./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-1.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0b12653f6fa3db43ddf9a1a43787bd2cd7fe91d3e4035502f1ea10705d9c83a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:15:48,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:15:48,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:15:48,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:15:48,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:15:48,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:15:48,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:15:48,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:15:48,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:15:48,903 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:15:48,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:15:48,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:15:48,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:15:48,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:15:48,905 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:15:48,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:15:48,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:15:48,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:15:48,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:15:48,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:15:48,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:15:48,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:15:48,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:15:48,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:15:48,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:15:48,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:15:48,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:15:48,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:15:48,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:15:48,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:15:48,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:15:48,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:15:48,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:15:48,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:15:48,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:15:48,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:15:48,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:15:48,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:15:48,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:15:48,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:15:48,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:15:48,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:15:48,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:15:48,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:15:48,915 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b12653f6fa3db43ddf9a1a43787bd2cd7fe91d3e4035502f1ea10705d9c83a6 [2024-10-11 21:15:49,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:15:49,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:15:49,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:15:49,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:15:49,203 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:15:49,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-1.c [2024-10-11 21:15:50,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:15:50,831 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:15:50,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-1.c [2024-10-11 21:15:50,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3f502b116/8f61f43c537947489e9b2171167e49be/FLAGa352405cf [2024-10-11 21:15:50,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3f502b116/8f61f43c537947489e9b2171167e49be [2024-10-11 21:15:50,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:15:50,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:15:50,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:15:50,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:15:50,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:15:50,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:15:50" (1/1) ... [2024-10-11 21:15:50,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5e8051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:50, skipping insertion in model container [2024-10-11 21:15:50,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:15:50" (1/1) ... [2024-10-11 21:15:50,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:15:51,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:15:51,126 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:15:51,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:15:51,210 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:15:51,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51 WrapperNode [2024-10-11 21:15:51,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:15:51,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:15:51,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:15:51,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:15:51,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,241 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-10-11 21:15:51,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:15:51,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:15:51,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:15:51,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:15:51,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,267 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 21:15:51,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:15:51,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:15:51,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:15:51,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:15:51,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (1/1) ... [2024-10-11 21:15:51,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:15:51,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:51,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:15:51,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:15:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:15:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:15:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:15:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-10-11 21:15:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-10-11 21:15:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:15:51,405 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:15:51,407 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:15:51,515 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 21:15:51,515 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:15:51,545 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:15:51,546 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 21:15:51,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:15:51 BoogieIcfgContainer [2024-10-11 21:15:51,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:15:51,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:15:51,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:15:51,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:15:51,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:15:50" (1/3) ... [2024-10-11 21:15:51,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4784b73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:15:51, skipping insertion in model container [2024-10-11 21:15:51,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:51" (2/3) ... [2024-10-11 21:15:51,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4784b73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:15:51, skipping insertion in model container [2024-10-11 21:15:51,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:15:51" (3/3) ... [2024-10-11 21:15:51,554 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_20x0-1.c [2024-10-11 21:15:51,569 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:15:51,570 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 21:15:51,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:15:51,640 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;@482cf397, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:15:51,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 21:15:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 16 states have (on average 1.625) internal successors, (26), 24 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:15:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 21:15:51,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:51,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 21:15:51,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:51,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:51,661 INFO L85 PathProgramCache]: Analyzing trace with hash 71429977, now seen corresponding path program 1 times [2024-10-11 21:15:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:51,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626278387] [2024-10-11 21:15:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:51,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:51,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:51,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626278387] [2024-10-11 21:15:51,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626278387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:51,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:51,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 21:15:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460699182] [2024-10-11 21:15:51,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:51,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:15:51,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:51,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:15:51,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:15:51,900 INFO L87 Difference]: Start difference. First operand has 28 states, 16 states have (on average 1.625) internal successors, (26), 24 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:52,038 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2024-10-11 21:15:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:15:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 21:15:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:52,049 INFO L225 Difference]: With dead ends: 56 [2024-10-11 21:15:52,049 INFO L226 Difference]: Without dead ends: 38 [2024-10-11 21:15:52,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:15:52,054 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 23 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:52,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 59 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:15:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-11 21:15:52,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-10-11 21:15:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.5) internal successors, (33), 29 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:15:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-10-11 21:15:52,086 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 5 [2024-10-11 21:15:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:52,087 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-10-11 21:15:52,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-10-11 21:15:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 21:15:52,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:52,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 21:15:52,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:15:52,088 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:52,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -2080632986, now seen corresponding path program 1 times [2024-10-11 21:15:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:52,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358104507] [2024-10-11 21:15:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:52,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358104507] [2024-10-11 21:15:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358104507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:52,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:52,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:15:52,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590461920] [2024-10-11 21:15:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:52,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:15:52,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:52,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:15:52,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:15:52,181 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:52,260 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2024-10-11 21:15:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:15:52,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 21:15:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:52,263 INFO L225 Difference]: With dead ends: 37 [2024-10-11 21:15:52,263 INFO L226 Difference]: Without dead ends: 36 [2024-10-11 21:15:52,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:15:52,264 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 27 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:52,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 22 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:15:52,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-11 21:15:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2024-10-11 21:15:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:15:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2024-10-11 21:15:52,273 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 6 [2024-10-11 21:15:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:52,274 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2024-10-11 21:15:52,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-10-11 21:15:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 21:15:52,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:52,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:15:52,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:15:52,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:52,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:52,276 INFO L85 PathProgramCache]: Analyzing trace with hash -75113061, now seen corresponding path program 1 times [2024-10-11 21:15:52,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:52,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798596324] [2024-10-11 21:15:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:52,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:52,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798596324] [2024-10-11 21:15:52,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798596324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:52,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:52,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:15:52,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555493800] [2024-10-11 21:15:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:52,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:15:52,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:52,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:15:52,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:15:52,367 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:52,435 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-10-11 21:15:52,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:15:52,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 21:15:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:52,437 INFO L225 Difference]: With dead ends: 36 [2024-10-11 21:15:52,437 INFO L226 Difference]: Without dead ends: 34 [2024-10-11 21:15:52,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:15:52,440 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:52,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 61 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:15:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-11 21:15:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-11 21:15:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:15:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-10-11 21:15:52,450 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 7 [2024-10-11 21:15:52,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:52,450 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-10-11 21:15:52,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-10-11 21:15:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 21:15:52,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:52,451 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:15:52,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:15:52,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:52,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:52,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1695709356, now seen corresponding path program 1 times [2024-10-11 21:15:52,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:52,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117858424] [2024-10-11 21:15:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:52,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:52,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:52,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117858424] [2024-10-11 21:15:52,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117858424] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:52,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508071096] [2024-10-11 21:15:52,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:52,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:52,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:52,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:52,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:15:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:52,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:15:52,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:52,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:52,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508071096] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:52,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:52,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 21:15:52,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649517904] [2024-10-11 21:15:52,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:52,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:15:52,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:52,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:15:52,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:15:52,781 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:52,945 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2024-10-11 21:15:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:15:52,945 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-11 21:15:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:52,947 INFO L225 Difference]: With dead ends: 87 [2024-10-11 21:15:52,947 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 21:15:52,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:15:52,948 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 96 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:52,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 109 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:15:52,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 21:15:52,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2024-10-11 21:15:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 51 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:15:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2024-10-11 21:15:52,962 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 12 [2024-10-11 21:15:52,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:52,962 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2024-10-11 21:15:52,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2024-10-11 21:15:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 21:15:52,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:52,963 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 21:15:52,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 21:15:53,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:53,164 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:53,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:53,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1783930154, now seen corresponding path program 1 times [2024-10-11 21:15:53,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:53,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820595232] [2024-10-11 21:15:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:53,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:53,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820595232] [2024-10-11 21:15:53,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820595232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:53,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810269943] [2024-10-11 21:15:53,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:53,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:53,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:53,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:53,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:15:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:53,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:15:53,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:53,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:15:53,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810269943] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:53,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:15:53,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2024-10-11 21:15:53,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650812801] [2024-10-11 21:15:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:53,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:15:53,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:15:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:15:53,405 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:53,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:53,468 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2024-10-11 21:15:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:15:53,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 21:15:53,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:53,470 INFO L225 Difference]: With dead ends: 65 [2024-10-11 21:15:53,471 INFO L226 Difference]: Without dead ends: 64 [2024-10-11 21:15:53,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:15:53,472 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:53,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 44 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:15:53,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-11 21:15:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-10-11 21:15:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.173913043478261) internal successors, (54), 50 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:15:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2024-10-11 21:15:53,489 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 14 [2024-10-11 21:15:53,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:53,490 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2024-10-11 21:15:53,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2024-10-11 21:15:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 21:15:53,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:53,491 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 21:15:53,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 21:15:53,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:53,696 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:53,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:53,696 INFO L85 PathProgramCache]: Analyzing trace with hash 532740141, now seen corresponding path program 1 times [2024-10-11 21:15:53,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:53,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717251519] [2024-10-11 21:15:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:53,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:53,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:53,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717251519] [2024-10-11 21:15:53,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717251519] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:53,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621315617] [2024-10-11 21:15:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:53,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:53,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:53,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:53,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:15:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:53,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:15:53,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:53,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:53,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621315617] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:53,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:53,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-11 21:15:53,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087381561] [2024-10-11 21:15:53,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:53,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 21:15:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:53,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 21:15:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:15:53,938 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 15 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:54,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:54,075 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2024-10-11 21:15:54,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:15:54,076 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-11 21:15:54,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:54,077 INFO L225 Difference]: With dead ends: 65 [2024-10-11 21:15:54,077 INFO L226 Difference]: Without dead ends: 64 [2024-10-11 21:15:54,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:15:54,078 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 84 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:54,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 104 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:15:54,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-11 21:15:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-10-11 21:15:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.108695652173913) internal successors, (51), 50 states have internal predecessors, (51), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:15:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2024-10-11 21:15:54,089 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 15 [2024-10-11 21:15:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:54,089 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2024-10-11 21:15:54,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2024-10-11 21:15:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 21:15:54,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:54,091 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-11 21:15:54,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:15:54,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:54,292 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:54,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:54,293 INFO L85 PathProgramCache]: Analyzing trace with hash 381703833, now seen corresponding path program 2 times [2024-10-11 21:15:54,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:54,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303789321] [2024-10-11 21:15:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:54,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:54,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:54,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303789321] [2024-10-11 21:15:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303789321] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080965448] [2024-10-11 21:15:54,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:15:54,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:54,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:54,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:54,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:15:54,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:15:54,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:54,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:15:54,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:54,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:54,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080965448] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:54,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:54,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-11 21:15:54,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759854080] [2024-10-11 21:15:54,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:54,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 21:15:54,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:54,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 21:15:54,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:15:54,816 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand has 24 states, 22 states have (on average 2.5) internal successors, (55), 13 states have internal predecessors, (55), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:55,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:55,115 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2024-10-11 21:15:55,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 21:15:55,116 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 2.5) internal successors, (55), 13 states have internal predecessors, (55), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-10-11 21:15:55,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:55,117 INFO L225 Difference]: With dead ends: 154 [2024-10-11 21:15:55,117 INFO L226 Difference]: Without dead ends: 130 [2024-10-11 21:15:55,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 21:15:55,119 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 182 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:55,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 229 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-11 21:15:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 122. [2024-10-11 21:15:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 94 states have (on average 1.1170212765957446) internal successors, (105), 98 states have internal predecessors, (105), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 21:15:55,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2024-10-11 21:15:55,141 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 33 [2024-10-11 21:15:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:55,141 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2024-10-11 21:15:55,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 2.5) internal successors, (55), 13 states have internal predecessors, (55), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2024-10-11 21:15:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 21:15:55,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:55,143 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-10-11 21:15:55,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 21:15:55,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 21:15:55,348 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:55,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:55,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1729681720, now seen corresponding path program 2 times [2024-10-11 21:15:55,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:55,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806532] [2024-10-11 21:15:55,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:55,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:55,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:55,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806532] [2024-10-11 21:15:55,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806532] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:55,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118272789] [2024-10-11 21:15:55,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:15:55,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:55,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:55,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:15:55,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:15:55,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:55,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:15:55,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:55,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:55,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118272789] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:55,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:55,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-10-11 21:15:55,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5610532] [2024-10-11 21:15:55,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:55,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-11 21:15:55,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:55,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-11 21:15:55,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-10-11 21:15:55,846 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand has 27 states, 23 states have (on average 3.0) internal successors, (69), 15 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:56,151 INFO L93 Difference]: Finished difference Result 125 states and 132 transitions. [2024-10-11 21:15:56,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 21:15:56,151 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 3.0) internal successors, (69), 15 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-10-11 21:15:56,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:56,153 INFO L225 Difference]: With dead ends: 125 [2024-10-11 21:15:56,153 INFO L226 Difference]: Without dead ends: 124 [2024-10-11 21:15:56,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 21:15:56,155 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 216 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:56,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 303 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-11 21:15:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-10-11 21:15:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 94 states have (on average 1.053191489361702) internal successors, (99), 98 states have internal predecessors, (99), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 21:15:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2024-10-11 21:15:56,178 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 36 [2024-10-11 21:15:56,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:56,178 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2024-10-11 21:15:56,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 3.0) internal successors, (69), 15 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2024-10-11 21:15:56,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 21:15:56,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:56,181 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-11 21:15:56,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 21:15:56,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:56,386 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:56,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:56,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1050877305, now seen corresponding path program 3 times [2024-10-11 21:15:56,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:56,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710818214] [2024-10-11 21:15:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:56,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:56,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:56,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710818214] [2024-10-11 21:15:56,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710818214] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:56,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427407928] [2024-10-11 21:15:56,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:15:56,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:56,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:56,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:56,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:15:56,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 21:15:56,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:56,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 21:15:56,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-10-11 21:15:57,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:15:57,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427407928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:57,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:15:57,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 29 [2024-10-11 21:15:57,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014806815] [2024-10-11 21:15:57,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:57,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:15:57,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:57,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:15:57,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2024-10-11 21:15:57,076 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:57,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:57,195 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-10-11 21:15:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:15:57,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-11 21:15:57,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:57,198 INFO L225 Difference]: With dead ends: 124 [2024-10-11 21:15:57,198 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 21:15:57,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2024-10-11 21:15:57,199 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:57,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 49 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:15:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 21:15:57,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2024-10-11 21:15:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.0425531914893618) internal successors, (98), 97 states have internal predecessors, (98), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 21:15:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2024-10-11 21:15:57,220 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 75 [2024-10-11 21:15:57,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:57,221 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2024-10-11 21:15:57,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2024-10-11 21:15:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 21:15:57,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:57,225 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-10-11 21:15:57,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:15:57,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 21:15:57,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:15:57,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1782541855, now seen corresponding path program 1 times [2024-10-11 21:15:57,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:57,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968631068] [2024-10-11 21:15:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:57,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:57,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968631068] [2024-10-11 21:15:57,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968631068] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:57,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634255235] [2024-10-11 21:15:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:57,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:57,876 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:15:57,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 21:15:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:57,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 21:15:57,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:58,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:59,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634255235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:59,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:59,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 67 [2024-10-11 21:15:59,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757704768] [2024-10-11 21:15:59,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:59,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-11 21:15:59,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:59,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-11 21:15:59,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=3932, Unknown=0, NotChecked=0, Total=4556 [2024-10-11 21:15:59,342 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand has 68 states, 65 states have (on average 2.8615384615384616) internal successors, (186), 36 states have internal predecessors, (186), 32 states have call successors, (32), 31 states have call predecessors, (32), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:00,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:16:00,745 INFO L93 Difference]: Finished difference Result 273 states and 294 transitions. [2024-10-11 21:16:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-11 21:16:00,746 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 65 states have (on average 2.8615384615384616) internal successors, (186), 36 states have internal predecessors, (186), 32 states have call successors, (32), 31 states have call predecessors, (32), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-11 21:16:00,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:16:00,748 INFO L225 Difference]: With dead ends: 273 [2024-10-11 21:16:00,748 INFO L226 Difference]: Without dead ends: 231 [2024-10-11 21:16:00,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 104 SyntacticMatches, 4 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2333 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1785, Invalid=8115, Unknown=0, NotChecked=0, Total=9900 [2024-10-11 21:16:00,751 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 645 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:16:00,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 868 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:16:00,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-11 21:16:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 220. [2024-10-11 21:16:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 174 states have (on average 1.0689655172413792) internal successors, (186), 176 states have internal predecessors, (186), 22 states have call successors, (22), 21 states have call predecessors, (22), 21 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 21:16:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 230 transitions. [2024-10-11 21:16:00,772 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 230 transitions. Word has length 76 [2024-10-11 21:16:00,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:16:00,774 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 230 transitions. [2024-10-11 21:16:00,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 65 states have (on average 2.8615384615384616) internal successors, (186), 36 states have internal predecessors, (186), 32 states have call successors, (32), 31 states have call predecessors, (32), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 230 transitions. [2024-10-11 21:16:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 21:16:00,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:16:00,776 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1] [2024-10-11 21:16:00,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 21:16:00,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:16:00,981 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:16:00,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:16:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1234632269, now seen corresponding path program 3 times [2024-10-11 21:16:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:16:00,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078619785] [2024-10-11 21:16:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:16:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:16:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:16:01,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:16:01,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078619785] [2024-10-11 21:16:01,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078619785] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:16:01,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153065012] [2024-10-11 21:16:01,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:16:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:16:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:16:01,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:16:01,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 21:16:01,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-11 21:16:01,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:16:01,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 21:16:01,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:16:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:16:01,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:16:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:16:02,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153065012] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:16:02,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:16:02,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 53 [2024-10-11 21:16:02,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254682369] [2024-10-11 21:16:02,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:16:02,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-11 21:16:02,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:16:02,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-11 21:16:02,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2024-10-11 21:16:02,387 INFO L87 Difference]: Start difference. First operand 220 states and 230 transitions. Second operand has 55 states, 51 states have (on average 3.0) internal successors, (153), 29 states have internal predecessors, (153), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:16:03,285 INFO L93 Difference]: Finished difference Result 283 states and 301 transitions. [2024-10-11 21:16:03,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-11 21:16:03,286 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 51 states have (on average 3.0) internal successors, (153), 29 states have internal predecessors, (153), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-11 21:16:03,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:16:03,288 INFO L225 Difference]: With dead ends: 283 [2024-10-11 21:16:03,290 INFO L226 Difference]: Without dead ends: 282 [2024-10-11 21:16:03,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1636, Invalid=4526, Unknown=0, NotChecked=0, Total=6162 [2024-10-11 21:16:03,292 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 444 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:16:03,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 662 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:16:03,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-10-11 21:16:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 268. [2024-10-11 21:16:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 214 states have (on average 1.0514018691588785) internal successors, (225), 216 states have internal predecessors, (225), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-11 21:16:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 277 transitions. [2024-10-11 21:16:03,318 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 277 transitions. Word has length 85 [2024-10-11 21:16:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:16:03,319 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 277 transitions. [2024-10-11 21:16:03,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 51 states have (on average 3.0) internal successors, (153), 29 states have internal predecessors, (153), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 277 transitions. [2024-10-11 21:16:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-11 21:16:03,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:16:03,324 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1] [2024-10-11 21:16:03,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 21:16:03,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 21:16:03,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:16:03,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:16:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1511407553, now seen corresponding path program 2 times [2024-10-11 21:16:03,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:16:03,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129046985] [2024-10-11 21:16:03,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:16:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:16:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:16:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:16:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129046985] [2024-10-11 21:16:04,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129046985] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:16:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428686854] [2024-10-11 21:16:04,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:16:04,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:16:04,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:16:04,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:16:04,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 21:16:04,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:16:04,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:16:04,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-11 21:16:04,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:16:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:16:05,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:16:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:16:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428686854] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:16:06,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:16:06,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 92 [2024-10-11 21:16:06,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532822853] [2024-10-11 21:16:06,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:16:06,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-10-11 21:16:06,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:16:06,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-10-11 21:16:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2019, Invalid=6723, Unknown=0, NotChecked=0, Total=8742 [2024-10-11 21:16:06,578 INFO L87 Difference]: Start difference. First operand 268 states and 277 transitions. Second operand has 94 states, 90 states have (on average 2.888888888888889) internal successors, (260), 50 states have internal predecessors, (260), 44 states have call successors, (44), 43 states have call predecessors, (44), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:09,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:16:09,084 INFO L93 Difference]: Finished difference Result 517 states and 577 transitions. [2024-10-11 21:16:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-11 21:16:09,085 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 90 states have (on average 2.888888888888889) internal successors, (260), 50 states have internal predecessors, (260), 44 states have call successors, (44), 43 states have call predecessors, (44), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2024-10-11 21:16:09,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:16:09,088 INFO L225 Difference]: With dead ends: 517 [2024-10-11 21:16:09,088 INFO L226 Difference]: Without dead ends: 515 [2024-10-11 21:16:09,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6112 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5898, Invalid=19224, Unknown=0, NotChecked=0, Total=25122 [2024-10-11 21:16:09,094 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1587 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:16:09,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 844 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:16:09,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-10-11 21:16:09,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 471. [2024-10-11 21:16:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 384 states have (on average 1.0598958333333333) internal successors, (407), 385 states have internal predecessors, (407), 43 states have call successors, (43), 42 states have call predecessors, (43), 42 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-11 21:16:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 493 transitions. [2024-10-11 21:16:09,125 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 493 transitions. Word has length 146 [2024-10-11 21:16:09,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:16:09,126 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 493 transitions. [2024-10-11 21:16:09,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 90 states have (on average 2.888888888888889) internal successors, (260), 50 states have internal predecessors, (260), 44 states have call successors, (44), 43 states have call predecessors, (44), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 493 transitions. [2024-10-11 21:16:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 21:16:09,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:16:09,129 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:16:09,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 21:16:09,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:16:09,334 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:16:09,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:16:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash -756686655, now seen corresponding path program 1 times [2024-10-11 21:16:09,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:16:09,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763204412] [2024-10-11 21:16:09,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:16:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:16:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:16:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2024-10-11 21:16:09,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:16:09,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763204412] [2024-10-11 21:16:09,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763204412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:16:09,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:16:09,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:16:09,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172952545] [2024-10-11 21:16:09,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:16:09,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:16:09,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:16:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:16:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:16:09,888 INFO L87 Difference]: Start difference. First operand 471 states and 493 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:16:09,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:16:09,911 INFO L93 Difference]: Finished difference Result 471 states and 493 transitions. [2024-10-11 21:16:09,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:16:09,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 211 [2024-10-11 21:16:09,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:16:09,914 INFO L225 Difference]: With dead ends: 471 [2024-10-11 21:16:09,914 INFO L226 Difference]: Without dead ends: 297 [2024-10-11 21:16:09,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:16:09,917 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:16:09,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:16:09,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-11 21:16:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 296. [2024-10-11 21:16:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 253 states have (on average 1.0039525691699605) internal successors, (254), 253 states have internal predecessors, (254), 42 states have call successors, (42), 42 states have call predecessors, (42), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 296 transitions. [2024-10-11 21:16:09,932 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 296 transitions. Word has length 211 [2024-10-11 21:16:09,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:16:09,933 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 296 transitions. [2024-10-11 21:16:09,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:16:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 296 transitions. [2024-10-11 21:16:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-11 21:16:09,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:16:09,937 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 42, 42, 41, 41, 1, 1, 1] [2024-10-11 21:16:09,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 21:16:09,937 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:16:09,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:16:09,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2069659821, now seen corresponding path program 4 times [2024-10-11 21:16:09,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:16:09,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063722225] [2024-10-11 21:16:09,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:16:09,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:16:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5986 backedges. 4432 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2024-10-11 21:16:11,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:16:11,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063722225] [2024-10-11 21:16:11,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063722225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:16:11,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:16:11,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2024-10-11 21:16:11,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409012308] [2024-10-11 21:16:11,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:16:11,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-11 21:16:11,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:16:11,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-11 21:16:11,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2024-10-11 21:16:11,307 INFO L87 Difference]: Start difference. First operand 296 states and 296 transitions. Second operand has 45 states, 44 states have (on average 2.9545454545454546) internal successors, (130), 23 states have internal predecessors, (130), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:11,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:16:11,768 INFO L93 Difference]: Finished difference Result 296 states and 296 transitions. [2024-10-11 21:16:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-11 21:16:11,768 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.9545454545454546) internal successors, (130), 23 states have internal predecessors, (130), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 295 [2024-10-11 21:16:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:16:11,769 INFO L225 Difference]: With dead ends: 296 [2024-10-11 21:16:11,769 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 21:16:11,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1221, Invalid=3069, Unknown=0, NotChecked=0, Total=4290 [2024-10-11 21:16:11,771 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 121 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:16:11,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 335 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:16:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 21:16:11,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 21:16:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 21:16:11,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 295 [2024-10-11 21:16:11,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:16:11,773 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 21:16:11,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.9545454545454546) internal successors, (130), 23 states have internal predecessors, (130), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:11,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 21:16:11,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 21:16:11,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-11 21:16:11,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-11 21:16:11,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 21:16:11,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 21:16:11,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 21:16:11,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 21:16:11,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 21:16:11,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 21:16:11,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 21:16:11,780 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1, 1, 1] [2024-10-11 21:16:11,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 21:16:17,553 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 21:16:17,738 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-11 21:16:17,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 09:16:17 BoogieIcfgContainer [2024-10-11 21:16:17,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 21:16:17,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 21:16:17,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 21:16:17,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 21:16:17,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:15:51" (3/4) ... [2024-10-11 21:16:17,749 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 21:16:17,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2024-10-11 21:16:17,758 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-11 21:16:17,759 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 21:16:17,759 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 21:16:17,760 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 21:16:17,842 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 21:16:17,843 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 21:16:17,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 21:16:17,843 INFO L158 Benchmark]: Toolchain (without parser) took 26975.37ms. Allocated memory was 184.5MB in the beginning and 490.7MB in the end (delta: 306.2MB). Free memory was 129.0MB in the beginning and 279.5MB in the end (delta: -150.5MB). Peak memory consumption was 156.7MB. Max. memory is 16.1GB. [2024-10-11 21:16:17,844 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 96.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:16:17,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.89ms. Allocated memory is still 184.5MB. Free memory was 128.6MB in the beginning and 157.7MB in the end (delta: -29.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 21:16:17,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.75ms. Allocated memory is still 184.5MB. Free memory was 157.7MB in the beginning and 156.8MB in the end (delta: 949.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:16:17,845 INFO L158 Benchmark]: Boogie Preprocessor took 37.37ms. Allocated memory is still 184.5MB. Free memory was 156.8MB in the beginning and 154.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 21:16:17,845 INFO L158 Benchmark]: RCFGBuilder took 266.12ms. Allocated memory is still 184.5MB. Free memory was 154.7MB in the beginning and 143.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 21:16:17,845 INFO L158 Benchmark]: TraceAbstraction took 26197.35ms. Allocated memory was 184.5MB in the beginning and 490.7MB in the end (delta: 306.2MB). Free memory was 143.0MB in the beginning and 284.7MB in the end (delta: -141.7MB). Peak memory consumption was 282.9MB. Max. memory is 16.1GB. [2024-10-11 21:16:17,846 INFO L158 Benchmark]: Witness Printer took 96.65ms. Allocated memory is still 490.7MB. Free memory was 283.7MB in the beginning and 279.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 21:16:17,847 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 96.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.89ms. Allocated memory is still 184.5MB. Free memory was 128.6MB in the beginning and 157.7MB in the end (delta: -29.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.75ms. Allocated memory is still 184.5MB. Free memory was 157.7MB in the beginning and 156.8MB in the end (delta: 949.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.37ms. Allocated memory is still 184.5MB. Free memory was 156.8MB in the beginning and 154.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 266.12ms. Allocated memory is still 184.5MB. Free memory was 154.7MB in the beginning and 143.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 26197.35ms. Allocated memory was 184.5MB in the beginning and 490.7MB in the end (delta: 306.2MB). Free memory was 143.0MB in the beginning and 284.7MB in the end (delta: -141.7MB). Peak memory consumption was 282.9MB. Max. memory is 16.1GB. * Witness Printer took 96.65ms. Allocated memory is still 490.7MB. Free memory was 283.7MB in the beginning and 279.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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, 28 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 14, TraceHistogramMax: 42, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3510 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3493 mSDsluCounter, 3721 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3306 mSDsCounter, 407 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3756 IncrementalHoareTripleChecker+Invalid, 4163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 407 mSolverCounterUnsat, 415 mSDtfsCounter, 3756 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1312 GetRequests, 762 SyntacticMatches, 4 SemanticMatches, 546 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11311 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=471occurred in iteration=12, InterpolantAutomatonStates: 354, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 99 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 1508 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1881 ConstructedInterpolants, 0 QuantifiedInterpolants, 4841 SizeOfPredicates, 62 NumberOfNonLiveVariables, 1141 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 8306/15486 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 8 specifications checked. All of them hold - ProcedureContractResult [Line: 5]: Procedure Contract for sum Derived contract for procedure sum. Requires: (((((((((((((((((((((((m <= 4) && (0 <= (m + 2147483648))) && (16 == n)) || ((((1 <= n) && (n <= 11)) && (0 <= (m + 2147483648))) && (m <= 9))) || ((((n <= 10) && (0 <= n)) && (0 <= (m + 2147483648))) && (m <= 10))) || (((n == 0) && (0 <= (m + 2147483648))) && (m <= 20))) || (((0 <= (m + 2147483648)) && (n == 1)) && (m <= 19))) || (((18 == n) && (0 <= (m + 2147483648))) && (m <= 2))) || (((m <= 7) && (0 <= (m + 2147483648))) && (n == 13))) || (((m <= 6) && (0 <= (m + 2147483648))) && (14 == n))) || ((((m <= 16) && (0 <= n)) && (0 <= (m + 2147483648))) && (n <= 4))) || (((0 <= (m + 2147483648)) && (19 == n)) && (m <= 1))) || (((6 == n) && (m <= 14)) && (0 <= (m + 2147483648)))) || (((m <= 12) && (0 <= (m + 2147483648))) && (8 == n))) || (((3 == n) && (0 <= (m + 2147483648))) && (m <= 17))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (n <= 15)) && (m <= 5))) || ((((1 <= n) && (m <= 3)) && (0 <= (m + 2147483648))) && (n <= 17))) || ((((m <= 15) && (0 <= n)) && (n <= 5)) && (0 <= (m + 2147483648)))) || (((7 == n) && (0 <= (m + 2147483648))) && (m <= 13))) || (((2 == n) && (0 <= (m + 2147483648))) && (m <= 18))) || ((20 == n) && (m == 0))) || ((((m <= 8) && (n <= 12)) && (0 <= (m + 2147483648))) && (2 <= n))) || (((0 <= (m + 2147483648)) && (9 == n)) && (m <= 11))) Ensures: (((((((((((((((((((((((m <= 4) && (0 <= (m + 2147483648))) && (16 == n)) || ((((1 <= n) && (n <= 11)) && (0 <= (m + 2147483648))) && (m <= 9))) || ((((n <= 10) && (0 <= n)) && (0 <= (m + 2147483648))) && (m <= 10))) || (((n == 0) && (0 <= (m + 2147483648))) && (m <= 20))) || (((0 <= (m + 2147483648)) && (n == 1)) && (m <= 19))) || (((18 == n) && (0 <= (m + 2147483648))) && (m <= 2))) || (((m <= 7) && (0 <= (m + 2147483648))) && (n == 13))) || (((m <= 6) && (0 <= (m + 2147483648))) && (14 == n))) || ((((m <= 16) && (0 <= n)) && (0 <= (m + 2147483648))) && (n <= 4))) || (((0 <= (m + 2147483648)) && (19 == n)) && (m <= 1))) || (((6 == n) && (m <= 14)) && (0 <= (m + 2147483648)))) || (((m <= 12) && (0 <= (m + 2147483648))) && (8 == n))) || (((3 == n) && (0 <= (m + 2147483648))) && (m <= 17))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (n <= 15)) && (m <= 5))) || ((((1 <= n) && (m <= 3)) && (0 <= (m + 2147483648))) && (n <= 17))) || ((((m <= 15) && (0 <= n)) && (n <= 5)) && (0 <= (m + 2147483648)))) || (((7 == n) && (0 <= (m + 2147483648))) && (m <= 13))) || (((2 == n) && (0 <= (m + 2147483648))) && (m <= 18))) || ((20 == n) && (m == 0))) || ((((m <= 8) && (n <= 12)) && (0 <= (m + 2147483648))) && (2 <= n))) || (((0 <= (m + 2147483648)) && (9 == n)) && (m <= 11))) RESULT: Ultimate proved your program to be correct! [2024-10-11 21:16:17,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE