06,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967546965] [2024-11-19 11:16:06,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:06,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:06,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:06,931 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:06,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 11:16:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:07,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:07,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2024-11-19 11:16:07,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2024-11-19 11:16:07,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967546965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:07,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:07,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:16:07,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000029079] [2024-11-19 11:16:07,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:07,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:16:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:07,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:16:07,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:07,673 INFO L87 Difference]: Start difference. First operand 191 states and 301 transitions. Second operand has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 6 states have call successors, (288), 1 states have call predecessors, (288), 2 states have return successors, (289), 6 states have call predecessors, (289), 6 states have call successors, (289) [2024-11-19 11:16:07,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:07,983 INFO L93 Difference]: Finished difference Result 191 states and 301 transitions. [2024-11-19 11:16:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:07,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 6 states have call successors, (288), 1 states have call predecessors, (288), 2 states have return successors, (289), 6 states have call predecessors, (289), 6 states have call successors, (289) Word has length 538 [2024-11-19 11:16:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:07,985 INFO L225 Difference]: With dead ends: 191 [2024-11-19 11:16:07,985 INFO L226 Difference]: Without dead ends: 190 [2024-11-19 11:16:07,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1079 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:07,986 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 50 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:07,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 656 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-19 11:16:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-19 11:16:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 83 states have internal predecessors, (90), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 300 transitions. [2024-11-19 11:16:08,012 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 300 transitions. Word has length 538 [2024-11-19 11:16:08,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:08,013 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 300 transitions. [2024-11-19 11:16:08,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 6 states have call successors, (288), 1 states have call predecessors, (288), 2 states have return successors, (289), 6 states have call predecessors, (289), 6 states have call successors, (289) [2024-11-19 11:16:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 300 transitions. [2024-11-19 11:16:08,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-11-19 11:16:08,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:08,016 INFO L215 NwaCegarLoop]: trace histogram [101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:08,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:08,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 11:16:08,216 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:08,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:08,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1350113649, now seen corresponding path program 1 times [2024-11-19 11:16:08,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:08,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078246740] [2024-11-19 11:16:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:08,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 24 proven. 276 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2024-11-19 11:16:08,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:08,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078246740] [2024-11-19 11:16:08,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078246740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:08,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913385270] [2024-11-19 11:16:08,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:08,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:08,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:08,475 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:08,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 11:16:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:08,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:08,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 24 proven. 276 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2024-11-19 11:16:08,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 24 proven. 276 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2024-11-19 11:16:09,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913385270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:09,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:09,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-11-19 11:16:09,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740814161] [2024-11-19 11:16:09,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:09,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:16:09,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:09,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:16:09,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:09,183 INFO L87 Difference]: Start difference. First operand 190 states and 300 transitions. Second operand has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 6 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 6 states have call predecessors, (290), 6 states have call successors, (290) [2024-11-19 11:16:09,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:09,527 INFO L93 Difference]: Finished difference Result 190 states and 300 transitions. [2024-11-19 11:16:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 11:16:09,527 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 6 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 6 states have call predecessors, (290), 6 states have call successors, (290) Word has length 539 [2024-11-19 11:16:09,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:09,529 INFO L225 Difference]: With dead ends: 190 [2024-11-19 11:16:09,529 INFO L226 Difference]: Without dead ends: 189 [2024-11-19 11:16:09,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1073 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:16:09,530 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 66 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:09,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 990 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:09,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-19 11:16:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-19 11:16:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 82 states have internal predecessors, (89), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2024-11-19 11:16:09,547 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 539 [2024-11-19 11:16:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:09,547 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2024-11-19 11:16:09,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 6 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 6 states have call predecessors, (290), 6 states have call successors, (290) [2024-11-19 11:16:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2024-11-19 11:16:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-19 11:16:09,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:09,555 INFO L215 NwaCegarLoop]: trace histogram [101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:09,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 11:16:09,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 11:16:09,756 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:09,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:09,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1133213312, now seen corresponding path program 1 times [2024-11-19 11:16:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:09,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711479788] [2024-11-19 11:16:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:09,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 42 proven. 552 refuted. 0 times theorem prover too weak. 19606 trivial. 0 not checked. [2024-11-19 11:16:10,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:10,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711479788] [2024-11-19 11:16:10,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711479788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:10,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623468076] [2024-11-19 11:16:10,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:10,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:10,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:10,107 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:10,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 11:16:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:10,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:10,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 390 proven. 774 refuted. 0 times theorem prover too weak. 19036 trivial. 0 not checked. [2024-11-19 11:16:10,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 390 proven. 774 refuted. 0 times theorem prover too weak. 19036 trivial. 0 not checked. [2024-11-19 11:16:11,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623468076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:11,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:11,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-19 11:16:11,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437169044] [2024-11-19 11:16:11,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:11,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:16:11,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:11,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:16:11,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:16:11,073 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand has 23 states, 21 states have (on average 5.285714285714286) internal successors, (111), 23 states have internal predecessors, (111), 11 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (295), 11 states have call predecessors, (295), 11 states have call successors, (295) [2024-11-19 11:16:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:11,800 INFO L93 Difference]: Finished difference Result 193 states and 304 transitions. [2024-11-19 11:16:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:11,801 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.285714285714286) internal successors, (111), 23 states have internal predecessors, (111), 11 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (295), 11 states have call predecessors, (295), 11 states have call successors, (295) Word has length 542 [2024-11-19 11:16:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:11,803 INFO L225 Difference]: With dead ends: 193 [2024-11-19 11:16:11,803 INFO L226 Difference]: Without dead ends: 192 [2024-11-19 11:16:11,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1069 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:16:11,804 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 111 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:11,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1591 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-19 11:16:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 188. [2024-11-19 11:16:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 81 states have internal predecessors, (88), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 298 transitions. [2024-11-19 11:16:11,821 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 298 transitions. Word has length 542 [2024-11-19 11:16:11,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:11,822 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 298 transitions. [2024-11-19 11:16:11,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.285714285714286) internal successors, (111), 23 states have internal predecessors, (111), 11 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (295), 11 states have call predecessors, (295), 11 states have call successors, (295) [2024-11-19 11:16:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 298 transitions. [2024-11-19 11:16:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2024-11-19 11:16:11,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:11,825 INFO L215 NwaCegarLoop]: trace histogram [102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:11,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:12,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 11:16:12,026 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:12,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:12,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1781326063, now seen corresponding path program 1 times [2024-11-19 11:16:12,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:12,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915696021] [2024-11-19 11:16:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:12,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 24 proven. 279 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2024-11-19 11:16:12,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:12,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915696021] [2024-11-19 11:16:12,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915696021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:12,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767963578] [2024-11-19 11:16:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:12,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:12,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:12,233 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:12,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 11:16:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:12,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:12,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 411 proven. 765 refuted. 0 times theorem prover too weak. 19428 trivial. 0 not checked. [2024-11-19 11:16:12,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 411 proven. 765 refuted. 0 times theorem prover too weak. 19428 trivial. 0 not checked. [2024-11-19 11:16:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767963578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:13,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:13,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633692519] [2024-11-19 11:16:13,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:13,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:13,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:13,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:13,180 INFO L87 Difference]: Start difference. First operand 188 states and 298 transitions. Second operand has 20 states, 18 states have (on average 6.055555555555555) internal successors, (109), 17 states have internal predecessors, (109), 11 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (294), 11 states have call predecessors, (294), 11 states have call successors, (294) [2024-11-19 11:16:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:13,714 INFO L93 Difference]: Finished difference Result 192 states and 305 transitions. [2024-11-19 11:16:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.055555555555555) internal successors, (109), 17 states have internal predecessors, (109), 11 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (294), 11 states have call predecessors, (294), 11 states have call successors, (294) Word has length 547 [2024-11-19 11:16:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:13,717 INFO L225 Difference]: With dead ends: 192 [2024-11-19 11:16:13,717 INFO L226 Difference]: Without dead ends: 191 [2024-11-19 11:16:13,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1104 GetRequests, 1079 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:13,718 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 124 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:13,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1482 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-19 11:16:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-19 11:16:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 80 states have internal predecessors, (87), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 297 transitions. [2024-11-19 11:16:13,735 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 297 transitions. Word has length 547 [2024-11-19 11:16:13,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:13,736 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 297 transitions. [2024-11-19 11:16:13,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.055555555555555) internal successors, (109), 17 states have internal predecessors, (109), 11 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (294), 11 states have call predecessors, (294), 11 states have call successors, (294) [2024-11-19 11:16:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 297 transitions. [2024-11-19 11:16:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-19 11:16:13,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:13,738 INFO L215 NwaCegarLoop]: trace histogram [102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:13,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:13,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:13,943 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:13,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash -613466679, now seen corresponding path program 1 times [2024-11-19 11:16:13,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106435838] [2024-11-19 11:16:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:13,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 30 proven. 273 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2024-11-19 11:16:14,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:14,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106435838] [2024-11-19 11:16:14,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106435838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:14,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177122347] [2024-11-19 11:16:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:14,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:14,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:14,298 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:14,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 11:16:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:14,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:14,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 30 proven. 273 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2024-11-19 11:16:14,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 30 proven. 273 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2024-11-19 11:16:14,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177122347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:14,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:14,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-19 11:16:14,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336335388] [2024-11-19 11:16:14,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:14,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 11:16:14,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:14,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 11:16:14,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 11:16:14,996 INFO L87 Difference]: Start difference. First operand 187 states and 297 transitions. Second operand has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 13 states have internal predecessors, (109), 7 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (291), 7 states have call predecessors, (291), 7 states have call successors, (291) [2024-11-19 11:16:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:15,564 INFO L93 Difference]: Finished difference Result 192 states and 304 transitions. [2024-11-19 11:16:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 13 states have internal predecessors, (109), 7 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (291), 7 states have call predecessors, (291), 7 states have call successors, (291) Word has length 548 [2024-11-19 11:16:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:15,566 INFO L225 Difference]: With dead ends: 192 [2024-11-19 11:16:15,566 INFO L226 Difference]: Without dead ends: 191 [2024-11-19 11:16:15,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1110 GetRequests, 1091 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:15,567 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 80 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:15,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1290 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-19 11:16:15,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 186. [2024-11-19 11:16:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 79 states have internal predecessors, (86), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 296 transitions. [2024-11-19 11:16:15,584 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 296 transitions. Word has length 548 [2024-11-19 11:16:15,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:15,585 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 296 transitions. [2024-11-19 11:16:15,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 13 states have internal predecessors, (109), 7 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (291), 7 states have call predecessors, (291), 7 states have call successors, (291) [2024-11-19 11:16:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 296 transitions. [2024-11-19 11:16:15,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2024-11-19 11:16:15,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:15,588 INFO L215 NwaCegarLoop]: trace histogram [102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:15,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 11:16:15,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 11:16:15,789 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:15,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:15,789 INFO L85 PathProgramCache]: Analyzing trace with hash -699770090, now seen corresponding path program 1 times [2024-11-19 11:16:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:15,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747399100] [2024-11-19 11:16:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:15,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 54 proven. 546 refuted. 0 times theorem prover too weak. 20004 trivial. 0 not checked. [2024-11-19 11:16:16,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:16,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747399100] [2024-11-19 11:16:16,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747399100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:16,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86297463] [2024-11-19 11:16:16,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:16,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:16,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:16,064 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:16,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 11:16:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:16,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:16,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 411 proven. 765 refuted. 0 times theorem prover too weak. 19428 trivial. 0 not checked. [2024-11-19 11:16:16,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 411 proven. 765 refuted. 0 times theorem prover too weak. 19428 trivial. 0 not checked. [2024-11-19 11:16:17,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86297463] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:17,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:17,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-19 11:16:17,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031426624] [2024-11-19 11:16:17,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:17,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:16:17,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:17,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:16:17,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:16:17,087 INFO L87 Difference]: Start difference. First operand 186 states and 296 transitions. Second operand has 23 states, 21 states have (on average 5.761904761904762) internal successors, (121), 23 states have internal predecessors, (121), 11 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (294), 11 states have call predecessors, (294), 11 states have call successors, (294) [2024-11-19 11:16:17,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:17,795 INFO L93 Difference]: Finished difference Result 190 states and 301 transitions. [2024-11-19 11:16:17,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:17,795 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.761904761904762) internal successors, (121), 23 states have internal predecessors, (121), 11 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (294), 11 states have call predecessors, (294), 11 states have call successors, (294) Word has length 551 [2024-11-19 11:16:17,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:17,797 INFO L225 Difference]: With dead ends: 190 [2024-11-19 11:16:17,797 INFO L226 Difference]: Without dead ends: 189 [2024-11-19 11:16:17,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1115 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:16:17,799 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 137 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:17,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 2005 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-19 11:16:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2024-11-19 11:16:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 295 transitions. [2024-11-19 11:16:17,824 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 295 transitions. Word has length 551 [2024-11-19 11:16:17,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:17,825 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 295 transitions. [2024-11-19 11:16:17,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.761904761904762) internal successors, (121), 23 states have internal predecessors, (121), 11 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (294), 11 states have call predecessors, (294), 11 states have call successors, (294) [2024-11-19 11:16:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 295 transitions. [2024-11-19 11:16:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-19 11:16:17,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:17,828 INFO L215 NwaCegarLoop]: trace histogram [103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:17,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 11:16:18,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 11:16:18,029 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:18,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:18,030 INFO L85 PathProgramCache]: Analyzing trace with hash -684748363, now seen corresponding path program 1 times [2024-11-19 11:16:18,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:18,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684487341] [2024-11-19 11:16:18,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:18,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 30 proven. 276 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:18,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:18,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684487341] [2024-11-19 11:16:18,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684487341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:18,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054224661] [2024-11-19 11:16:18,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:18,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:18,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:18,258 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:18,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 11:16:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:18,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:18,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 30 proven. 276 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:18,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 30 proven. 276 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:18,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054224661] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:18,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:18,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:16:18,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051319112] [2024-11-19 11:16:18,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:18,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:16:18,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:18,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:16:18,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:18,960 INFO L87 Difference]: Start difference. First operand 185 states and 295 transitions. Second operand has 10 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (286), 1 states have call predecessors, (286), 2 states have return successors, (287), 6 states have call predecessors, (287), 6 states have call successors, (287) [2024-11-19 11:16:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:19,323 INFO L93 Difference]: Finished difference Result 185 states and 295 transitions. [2024-11-19 11:16:19,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:19,324 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (286), 1 states have call predecessors, (286), 2 states have return successors, (287), 6 states have call predecessors, (287), 6 states have call successors, (287) Word has length 556 [2024-11-19 11:16:19,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:19,325 INFO L225 Difference]: With dead ends: 185 [2024-11-19 11:16:19,325 INFO L226 Difference]: Without dead ends: 184 [2024-11-19 11:16:19,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1115 GetRequests, 1107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:19,326 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 32 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:19,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 944 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:19,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-19 11:16:19,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-19 11:16:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 70 states have (on average 1.2) internal successors, (84), 77 states have internal predecessors, (84), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 294 transitions. [2024-11-19 11:16:19,357 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 294 transitions. Word has length 556 [2024-11-19 11:16:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:19,357 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 294 transitions. [2024-11-19 11:16:19,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (286), 1 states have call predecessors, (286), 2 states have return successors, (287), 6 states have call predecessors, (287), 6 states have call successors, (287) [2024-11-19 11:16:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 294 transitions. [2024-11-19 11:16:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2024-11-19 11:16:19,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:19,360 INFO L215 NwaCegarLoop]: trace histogram [103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:19,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:19,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 11:16:19,561 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:19,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:19,561 INFO L85 PathProgramCache]: Analyzing trace with hash 247637459, now seen corresponding path program 1 times [2024-11-19 11:16:19,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:19,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666587676] [2024-11-19 11:16:19,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:19,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 36 proven. 270 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:19,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:19,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666587676] [2024-11-19 11:16:19,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666587676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:19,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045019124] [2024-11-19 11:16:19,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:19,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:19,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:19,894 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:19,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 11:16:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:20,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:20,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 36 proven. 270 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:20,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 36 proven. 270 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:20,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045019124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:20,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:20,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 14 [2024-11-19 11:16:20,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533124040] [2024-11-19 11:16:20,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:20,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 11:16:20,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:20,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 11:16:20,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:16:20,643 INFO L87 Difference]: Start difference. First operand 184 states and 294 transitions. Second operand has 15 states, 14 states have (on average 8.571428571428571) internal successors, (120), 15 states have internal predecessors, (120), 8 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 8 states have call predecessors, (292), 8 states have call successors, (292) [2024-11-19 11:16:21,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:21,518 INFO L93 Difference]: Finished difference Result 196 states and 310 transitions. [2024-11-19 11:16:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 11:16:21,519 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.571428571428571) internal successors, (120), 15 states have internal predecessors, (120), 8 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 8 states have call predecessors, (292), 8 states have call successors, (292) Word has length 557 [2024-11-19 11:16:21,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:21,521 INFO L225 Difference]: With dead ends: 196 [2024-11-19 11:16:21,522 INFO L226 Difference]: Without dead ends: 195 [2024-11-19 11:16:21,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1109 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2024-11-19 11:16:21,524 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 72 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:21,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 1549 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 11:16:21,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-19 11:16:21,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 183. [2024-11-19 11:16:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 70 states have (on average 1.1857142857142857) internal successors, (83), 76 states have internal predecessors, (83), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 293 transitions. [2024-11-19 11:16:21,552 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 293 transitions. Word has length 557 [2024-11-19 11:16:21,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:21,553 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 293 transitions. [2024-11-19 11:16:21,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.571428571428571) internal successors, (120), 15 states have internal predecessors, (120), 8 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 8 states have call predecessors, (292), 8 states have call successors, (292) [2024-11-19 11:16:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 293 transitions. [2024-11-19 11:16:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-19 11:16:21,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:21,557 INFO L215 NwaCegarLoop]: trace histogram [103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:21,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 11:16:21,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:21,758 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:21,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:21,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1386038052, now seen corresponding path program 1 times [2024-11-19 11:16:21,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:21,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991625360] [2024-11-19 11:16:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 30 proven. 276 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2024-11-19 11:16:21,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:21,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991625360] [2024-11-19 11:16:21,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991625360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:21,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490396139] [2024-11-19 11:16:21,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:21,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:21,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:21,990 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:21,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 11:16:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:22,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:22,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 432 proven. 756 refuted. 0 times theorem prover too weak. 19824 trivial. 0 not checked. [2024-11-19 11:16:22,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 432 proven. 756 refuted. 0 times theorem prover too weak. 19824 trivial. 0 not checked. [2024-11-19 11:16:22,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490396139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:22,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:22,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2024-11-19 11:16:22,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85317932] [2024-11-19 11:16:22,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:22,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 11:16:22,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 11:16:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-19 11:16:22,970 INFO L87 Difference]: Start difference. First operand 183 states and 293 transitions. Second operand has 21 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 11 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (293), 10 states have call predecessors, (293), 11 states have call successors, (293) [2024-11-19 11:16:23,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:23,651 INFO L93 Difference]: Finished difference Result 187 states and 298 transitions. [2024-11-19 11:16:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:23,651 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 11 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (293), 10 states have call predecessors, (293), 11 states have call successors, (293) Word has length 560 [2024-11-19 11:16:23,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:23,653 INFO L225 Difference]: With dead ends: 187 [2024-11-19 11:16:23,653 INFO L226 Difference]: Without dead ends: 186 [2024-11-19 11:16:23,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1104 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2024-11-19 11:16:23,654 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 153 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:23,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1679 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-19 11:16:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 182. [2024-11-19 11:16:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 75 states have internal predecessors, (82), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 292 transitions. [2024-11-19 11:16:23,673 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 292 transitions. Word has length 560 [2024-11-19 11:16:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:23,673 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 292 transitions. [2024-11-19 11:16:23,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 11 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (293), 10 states have call predecessors, (293), 11 states have call successors, (293) [2024-11-19 11:16:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 292 transitions. [2024-11-19 11:16:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2024-11-19 11:16:23,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:23,686 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:23,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:23,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:23,887 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:23,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1864860491, now seen corresponding path program 1 times [2024-11-19 11:16:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:23,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619563622] [2024-11-19 11:16:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2024-11-19 11:16:24,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:24,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619563622] [2024-11-19 11:16:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619563622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640466240] [2024-11-19 11:16:24,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:24,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:24,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:24,100 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:24,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 11:16:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:24,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:24,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 453 proven. 747 refuted. 0 times theorem prover too weak. 20224 trivial. 0 not checked. [2024-11-19 11:16:24,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 453 proven. 747 refuted. 0 times theorem prover too weak. 20224 trivial. 0 not checked. [2024-11-19 11:16:25,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640466240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:25,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:25,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:25,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485302426] [2024-11-19 11:16:25,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:25,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:25,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:25,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:25,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:25,021 INFO L87 Difference]: Start difference. First operand 182 states and 292 transitions. Second operand has 20 states, 18 states have (on average 7.166666666666667) internal successors, (129), 17 states have internal predecessors, (129), 11 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (292), 11 states have call predecessors, (292), 11 states have call successors, (292) [2024-11-19 11:16:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:25,524 INFO L93 Difference]: Finished difference Result 186 states and 299 transitions. [2024-11-19 11:16:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.166666666666667) internal successors, (129), 17 states have internal predecessors, (129), 11 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (292), 11 states have call predecessors, (292), 11 states have call successors, (292) Word has length 565 [2024-11-19 11:16:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:25,527 INFO L225 Difference]: With dead ends: 186 [2024-11-19 11:16:25,527 INFO L226 Difference]: Without dead ends: 185 [2024-11-19 11:16:25,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:25,527 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 114 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:25,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1752 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:25,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-19 11:16:25,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 181. [2024-11-19 11:16:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 70 states have (on average 1.1571428571428573) internal successors, (81), 74 states have internal predecessors, (81), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 291 transitions. [2024-11-19 11:16:25,547 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 291 transitions. Word has length 565 [2024-11-19 11:16:25,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:25,548 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 291 transitions. [2024-11-19 11:16:25,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.166666666666667) internal successors, (129), 17 states have internal predecessors, (129), 11 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (292), 11 states have call predecessors, (292), 11 states have call successors, (292) [2024-11-19 11:16:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 291 transitions. [2024-11-19 11:16:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2024-11-19 11:16:25,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:25,551 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:25,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:25,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 11:16:25,751 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:25,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1976100621, now seen corresponding path program 1 times [2024-11-19 11:16:25,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:25,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618314441] [2024-11-19 11:16:25,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:25,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 42 proven. 267 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2024-11-19 11:16:26,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:26,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618314441] [2024-11-19 11:16:26,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618314441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:26,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033550892] [2024-11-19 11:16:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:26,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:26,116 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:26,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 11:16:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:26,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:26,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 42 proven. 267 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2024-11-19 11:16:26,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 42 proven. 267 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2024-11-19 11:16:26,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033550892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:26,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:26,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 16 [2024-11-19 11:16:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536717674] [2024-11-19 11:16:26,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:26,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 11:16:26,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:26,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 11:16:26,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-19 11:16:26,779 INFO L87 Difference]: Start difference. First operand 181 states and 291 transitions. Second operand has 17 states, 16 states have (on average 8.1875) internal successors, (131), 17 states have internal predecessors, (131), 9 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (293), 9 states have call predecessors, (293), 9 states have call successors, (293) [2024-11-19 11:16:27,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:27,654 INFO L93 Difference]: Finished difference Result 200 states and 316 transitions. [2024-11-19 11:16:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 11:16:27,655 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.1875) internal successors, (131), 17 states have internal predecessors, (131), 9 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (293), 9 states have call predecessors, (293), 9 states have call successors, (293) Word has length 566 [2024-11-19 11:16:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:27,657 INFO L225 Difference]: With dead ends: 200 [2024-11-19 11:16:27,657 INFO L226 Difference]: Without dead ends: 199 [2024-11-19 11:16:27,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1156 GetRequests, 1127 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:16:27,658 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 87 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:27,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1792 Invalid, 2268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 11:16:27,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-19 11:16:27,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 180. [2024-11-19 11:16:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 73 states have internal predecessors, (80), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 290 transitions. [2024-11-19 11:16:27,697 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 290 transitions. Word has length 566 [2024-11-19 11:16:27,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:27,697 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 290 transitions. [2024-11-19 11:16:27,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.1875) internal successors, (131), 17 states have internal predecessors, (131), 9 states have call successors, (292), 1 states have call predecessors, (292), 2 states have return successors, (293), 9 states have call predecessors, (293), 9 states have call successors, (293) [2024-11-19 11:16:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2024-11-19 11:16:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2024-11-19 11:16:27,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:27,700 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:27,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 11:16:27,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 11:16:27,901 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:27,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1102874766, now seen corresponding path program 1 times [2024-11-19 11:16:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882425013] [2024-11-19 11:16:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:28,227 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 78 proven. 534 refuted. 0 times theorem prover too weak. 20812 trivial. 0 not checked. [2024-11-19 11:16:28,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:28,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882425013] [2024-11-19 11:16:28,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882425013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:28,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907833917] [2024-11-19 11:16:28,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:28,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:28,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:28,229 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:28,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 11:16:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:28,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:16:28,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2024-11-19 11:16:28,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2024-11-19 11:16:28,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907833917] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:28,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:28,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:16:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127129113] [2024-11-19 11:16:28,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:28,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:16:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:28,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:16:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:28,965 INFO L87 Difference]: Start difference. First operand 180 states and 290 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 5 states have call successors, (284), 1 states have call predecessors, (284), 2 states have return successors, (284), 5 states have call predecessors, (284), 5 states have call successors, (284) [2024-11-19 11:16:29,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:29,378 INFO L93 Difference]: Finished difference Result 180 states and 290 transitions. [2024-11-19 11:16:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:16:29,379 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 5 states have call successors, (284), 1 states have call predecessors, (284), 2 states have return successors, (284), 5 states have call predecessors, (284), 5 states have call successors, (284) Word has length 569 [2024-11-19 11:16:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:29,380 INFO L225 Difference]: With dead ends: 180 [2024-11-19 11:16:29,380 INFO L226 Difference]: Without dead ends: 179 [2024-11-19 11:16:29,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 1134 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:16:29,381 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 54 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:29,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 868 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:29,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-19 11:16:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-19 11:16:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 72 states have internal predecessors, (79), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 289 transitions. [2024-11-19 11:16:29,404 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 289 transitions. Word has length 569 [2024-11-19 11:16:29,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:29,404 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 289 transitions. [2024-11-19 11:16:29,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 5 states have call successors, (284), 1 states have call predecessors, (284), 2 states have return successors, (284), 5 states have call predecessors, (284), 5 states have call successors, (284) [2024-11-19 11:16:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2024-11-19 11:16:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-19 11:16:29,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:29,407 INFO L215 NwaCegarLoop]: trace histogram [105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:29,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-19 11:16:29,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:29,608 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:29,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:29,610 INFO L85 PathProgramCache]: Analyzing trace with hash 935206417, now seen corresponding path program 1 times [2024-11-19 11:16:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126745952] [2024-11-19 11:16:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 42 proven. 270 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2024-11-19 11:16:29,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126745952] [2024-11-19 11:16:29,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126745952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661005030] [2024-11-19 11:16:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:29,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:29,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:29,842 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:29,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 11:16:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:29,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:29,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 474 proven. 738 refuted. 0 times theorem prover too weak. 20628 trivial. 0 not checked. [2024-11-19 11:16:30,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 474 proven. 738 refuted. 0 times theorem prover too weak. 20628 trivial. 0 not checked. [2024-11-19 11:16:30,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661005030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:30,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:30,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:30,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573000178] [2024-11-19 11:16:30,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:30,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:30,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:30,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:30,839 INFO L87 Difference]: Start difference. First operand 179 states and 289 transitions. Second operand has 20 states, 18 states have (on average 7.722222222222222) internal successors, (139), 17 states have internal predecessors, (139), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 11 states have call predecessors, (291), 11 states have call successors, (291) [2024-11-19 11:16:31,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:31,371 INFO L93 Difference]: Finished difference Result 183 states and 296 transitions. [2024-11-19 11:16:31,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:31,372 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.722222222222222) internal successors, (139), 17 states have internal predecessors, (139), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 11 states have call predecessors, (291), 11 states have call successors, (291) Word has length 574 [2024-11-19 11:16:31,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:31,374 INFO L225 Difference]: With dead ends: 183 [2024-11-19 11:16:31,374 INFO L226 Difference]: Without dead ends: 182 [2024-11-19 11:16:31,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1158 GetRequests, 1133 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:31,375 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 197 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:31,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1347 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-19 11:16:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2024-11-19 11:16:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 70 states have (on average 1.1142857142857143) internal successors, (78), 71 states have internal predecessors, (78), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 288 transitions. [2024-11-19 11:16:31,400 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 288 transitions. Word has length 574 [2024-11-19 11:16:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:31,400 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 288 transitions. [2024-11-19 11:16:31,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.722222222222222) internal successors, (139), 17 states have internal predecessors, (139), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 11 states have call predecessors, (291), 11 states have call successors, (291) [2024-11-19 11:16:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 288 transitions. [2024-11-19 11:16:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 11:16:31,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:31,403 INFO L215 NwaCegarLoop]: trace histogram [105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:31,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 11:16:31,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:31,604 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:31,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:31,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1073371881, now seen corresponding path program 1 times [2024-11-19 11:16:31,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:31,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216703195] [2024-11-19 11:16:31,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:31,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 48 proven. 264 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2024-11-19 11:16:32,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:32,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216703195] [2024-11-19 11:16:32,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216703195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:32,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854143943] [2024-11-19 11:16:32,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:32,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:32,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:32,044 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:32,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 11:16:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:32,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:32,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 48 proven. 264 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2024-11-19 11:16:32,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 48 proven. 264 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2024-11-19 11:16:32,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854143943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:32,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:32,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 18 [2024-11-19 11:16:32,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067998614] [2024-11-19 11:16:32,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:32,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 11:16:32,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:32,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 11:16:32,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-11-19 11:16:32,777 INFO L87 Difference]: Start difference. First operand 178 states and 288 transitions. Second operand has 19 states, 18 states have (on average 7.888888888888889) internal successors, (142), 19 states have internal predecessors, (142), 10 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (294), 10 states have call predecessors, (294), 10 states have call successors, (294) [2024-11-19 11:16:33,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:33,808 INFO L93 Difference]: Finished difference Result 204 states and 322 transitions. [2024-11-19 11:16:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 11:16:33,808 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.888888888888889) internal successors, (142), 19 states have internal predecessors, (142), 10 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (294), 10 states have call predecessors, (294), 10 states have call successors, (294) Word has length 575 [2024-11-19 11:16:33,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:33,810 INFO L225 Difference]: With dead ends: 204 [2024-11-19 11:16:33,810 INFO L226 Difference]: Without dead ends: 203 [2024-11-19 11:16:33,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1179 GetRequests, 1145 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=1038, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 11:16:33,811 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 105 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:33,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1969 Invalid, 2572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 11:16:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-19 11:16:33,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 177. [2024-11-19 11:16:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 70 states have (on average 1.1) internal successors, (77), 70 states have internal predecessors, (77), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 11:16:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 287 transitions. [2024-11-19 11:16:33,837 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 287 transitions. Word has length 575 [2024-11-19 11:16:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:33,838 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 287 transitions. [2024-11-19 11:16:33,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.888888888888889) internal successors, (142), 19 states have internal predecessors, (142), 10 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (294), 10 states have call predecessors, (294), 10 states have call successors, (294) [2024-11-19 11:16:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2024-11-19 11:16:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-11-19 11:16:33,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:33,841 INFO L215 NwaCegarLoop]: trace histogram [105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:33,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:34,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-19 11:16:34,041 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 11:16:34,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:34,042 INFO L85 PathProgramCache]: Analyzing trace with hash -789920968, now seen corresponding path program 1 times [2024-11-19 11:16:34,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:34,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334599836] [2024-11-19 11:16:34,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:34,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 42 proven. 270 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2024-11-19 11:16:34,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:34,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334599836] [2024-11-19 11:16:34,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334599836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:34,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46324030] [2024-11-19 11:16:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:34,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:34,256 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:34,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 11:16:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:34,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:34,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 474 proven. 738 refuted. 0 times theorem prover too weak. 20628 trivial. 0 not checked. [2024-11-19 11:16:34,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 474 proven. 738 refuted. 0 times theorem prover too weak. 20628 trivial. 0 not checked. [2024-11-19 11:16:35,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46324030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:35,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:35,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2024-11-19 11:16:35,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700395710] [2024-11-19 11:16:35,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:35,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 11:16:35,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:35,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 11:16:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-19 11:16:35,229 INFO L87 Difference]: Start difference. First operand 177 states and 287 transitions. Second operand has 21 states, 19 states have (on average 7.684210526315789) internal successors, (146), 20 states have internal predecessors, (146), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 10 states have call predecessors, (291), 11 states have call successors, (291) [2024-11-19 11:16:35,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:35,874 INFO L93 Difference]: Finished difference Result 181 states and 292 transitions. [2024-11-19 11:16:35,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:35,875 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.684210526315789) internal successors, (146), 20 states have internal predecessors, (146), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 10 states have call predecessors, (291), 11 states have call successors, (291) Word has length 578 [2024-11-19 11:16:35,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:35,876 INFO L225 Difference]: With dead ends: 181 [2024-11-19 11:16:35,876 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 11:16:35,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1140 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2024-11-19 11:16:35,877 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 183 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:35,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1700 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:35,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 11:16:35,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 11:16:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:16:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 11:16:35,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 578 [2024-11-19 11:16:35,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:35,878 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 11:16:35,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.684210526315789) internal successors, (146), 20 states have internal predecessors, (146), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 10 states have call predecessors, (291), 11 states have call successors, (291) [2024-11-19 11:16:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 11:16:35,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 11:16:35,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2024-11-19 11:16:35,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2024-11-19 11:16:35,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2024-11-19 11:16:35,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2024-11-19 11:16:35,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2024-11-19 11:16:35,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2024-11-19 11:16:35,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2024-11-19 11:16:35,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2024-11-19 11:16:35,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-19 11:16:36,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 11:16:36,089 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:36,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 11:16:41,841 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 11:16:41,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:16:41 BoogieIcfgContainer [2024-11-19 11:16:41,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:16:41,860 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:16:41,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:16:41,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:16:41,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:44" (3/4) ... [2024-11-19 11:16:41,862 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:16:41,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume [2024-11-19 11:16:41,875 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 11:16:41,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 11:16:41,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 11:16:41,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:16:41,985 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:16:41,986 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:16:41,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:16:41,986 INFO L158 Benchmark]: Toolchain (without parser) took 58009.97ms. Allocated memory was 174.1MB in the beginning and 755.0MB in the end (delta: 580.9MB). Free memory was 96.4MB in the beginning and 514.5MB in the end (delta: -418.0MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,986 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 174.1MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:16:41,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.25ms. Allocated memory is still 174.1MB. Free memory was 96.3MB in the beginning and 135.1MB in the end (delta: -38.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.22ms. Allocated memory is still 174.1MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,987 INFO L158 Benchmark]: Boogie Preprocessor took 34.28ms. Allocated memory is still 174.1MB. Free memory was 133.0MB in the beginning and 130.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,987 INFO L158 Benchmark]: RCFGBuilder took 603.38ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 121.2MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,987 INFO L158 Benchmark]: TraceAbstraction took 56885.39ms. Allocated memory was 174.1MB in the beginning and 755.0MB in the end (delta: 580.9MB). Free memory was 121.2MB in the beginning and 523.9MB in the end (delta: -402.7MB). Peak memory consumption was 446.9MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,987 INFO L158 Benchmark]: Witness Printer took 125.83ms. Allocated memory is still 755.0MB. Free memory was 523.9MB in the beginning and 514.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 11:16:41,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 174.1MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.25ms. Allocated memory is still 174.1MB. Free memory was 96.3MB in the beginning and 135.1MB in the end (delta: -38.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.22ms. Allocated memory is still 174.1MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.28ms. Allocated memory is still 174.1MB. Free memory was 133.0MB in the beginning and 130.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.38ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 121.2MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 56885.39ms. Allocated memory was 174.1MB in the beginning and 755.0MB in the end (delta: 580.9MB). Free memory was 121.2MB in the beginning and 523.9MB in the end (delta: -402.7MB). Peak memory consumption was 446.9MB. Max. memory is 16.1GB. * Witness Printer took 125.83ms. Allocated memory is still 755.0MB. Free memory was 523.9MB in the beginning and 514.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 161]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 161]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 164]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 164]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 165]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 165]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 167]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 167]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 168]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 168]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 170]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 170]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 171]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 171]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 173]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 173]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 174]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 174]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 176]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 176]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 179]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 179]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 180]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 180]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 182]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 182]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 215 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 51.1s, OverallIterations: 26, TraceHistogramMax: 105, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1825 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1825 mSDsluCounter, 36009 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31082 mSDsCounter, 2169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26362 IncrementalHoareTripleChecker+Invalid, 28531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2169 mSolverCounterUnsat, 4927 mSDtfsCounter, 26362 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26893 GetRequests, 26404 SyntacticMatches, 13 SemanticMatches, 476 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1347 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=0, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 26 MinimizatonAttempts, 102 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 25.4s InterpolantComputationTime, 27656 NumberOfCodeBlocks, 27656 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 40641 ConstructedInterpolants, 0 QuantifiedInterpolants, 93203 SizeOfPredicates, 70 NumberOfNonLiveVariables, 25143 ConjunctsInSsa, 364 ConjunctsInUnsatCore, 75 InterpolantComputations, 2 PerfectInterpolantSequences, 1494106/1526700 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold - ProcedureContractResult [Line: 19]: Procedure Contract for assume Derived contract for procedure assume. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-19 11:16:42,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE