./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.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/array-multidimensional/rev-2-n-u.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 bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:08:33,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:08:33,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:08:33,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:08:33,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:08:33,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:08:33,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:08:33,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:08:33,432 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:08:33,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:08:33,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:08:33,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:08:33,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:08:33,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:08:33,434 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:08:33,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:08:33,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:08:33,435 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:08:33,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:08:33,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:08:33,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:08:33,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:08:33,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:08:33,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:08:33,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:08:33,443 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:08:33,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:08:33,443 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:08:33,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:08:33,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:08:33,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:08:33,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:08:33,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:08:33,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:08:33,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:08:33,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:08:33,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:08:33,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:08:33,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:08:33,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:08:33,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:08:33,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:08:33,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:08:33,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:08:33,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2024-10-11 20:08:33,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:08:33,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:08:33,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:08:33,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:08:33,752 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:08:33,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-10-11 20:08:35,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:08:35,358 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:08:35,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-10-11 20:08:35,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/66ad5529e/f25e3396ec0b4a31b9c6f4c2309975ee/FLAGc922b681e [2024-10-11 20:08:35,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/66ad5529e/f25e3396ec0b4a31b9c6f4c2309975ee [2024-10-11 20:08:35,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:08:35,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:08:35,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:08:35,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:08:35,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:08:35,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc28494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35, skipping insertion in model container [2024-10-11 20:08:35,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:08:35,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:08:35,606 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:08:35,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:08:35,641 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:08:35,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35 WrapperNode [2024-10-11 20:08:35,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:08:35,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:08:35,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:08:35,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:08:35,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,677 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-10-11 20:08:35,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:08:35,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:08:35,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:08:35,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:08:35,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,705 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-10-11 20:08:35,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:08:35,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:08:35,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:08:35,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:08:35,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (1/1) ... [2024-10-11 20:08:35,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:08:35,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:35,764 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 20:08:35,767 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 20:08:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:08:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:08:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:08:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 20:08:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 20:08:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 20:08:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 20:08:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 20:08:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:08:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:08:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 20:08:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 20:08:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 20:08:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 20:08:35,911 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:08:35,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:08:36,181 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-10-11 20:08:36,181 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:08:36,214 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:08:36,218 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-11 20:08:36,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:36 BoogieIcfgContainer [2024-10-11 20:08:36,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:08:36,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:08:36,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:08:36,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:08:36,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:08:35" (1/3) ... [2024-10-11 20:08:36,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d76d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:36, skipping insertion in model container [2024-10-11 20:08:36,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:35" (2/3) ... [2024-10-11 20:08:36,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d76d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:36, skipping insertion in model container [2024-10-11 20:08:36,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:36" (3/3) ... [2024-10-11 20:08:36,230 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2024-10-11 20:08:36,249 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:08:36,249 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-11 20:08:36,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:08:36,332 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;@32476cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:08:36,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-10-11 20:08:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 2.025) internal successors, (81), 68 states have internal predecessors, (81), 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 20:08:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:08:36,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:36,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:08:36,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:36,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:36,346 INFO L85 PathProgramCache]: Analyzing trace with hash 5492701, now seen corresponding path program 1 times [2024-10-11 20:08:36,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:36,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199458167] [2024-10-11 20:08:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:36,623 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 20:08:36,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:36,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199458167] [2024-10-11 20:08:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199458167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:36,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:36,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:36,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138557200] [2024-10-11 20:08:36,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:36,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:36,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:36,662 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 2.025) internal successors, (81), 68 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:36,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:36,825 INFO L93 Difference]: Finished difference Result 172 states and 217 transitions. [2024-10-11 20:08:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:36,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-11 20:08:36,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:36,835 INFO L225 Difference]: With dead ends: 172 [2024-10-11 20:08:36,836 INFO L226 Difference]: Without dead ends: 102 [2024-10-11 20:08:36,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:36,844 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 96 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:36,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 79 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:36,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-11 20:08:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2024-10-11 20:08:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.6818181818181819) internal successors, (111), 93 states have internal predecessors, (111), 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 20:08:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 111 transitions. [2024-10-11 20:08:36,887 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 111 transitions. Word has length 4 [2024-10-11 20:08:36,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:36,888 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 111 transitions. [2024-10-11 20:08:36,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2024-10-11 20:08:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:08:36,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:36,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:08:36,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:08:36,890 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:36,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:36,891 INFO L85 PathProgramCache]: Analyzing trace with hash 982194843, now seen corresponding path program 1 times [2024-10-11 20:08:36,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:36,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712823932] [2024-10-11 20:08:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:36,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:36,973 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 20:08:36,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:36,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712823932] [2024-10-11 20:08:36,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712823932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:36,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:36,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:08:36,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241998197] [2024-10-11 20:08:36,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:36,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:36,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:36,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:36,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:36,980 INFO L87 Difference]: Start difference. First operand 94 states and 111 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:37,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:37,074 INFO L93 Difference]: Finished difference Result 187 states and 221 transitions. [2024-10-11 20:08:37,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:37,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 20:08:37,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:37,076 INFO L225 Difference]: With dead ends: 187 [2024-10-11 20:08:37,077 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 20:08:37,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:37,079 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 8 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:37,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 99 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 20:08:37,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2024-10-11 20:08:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 75 states have (on average 1.64) internal successors, (123), 102 states have internal predecessors, (123), 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 20:08:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2024-10-11 20:08:37,094 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 6 [2024-10-11 20:08:37,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:37,094 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2024-10-11 20:08:37,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-10-11 20:08:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:08:37,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:37,095 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 20:08:37,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:08:37,095 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:37,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash 425990244, now seen corresponding path program 1 times [2024-10-11 20:08:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:37,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059356131] [2024-10-11 20:08:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:37,174 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 20:08:37,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:37,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059356131] [2024-10-11 20:08:37,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059356131] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:37,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226898910] [2024-10-11 20:08:37,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:37,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:37,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:37,178 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 20:08:37,179 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 20:08:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:37,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:37,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:37,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:37,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226898910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:37,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:37,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 20:08:37,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512529845] [2024-10-11 20:08:37,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:37,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:37,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:37,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:08:37,296 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:37,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:37,411 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2024-10-11 20:08:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:37,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:08:37,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:37,412 INFO L225 Difference]: With dead ends: 111 [2024-10-11 20:08:37,412 INFO L226 Difference]: Without dead ends: 108 [2024-10-11 20:08:37,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:08:37,414 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 61 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:37,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 89 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-11 20:08:37,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 100. [2024-10-11 20:08:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 75 states have (on average 1.5866666666666667) internal successors, (119), 99 states have internal predecessors, (119), 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 20:08:37,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2024-10-11 20:08:37,429 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 7 [2024-10-11 20:08:37,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:37,430 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2024-10-11 20:08:37,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2024-10-11 20:08:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:08:37,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:37,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-11 20:08:37,445 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 20:08:37,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:37,632 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:37,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:37,632 INFO L85 PathProgramCache]: Analyzing trace with hash 320795730, now seen corresponding path program 1 times [2024-10-11 20:08:37,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:37,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077638578] [2024-10-11 20:08:37,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:37,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:37,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:37,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077638578] [2024-10-11 20:08:37,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077638578] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:37,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676049991] [2024-10-11 20:08:37,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:37,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:37,743 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 20:08:37,745 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 20:08:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:37,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:37,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:37,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:37,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676049991] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:37,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:37,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 20:08:37,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374953505] [2024-10-11 20:08:37,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:37,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:08:37,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:37,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:08:37,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:37,849 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 20:08:38,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:38,051 INFO L93 Difference]: Finished difference Result 225 states and 281 transitions. [2024-10-11 20:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:08:38,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:08:38,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:38,054 INFO L225 Difference]: With dead ends: 225 [2024-10-11 20:08:38,055 INFO L226 Difference]: Without dead ends: 222 [2024-10-11 20:08:38,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:38,056 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 150 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:38,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 178 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:08:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-11 20:08:38,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 190. [2024-10-11 20:08:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 165 states have (on average 1.6303030303030304) internal successors, (269), 189 states have internal predecessors, (269), 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 20:08:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 269 transitions. [2024-10-11 20:08:38,074 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 269 transitions. Word has length 8 [2024-10-11 20:08:38,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:38,075 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 269 transitions. [2024-10-11 20:08:38,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 20:08:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 269 transitions. [2024-10-11 20:08:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:08:38,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:38,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:38,090 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 20:08:38,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:38,277 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:38,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash -892968638, now seen corresponding path program 1 times [2024-10-11 20:08:38,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:38,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182085131] [2024-10-11 20:08:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:38,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:38,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182085131] [2024-10-11 20:08:38,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182085131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:38,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:38,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:08:38,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555155608] [2024-10-11 20:08:38,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:38,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:38,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:38,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:38,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:38,382 INFO L87 Difference]: Start difference. First operand 190 states and 269 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20:08:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:38,484 INFO L93 Difference]: Finished difference Result 411 states and 600 transitions. [2024-10-11 20:08:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:38,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 20:08:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:38,487 INFO L225 Difference]: With dead ends: 411 [2024-10-11 20:08:38,487 INFO L226 Difference]: Without dead ends: 327 [2024-10-11 20:08:38,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:38,489 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 137 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:38,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 66 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:38,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-10-11 20:08:38,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 316. [2024-10-11 20:08:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 291 states have (on average 1.5841924398625429) internal successors, (461), 315 states have internal predecessors, (461), 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 20:08:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 461 transitions. [2024-10-11 20:08:38,534 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 461 transitions. Word has length 13 [2024-10-11 20:08:38,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:38,534 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 461 transitions. [2024-10-11 20:08:38,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20:08:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 461 transitions. [2024-10-11 20:08:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:08:38,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:38,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:38,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:08:38,536 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:38,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:38,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1912223915, now seen corresponding path program 1 times [2024-10-11 20:08:38,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:38,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699591653] [2024-10-11 20:08:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:38,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:38,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699591653] [2024-10-11 20:08:38,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699591653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:38,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:38,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:08:38,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120756292] [2024-10-11 20:08:38,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:38,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:38,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:38,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:38,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:38,647 INFO L87 Difference]: Start difference. First operand 316 states and 461 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 20:08:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:38,752 INFO L93 Difference]: Finished difference Result 331 states and 461 transitions. [2024-10-11 20:08:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:38,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 20:08:38,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:38,754 INFO L225 Difference]: With dead ends: 331 [2024-10-11 20:08:38,754 INFO L226 Difference]: Without dead ends: 327 [2024-10-11 20:08:38,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:38,757 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 96 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:38,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 66 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:38,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-10-11 20:08:38,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 316. [2024-10-11 20:08:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 291 states have (on average 1.5154639175257731) internal successors, (441), 315 states have internal predecessors, (441), 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 20:08:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 441 transitions. [2024-10-11 20:08:38,782 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 441 transitions. Word has length 14 [2024-10-11 20:08:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:38,783 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 441 transitions. [2024-10-11 20:08:38,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 20:08:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 441 transitions. [2024-10-11 20:08:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:08:38,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:38,785 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:08:38,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:08:38,785 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:38,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:38,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1869502874, now seen corresponding path program 1 times [2024-10-11 20:08:38,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:38,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825589922] [2024-10-11 20:08:38,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:38,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:38,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:38,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825589922] [2024-10-11 20:08:38,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825589922] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:38,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899359328] [2024-10-11 20:08:38,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:38,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:38,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:38,867 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 20:08:38,869 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 20:08:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:38,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:38,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:38,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:39,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899359328] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:39,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:39,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 4, 4] total 9 [2024-10-11 20:08:39,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611945417] [2024-10-11 20:08:39,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:39,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:08:39,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:39,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:08:39,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:08:39,025 INFO L87 Difference]: Start difference. First operand 316 states and 441 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 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 20:08:39,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:39,663 INFO L93 Difference]: Finished difference Result 639 states and 860 transitions. [2024-10-11 20:08:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:08:39,664 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 20:08:39,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:39,666 INFO L225 Difference]: With dead ends: 639 [2024-10-11 20:08:39,666 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 20:08:39,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:08:39,668 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 742 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:39,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 28 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:08:39,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 20:08:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 309. [2024-10-11 20:08:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 291 states have (on average 1.3333333333333333) internal successors, (388), 308 states have internal predecessors, (388), 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 20:08:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 388 transitions. [2024-10-11 20:08:39,681 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 388 transitions. Word has length 14 [2024-10-11 20:08:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:39,681 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 388 transitions. [2024-10-11 20:08:39,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 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 20:08:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 388 transitions. [2024-10-11 20:08:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:08:39,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:39,682 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-11 20:08:39,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:39,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:39,887 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:39,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1575843490, now seen corresponding path program 2 times [2024-10-11 20:08:39,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:39,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94466387] [2024-10-11 20:08:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:39,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:39,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94466387] [2024-10-11 20:08:39,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94466387] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772272361] [2024-10-11 20:08:39,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:39,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:39,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:39,941 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 20:08:39,943 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 20:08:39,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:39,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:39,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:39,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:40,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772272361] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:40,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:40,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-11 20:08:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532804380] [2024-10-11 20:08:40,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:40,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:08:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:08:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:40,057 INFO L87 Difference]: Start difference. First operand 309 states and 388 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 20:08:40,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:40,123 INFO L93 Difference]: Finished difference Result 309 states and 388 transitions. [2024-10-11 20:08:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:08:40,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-11 20:08:40,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:40,125 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:08:40,125 INFO L226 Difference]: Without dead ends: 306 [2024-10-11 20:08:40,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:08:40,126 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 134 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:40,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 60 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:40,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-11 20:08:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 258. [2024-10-11 20:08:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 243 states have (on average 1.308641975308642) internal successors, (318), 257 states have internal predecessors, (318), 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 20:08:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 318 transitions. [2024-10-11 20:08:40,140 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 318 transitions. Word has length 17 [2024-10-11 20:08:40,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:40,140 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 318 transitions. [2024-10-11 20:08:40,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 20:08:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 318 transitions. [2024-10-11 20:08:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:08:40,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:40,143 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:40,161 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 20:08:40,347 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,SelfDestructingSolverStorable7 [2024-10-11 20:08:40,348 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:40,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:40,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1210960233, now seen corresponding path program 1 times [2024-10-11 20:08:40,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:40,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722888331] [2024-10-11 20:08:40,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:40,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:08:40,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:40,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722888331] [2024-10-11 20:08:40,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722888331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:40,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:40,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:08:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133391057] [2024-10-11 20:08:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:40,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:40,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:40,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:40,437 INFO L87 Difference]: Start difference. First operand 258 states and 318 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20:08:40,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:40,506 INFO L93 Difference]: Finished difference Result 270 states and 318 transitions. [2024-10-11 20:08:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-10-11 20:08:40,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:40,508 INFO L225 Difference]: With dead ends: 270 [2024-10-11 20:08:40,509 INFO L226 Difference]: Without dead ends: 266 [2024-10-11 20:08:40,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:40,511 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 71 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:40,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 65 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:40,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-11 20:08:40,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 258. [2024-10-11 20:08:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 243 states have (on average 1.2757201646090535) internal successors, (310), 257 states have internal predecessors, (310), 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 20:08:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 310 transitions. [2024-10-11 20:08:40,523 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 310 transitions. Word has length 27 [2024-10-11 20:08:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:40,523 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 310 transitions. [2024-10-11 20:08:40,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20:08:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 310 transitions. [2024-10-11 20:08:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:08:40,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:40,525 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1] [2024-10-11 20:08:40,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:08:40,526 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:40,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:40,526 INFO L85 PathProgramCache]: Analyzing trace with hash -376623799, now seen corresponding path program 1 times [2024-10-11 20:08:40,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301249026] [2024-10-11 20:08:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:40,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 20:08:40,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301249026] [2024-10-11 20:08:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301249026] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:40,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118509763] [2024-10-11 20:08:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:40,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:40,609 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 20:08:40,610 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 20:08:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:40,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:08:40,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:08:40,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:40,858 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:08:40,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118509763] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:40,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:40,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 7, 7] total 15 [2024-10-11 20:08:40,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184752797] [2024-10-11 20:08:40,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:40,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:08:40,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:40,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:08:40,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:08:40,861 INFO L87 Difference]: Start difference. First operand 258 states and 310 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 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 20:08:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:41,973 INFO L93 Difference]: Finished difference Result 1187 states and 1484 transitions. [2024-10-11 20:08:41,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-11 20:08:41,974 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-10-11 20:08:41,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:41,977 INFO L225 Difference]: With dead ends: 1187 [2024-10-11 20:08:41,977 INFO L226 Difference]: Without dead ends: 944 [2024-10-11 20:08:41,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 20:08:41,979 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 3125 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3125 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:41,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3125 Valid, 44 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:08:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-11 20:08:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 864. [2024-10-11 20:08:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 849 states have (on average 1.3345111896348645) internal successors, (1133), 863 states have internal predecessors, (1133), 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 20:08:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1133 transitions. [2024-10-11 20:08:42,005 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1133 transitions. Word has length 33 [2024-10-11 20:08:42,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:42,006 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1133 transitions. [2024-10-11 20:08:42,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 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 20:08:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1133 transitions. [2024-10-11 20:08:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 20:08:42,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:42,009 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:42,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:42,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:08:42,211 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:42,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1164980692, now seen corresponding path program 1 times [2024-10-11 20:08:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:42,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102078942] [2024-10-11 20:08:42,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:42,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:42,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102078942] [2024-10-11 20:08:42,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102078942] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:42,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128122434] [2024-10-11 20:08:42,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:42,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:42,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:42,594 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 20:08:42,596 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 20:08:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:42,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:08:42,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:42,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:43,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128122434] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:43,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:43,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2024-10-11 20:08:43,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136569921] [2024-10-11 20:08:43,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:43,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-11 20:08:43,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:43,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-11 20:08:43,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 20:08:43,216 INFO L87 Difference]: Start difference. First operand 864 states and 1133 transitions. Second operand has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 36 states have internal predecessors, (115), 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 20:08:44,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:44,300 INFO L93 Difference]: Finished difference Result 2835 states and 3648 transitions. [2024-10-11 20:08:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 20:08:44,301 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 36 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-10-11 20:08:44,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:44,310 INFO L225 Difference]: With dead ends: 2835 [2024-10-11 20:08:44,310 INFO L226 Difference]: Without dead ends: 2004 [2024-10-11 20:08:44,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 20:08:44,313 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 3444 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:44,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 536 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:08:44,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2024-10-11 20:08:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1836. [2024-10-11 20:08:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1821 states have (on average 1.340472267984624) internal successors, (2441), 1835 states have internal predecessors, (2441), 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 20:08:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2441 transitions. [2024-10-11 20:08:44,383 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2441 transitions. Word has length 56 [2024-10-11 20:08:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:44,383 INFO L471 AbstractCegarLoop]: Abstraction has 1836 states and 2441 transitions. [2024-10-11 20:08:44,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 36 states have internal predecessors, (115), 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 20:08:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2441 transitions. [2024-10-11 20:08:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 20:08:44,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:44,389 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:44,406 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 20:08:44,590 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,SelfDestructingSolverStorable10 [2024-10-11 20:08:44,590 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:44,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:44,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1588625964, now seen corresponding path program 2 times [2024-10-11 20:08:44,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:44,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980469183] [2024-10-11 20:08:44,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:44,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:45,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:45,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980469183] [2024-10-11 20:08:45,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980469183] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:45,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721352719] [2024-10-11 20:08:45,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:45,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:45,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:45,378 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 20:08:45,379 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 20:08:45,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:08:45,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:45,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 20:08:45,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:46,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:46,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721352719] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:46,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:46,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 72 [2024-10-11 20:08:46,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232143921] [2024-10-11 20:08:46,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:46,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-10-11 20:08:46,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:46,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-10-11 20:08:46,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2024-10-11 20:08:46,931 INFO L87 Difference]: Start difference. First operand 1836 states and 2441 transitions. Second operand has 73 states, 73 states have (on average 3.0547945205479454) internal successors, (223), 72 states have internal predecessors, (223), 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 20:08:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:49,969 INFO L93 Difference]: Finished difference Result 5907 states and 7644 transitions. [2024-10-11 20:08:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-11 20:08:49,970 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 3.0547945205479454) internal successors, (223), 72 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-11 20:08:49,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:49,985 INFO L225 Difference]: With dead ends: 5907 [2024-10-11 20:08:49,985 INFO L226 Difference]: Without dead ends: 4140 [2024-10-11 20:08:49,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2024-10-11 20:08:49,991 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 6550 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6550 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:49,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6550 Valid, 1161 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:08:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4140 states. [2024-10-11 20:08:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4140 to 3780. [2024-10-11 20:08:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3780 states, 3765 states have (on average 1.3431606905710491) internal successors, (5057), 3779 states have internal predecessors, (5057), 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 20:08:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3780 states and 5057 transitions. [2024-10-11 20:08:50,153 INFO L78 Accepts]: Start accepts. Automaton has 3780 states and 5057 transitions. Word has length 92 [2024-10-11 20:08:50,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:50,154 INFO L471 AbstractCegarLoop]: Abstraction has 3780 states and 5057 transitions. [2024-10-11 20:08:50,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.0547945205479454) internal successors, (223), 72 states have internal predecessors, (223), 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 20:08:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3780 states and 5057 transitions. [2024-10-11 20:08:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-11 20:08:50,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:50,160 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:50,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:50,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:50,365 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:08:50,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:50,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1444145708, now seen corresponding path program 3 times [2024-10-11 20:08:50,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:50,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110925819] [2024-10-11 20:08:50,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:50,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1 proven. 3151 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:52,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:52,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110925819] [2024-10-11 20:08:52,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110925819] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:52,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959277116] [2024-10-11 20:08:52,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:08:52,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:52,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:52,777 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 20:08:52,777 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 20:08:52,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:08:52,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:52,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:52,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3158 trivial. 0 not checked. [2024-10-11 20:08:53,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3158 trivial. 0 not checked. [2024-10-11 20:08:53,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959277116] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:53,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:53,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 3, 3] total 53 [2024-10-11 20:08:53,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455082739] [2024-10-11 20:08:53,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:53,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-11 20:08:53,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:53,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-11 20:08:53,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1193, Invalid=1669, Unknown=0, NotChecked=0, Total=2862 [2024-10-11 20:08:53,481 INFO L87 Difference]: Start difference. First operand 3780 states and 5057 transitions. Second operand has 54 states, 54 states have (on average 3.259259259259259) internal successors, (176), 53 states have internal predecessors, (176), 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 20:09:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:09:06,536 INFO L93 Difference]: Finished difference Result 7904 states and 10343 transitions. [2024-10-11 20:09:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-10-11 20:09:06,537 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.259259259259259) internal successors, (176), 53 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2024-10-11 20:09:06,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:09:06,550 INFO L225 Difference]: With dead ends: 7904 [2024-10-11 20:09:06,550 INFO L226 Difference]: Without dead ends: 4265 [2024-10-11 20:09:06,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28761 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=25137, Invalid=59835, Unknown=0, NotChecked=0, Total=84972 [2024-10-11 20:09:06,565 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 8862 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8862 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:09:06,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8862 Valid, 116 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 20:09:06,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4265 states. [2024-10-11 20:09:06,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4265 to 4003. [2024-10-11 20:09:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4003 states, 3992 states have (on average 1.2367234468937875) internal successors, (4937), 4002 states have internal predecessors, (4937), 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 20:09:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 4003 states and 4937 transitions. [2024-10-11 20:09:06,683 INFO L78 Accepts]: Start accepts. Automaton has 4003 states and 4937 transitions. Word has length 164 [2024-10-11 20:09:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:09:06,684 INFO L471 AbstractCegarLoop]: Abstraction has 4003 states and 4937 transitions. [2024-10-11 20:09:06,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.259259259259259) internal successors, (176), 53 states have internal predecessors, (176), 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 20:09:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 4937 transitions. [2024-10-11 20:09:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-10-11 20:09:06,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:09:06,689 INFO L215 NwaCegarLoop]: trace histogram [141, 141, 141, 3, 3, 3, 2, 1, 1] [2024-10-11 20:09:06,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:09:06,890 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,SelfDestructingSolverStorable12 [2024-10-11 20:09:06,890 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:09:06,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:09:06,891 INFO L85 PathProgramCache]: Analyzing trace with hash -641203568, now seen corresponding path program 2 times [2024-10-11 20:09:06,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:09:06,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739326007] [2024-10-11 20:09:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:09:06,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:09:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:09:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-10-11 20:09:07,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:09:07,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739326007] [2024-10-11 20:09:07,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739326007] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:09:07,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053468880] [2024-10-11 20:09:07,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:09:07,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:09:07,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:09:07,394 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 20:09:07,395 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 20:09:07,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:09:07,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:09:07,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:09:07,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:09:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-10-11 20:09:08,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:09:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-10-11 20:09:08,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053468880] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:09:08,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:09:08,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-11 20:09:08,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191430204] [2024-10-11 20:09:08,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:09:08,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:09:08,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:09:08,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:09:08,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:09:08,501 INFO L87 Difference]: Start difference. First operand 4003 states and 4937 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 20:09:08,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:09:08,635 INFO L93 Difference]: Finished difference Result 4003 states and 4937 transitions. [2024-10-11 20:09:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:09:08,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 436 [2024-10-11 20:09:08,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:09:08,649 INFO L225 Difference]: With dead ends: 4003 [2024-10-11 20:09:08,650 INFO L226 Difference]: Without dead ends: 4000 [2024-10-11 20:09:08,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:09:08,652 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 118 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:09:08,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 24 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:09:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4000 states. [2024-10-11 20:09:08,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4000 to 2860. [2024-10-11 20:09:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2852 states have (on average 1.1984572230014026) internal successors, (3418), 2859 states have internal predecessors, (3418), 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 20:09:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 3418 transitions. [2024-10-11 20:09:08,808 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 3418 transitions. Word has length 436 [2024-10-11 20:09:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:09:08,809 INFO L471 AbstractCegarLoop]: Abstraction has 2860 states and 3418 transitions. [2024-10-11 20:09:08,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 20:09:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3418 transitions. [2024-10-11 20:09:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2024-10-11 20:09:08,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:09:08,822 INFO L215 NwaCegarLoop]: trace histogram [188, 188, 188, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:09:08,839 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 20:09:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:09:09,030 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:09:09,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:09:09,030 INFO L85 PathProgramCache]: Analyzing trace with hash -497010283, now seen corresponding path program 4 times [2024-10-11 20:09:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:09:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237997344] [2024-10-11 20:09:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:09:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:09:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:09:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-10-11 20:09:13,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:09:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237997344] [2024-10-11 20:09:13,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237997344] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:09:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664335294] [2024-10-11 20:09:13,208 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:09:13,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:09:13,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:09:13,211 INFO L229 MonitoredProcess]: Starting monitored process 11 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 20:09:13,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:09:13,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:09:13,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:09:13,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-10-11 20:09:13,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:09:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-10-11 20:09:15,128 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:09:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-10-11 20:09:17,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664335294] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:09:17,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:09:17,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 147 [2024-10-11 20:09:17,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728356167] [2024-10-11 20:09:17,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:09:17,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2024-10-11 20:09:17,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:09:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2024-10-11 20:09:17,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9607, Invalid=12149, Unknown=0, NotChecked=0, Total=21756 [2024-10-11 20:09:17,921 INFO L87 Difference]: Start difference. First operand 2860 states and 3418 transitions. Second operand has 148 states, 148 states have (on average 3.060810810810811) internal successors, (453), 147 states have internal predecessors, (453), 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 20:09:32,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:09:32,273 INFO L93 Difference]: Finished difference Result 8896 states and 10611 transitions. [2024-10-11 20:09:32,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-10-11 20:09:32,273 INFO L78 Accepts]: Start accepts. Automaton has has 148 states, 148 states have (on average 3.060810810810811) internal successors, (453), 147 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 602 [2024-10-11 20:09:32,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:09:32,289 INFO L225 Difference]: With dead ends: 8896 [2024-10-11 20:09:32,289 INFO L226 Difference]: Without dead ends: 6180 [2024-10-11 20:09:32,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1300 GetRequests, 1106 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13917 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=14455, Invalid=23765, Unknown=0, NotChecked=0, Total=38220 [2024-10-11 20:09:32,296 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 12953 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12953 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 3034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:09:32,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12953 Valid, 1747 Invalid, 3034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 20:09:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2024-10-11 20:09:32,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5800. [2024-10-11 20:09:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 5792 states have (on average 1.1992403314917126) internal successors, (6946), 5799 states have internal predecessors, (6946), 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 20:09:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 6946 transitions. [2024-10-11 20:09:32,474 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 6946 transitions. Word has length 602 [2024-10-11 20:09:32,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:09:32,474 INFO L471 AbstractCegarLoop]: Abstraction has 5800 states and 6946 transitions. [2024-10-11 20:09:32,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 3.060810810810811) internal successors, (453), 147 states have internal predecessors, (453), 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 20:09:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 6946 transitions. [2024-10-11 20:09:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1191 [2024-10-11 20:09:32,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:09:32,514 INFO L215 NwaCegarLoop]: trace histogram [384, 384, 384, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:09:32,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:09:32,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:09:32,715 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:09:32,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:09:32,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1277116367, now seen corresponding path program 5 times [2024-10-11 20:09:32,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:09:32,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365120559] [2024-10-11 20:09:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:09:32,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:09:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:09:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 222179 backedges. 83527 proven. 13776 refuted. 0 times theorem prover too weak. 124876 trivial. 0 not checked. [2024-10-11 20:09:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:09:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365120559] [2024-10-11 20:09:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365120559] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:09:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064011499] [2024-10-11 20:09:45,614 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:09:45,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:09:45,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:09:45,616 INFO L229 MonitoredProcess]: Starting monitored process 12 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 20:09:45,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process