./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:04:49,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:04:49,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:04:49,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:04:49,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:04:49,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:04:49,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:04:49,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:04:49,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:04:49,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:04:49,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:04:49,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:04:49,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:04:49,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:04:49,679 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:04:49,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:04:49,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:04:49,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:04:49,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:04:49,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:04:49,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:04:49,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:04:49,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:04:49,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:04:49,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:04:49,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:04:49,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:04:49,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:04:49,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:04:49,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:04:49,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:04:49,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:04:49,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:04:49,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:04:49,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:04:49,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:04:49,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:04:49,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:04:49,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:04:49,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:04:49,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:04:49,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:04:49,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:04:49,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:04:49,692 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2024-11-09 11:04:49,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:04:49,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:04:49,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:04:49,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:04:49,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:04:49,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-11-09 11:04:51,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:04:51,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:04:51,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-11-09 11:04:51,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59e60fbc/9a748f455a824870ab1bacfe45c51776/FLAG02e91382a [2024-11-09 11:04:52,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59e60fbc/9a748f455a824870ab1bacfe45c51776 [2024-11-09 11:04:52,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:04:52,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:04:52,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:04:52,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:04:52,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:04:52,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc51a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52, skipping insertion in model container [2024-11-09 11:04:52,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:04:52,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:04:52,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:04:52,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:04:52,306 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:04:52,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52 WrapperNode [2024-11-09 11:04:52,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:04:52,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:04:52,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:04:52,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:04:52,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,353 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-09 11:04:52,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:04:52,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:04:52,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:04:52,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:04:52,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,390 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 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]. [2024-11-09 11:04:52,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:04:52,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:04:52,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:04:52,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:04:52,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (1/1) ... [2024-11-09 11:04:52,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:04:52,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:52,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:04:52,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:04:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:04:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:04:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:04:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 11:04:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 11:04:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:04:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 11:04:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 11:04:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:04:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:04:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:04:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 11:04:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 11:04:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 11:04:52,578 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:04:52,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:04:52,792 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-09 11:04:52,792 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:04:52,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:04:52,809 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 11:04:52,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:52 BoogieIcfgContainer [2024-11-09 11:04:52,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:04:52,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:04:52,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:04:52,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:04:52,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:04:52" (1/3) ... [2024-11-09 11:04:52,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfee6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:04:52, skipping insertion in model container [2024-11-09 11:04:52,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:52" (2/3) ... [2024-11-09 11:04:52,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfee6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:04:52, skipping insertion in model container [2024-11-09 11:04:52,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:52" (3/3) ... [2024-11-09 11:04:52,821 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2024-11-09 11:04:52,842 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:04:52,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 11:04:52,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:04:52,919 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;@22465304, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:04:52,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 11:04:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 73 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:04:52,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:52,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:04:52,933 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)] === [2024-11-09 11:04:52,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash 28699890, now seen corresponding path program 1 times [2024-11-09 11:04:52,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:52,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564067850] [2024-11-09 11:04:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:53,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:53,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564067850] [2024-11-09 11:04:53,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564067850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:53,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:53,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:04:53,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492372657] [2024-11-09 11:04:53,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:53,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:53,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:53,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:53,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:53,271 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 73 states have internal predecessors, (86), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:53,449 INFO L93 Difference]: Finished difference Result 181 states and 226 transitions. [2024-11-09 11:04:53,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:53,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:04:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:53,461 INFO L225 Difference]: With dead ends: 181 [2024-11-09 11:04:53,462 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 11:04:53,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:53,471 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 99 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:53,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 91 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:53,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 11:04:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2024-11-09 11:04:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 67 states have (on average 1.671641791044776) internal successors, (112), 94 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2024-11-09 11:04:53,522 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 5 [2024-11-09 11:04:53,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:53,523 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2024-11-09 11:04:53,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2024-11-09 11:04:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:04:53,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:53,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:53,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:04:53,525 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)] === [2024-11-09 11:04:53,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:53,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1809466992, now seen corresponding path program 1 times [2024-11-09 11:04:53,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:53,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799990983] [2024-11-09 11:04:53,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:53,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:53,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:53,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799990983] [2024-11-09 11:04:53,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799990983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:53,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:53,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:53,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034929845] [2024-11-09 11:04:53,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:53,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:04:53,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:53,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:04:53,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:53,650 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:53,737 INFO L93 Difference]: Finished difference Result 188 states and 222 transitions. [2024-11-09 11:04:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:04:53,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:04:53,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:53,739 INFO L225 Difference]: With dead ends: 188 [2024-11-09 11:04:53,739 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 11:04:53,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:53,740 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:53,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 102 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:53,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 11:04:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2024-11-09 11:04:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.631578947368421) internal successors, (124), 103 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2024-11-09 11:04:53,761 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 7 [2024-11-09 11:04:53,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:53,762 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2024-11-09 11:04:53,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2024-11-09 11:04:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:04:53,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:53,763 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:53,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:04:53,763 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)] === [2024-11-09 11:04:53,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash 301623087, now seen corresponding path program 1 times [2024-11-09 11:04:53,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:53,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670633133] [2024-11-09 11:04:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:53,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:53,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670633133] [2024-11-09 11:04:53,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670633133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:53,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775160699] [2024-11-09 11:04:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:53,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:53,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:53,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:53,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:04:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:53,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:04:53,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:53,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:53,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775160699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:53,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:53,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:04:53,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698152683] [2024-11-09 11:04:53,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:53,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:53,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:53,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:53,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:04:53,985 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:54,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:54,079 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2024-11-09 11:04:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:54,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:04:54,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:54,081 INFO L225 Difference]: With dead ends: 112 [2024-11-09 11:04:54,081 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 11:04:54,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:04:54,083 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 61 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:54,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 11:04:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 101. [2024-11-09 11:04:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 100 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2024-11-09 11:04:54,099 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 8 [2024-11-09 11:04:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:54,099 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2024-11-09 11:04:54,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2024-11-09 11:04:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:04:54,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:54,100 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:04:54,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:04:54,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:54,301 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)] === [2024-11-09 11:04:54,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:54,302 INFO L85 PathProgramCache]: Analyzing trace with hash 760381159, now seen corresponding path program 1 times [2024-11-09 11:04:54,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:54,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38258656] [2024-11-09 11:04:54,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:54,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:54,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:54,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38258656] [2024-11-09 11:04:54,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38258656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417463884] [2024-11-09 11:04:54,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:54,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:54,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:54,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:04:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:54,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:04:54,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:54,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:54,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417463884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:54,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:54,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:04:54,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109442140] [2024-11-09 11:04:54,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:54,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:04:54,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:54,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:04:54,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:04:54,500 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:54,660 INFO L93 Difference]: Finished difference Result 226 states and 282 transitions. [2024-11-09 11:04:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:04:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 9 [2024-11-09 11:04:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:54,663 INFO L225 Difference]: With dead ends: 226 [2024-11-09 11:04:54,663 INFO L226 Difference]: Without dead ends: 223 [2024-11-09 11:04:54,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:04:54,664 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 270 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:54,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 132 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:54,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-09 11:04:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 191. [2024-11-09 11:04:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 166 states have (on average 1.6265060240963856) internal successors, (270), 190 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 270 transitions. [2024-11-09 11:04:54,684 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 270 transitions. Word has length 9 [2024-11-09 11:04:54,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:54,685 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 270 transitions. [2024-11-09 11:04:54,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 270 transitions. [2024-11-09 11:04:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:04:54,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:54,686 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:54,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:04:54,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 11:04:54,887 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)] === [2024-11-09 11:04:54,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1820644403, now seen corresponding path program 1 times [2024-11-09 11:04:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:54,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546507080] [2024-11-09 11:04:54,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:54,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:54,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:54,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546507080] [2024-11-09 11:04:54,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546507080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:54,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:54,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:04:54,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024842307] [2024-11-09 11:04:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:54,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:04:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:54,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:04:54,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:54,958 INFO L87 Difference]: Start difference. First operand 191 states and 270 transitions. Second operand has 3 states, 2 states have (on average 7.0) 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) [2024-11-09 11:04:55,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:55,022 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-11-09 11:04:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:04:55,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:04:55,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:55,024 INFO L225 Difference]: With dead ends: 191 [2024-11-09 11:04:55,024 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 11:04:55,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:55,025 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 44 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:55,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 38 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:55,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 11:04:55,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-09 11:04:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 166 states have (on average 1.5060240963855422) internal successors, (250), 186 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 250 transitions. [2024-11-09 11:04:55,044 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 250 transitions. Word has length 14 [2024-11-09 11:04:55,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:55,044 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 250 transitions. [2024-11-09 11:04:55,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 250 transitions. [2024-11-09 11:04:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:04:55,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:55,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:55,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:04:55,046 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)] === [2024-11-09 11:04:55,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash -605401558, now seen corresponding path program 1 times [2024-11-09 11:04:55,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:55,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350488058] [2024-11-09 11:04:55,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:55,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:55,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350488058] [2024-11-09 11:04:55,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350488058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:55,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:55,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:55,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266746834] [2024-11-09 11:04:55,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:55,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:55,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:55,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:55,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:55,110 INFO L87 Difference]: Start difference. First operand 187 states and 250 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:55,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:55,200 INFO L93 Difference]: Finished difference Result 332 states and 447 transitions. [2024-11-09 11:04:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:55,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-09 11:04:55,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:55,202 INFO L225 Difference]: With dead ends: 332 [2024-11-09 11:04:55,202 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:04:55,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:55,204 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 136 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:55,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 69 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:55,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:04:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 313. [2024-11-09 11:04:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 292 states have (on average 1.4486301369863013) internal successors, (423), 312 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 423 transitions. [2024-11-09 11:04:55,221 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 423 transitions. Word has length 15 [2024-11-09 11:04:55,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:55,221 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 423 transitions. [2024-11-09 11:04:55,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 423 transitions. [2024-11-09 11:04:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:04:55,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:55,222 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:04:55,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:04:55,223 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)] === [2024-11-09 11:04:55,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:55,223 INFO L85 PathProgramCache]: Analyzing trace with hash -562680517, now seen corresponding path program 1 times [2024-11-09 11:04:55,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315136210] [2024-11-09 11:04:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:55,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:55,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315136210] [2024-11-09 11:04:55,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315136210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:55,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095639884] [2024-11-09 11:04:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:55,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:55,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:55,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:04:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:55,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:55,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:55,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:55,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095639884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:55,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:55,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-09 11:04:55,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272821252] [2024-11-09 11:04:55,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:55,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:04:55,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:55,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:04:55,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:04:55,487 INFO L87 Difference]: Start difference. First operand 313 states and 423 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:56,061 INFO L93 Difference]: Finished difference Result 620 states and 823 transitions. [2024-11-09 11:04:56,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:04:56,062 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 11:04:56,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:56,064 INFO L225 Difference]: With dead ends: 620 [2024-11-09 11:04:56,064 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 11:04:56,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:04:56,066 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1223 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:56,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 30 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:04:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 11:04:56,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 306. [2024-11-09 11:04:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 292 states have (on average 1.2671232876712328) internal successors, (370), 305 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 370 transitions. [2024-11-09 11:04:56,079 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 370 transitions. Word has length 15 [2024-11-09 11:04:56,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:56,080 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 370 transitions. [2024-11-09 11:04:56,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 370 transitions. [2024-11-09 11:04:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:04:56,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:56,081 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2024-11-09 11:04:56,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:04:56,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:56,282 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)] === [2024-11-09 11:04:56,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:56,283 INFO L85 PathProgramCache]: Analyzing trace with hash -757857363, now seen corresponding path program 2 times [2024-11-09 11:04:56,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:56,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926929098] [2024-11-09 11:04:56,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:56,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:04:56,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:56,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926929098] [2024-11-09 11:04:56,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926929098] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:56,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145060549] [2024-11-09 11:04:56,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:56,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:56,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:56,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:56,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:04:56,393 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:56,393 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:56,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:04:56,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:04:56,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:04:56,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145060549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:56,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:56,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:04:56,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722994266] [2024-11-09 11:04:56,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:56,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:04:56,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:56,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:04:56,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:04:56,453 INFO L87 Difference]: Start difference. First operand 306 states and 370 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:56,514 INFO L93 Difference]: Finished difference Result 306 states and 370 transitions. [2024-11-09 11:04:56,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:04:56,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 18 [2024-11-09 11:04:56,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:56,516 INFO L225 Difference]: With dead ends: 306 [2024-11-09 11:04:56,516 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 11:04:56,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:04:56,518 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 74 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:56,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 64 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:56,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 11:04:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 255. [2024-11-09 11:04:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 244 states have (on average 1.2459016393442623) internal successors, (304), 254 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 304 transitions. [2024-11-09 11:04:56,529 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 304 transitions. Word has length 18 [2024-11-09 11:04:56,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:56,529 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 304 transitions. [2024-11-09 11:04:56,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 304 transitions. [2024-11-09 11:04:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:04:56,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:56,530 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:56,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:04:56,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:56,731 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)] === [2024-11-09 11:04:56,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:56,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1310997324, now seen corresponding path program 1 times [2024-11-09 11:04:56,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:56,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000827117] [2024-11-09 11:04:56,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 11:04:56,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000827117] [2024-11-09 11:04:56,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000827117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:56,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:56,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:56,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926591181] [2024-11-09 11:04:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:56,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:56,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:56,792 INFO L87 Difference]: Start difference. First operand 255 states and 304 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2024-11-09 11:04:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:56,873 INFO L93 Difference]: Finished difference Result 263 states and 304 transitions. [2024-11-09 11:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:56,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 28 [2024-11-09 11:04:56,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:56,874 INFO L225 Difference]: With dead ends: 263 [2024-11-09 11:04:56,875 INFO L226 Difference]: Without dead ends: 259 [2024-11-09 11:04:56,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:56,876 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 63 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:56,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 61 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-09 11:04:56,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2024-11-09 11:04:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 244 states have (on average 1.2131147540983607) internal successors, (296), 254 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 296 transitions. [2024-11-09 11:04:56,886 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 296 transitions. Word has length 28 [2024-11-09 11:04:56,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:56,886 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 296 transitions. [2024-11-09 11:04:56,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2024-11-09 11:04:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 296 transitions. [2024-11-09 11:04:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:04:56,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:56,888 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:04:56,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:04:56,888 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)] === [2024-11-09 11:04:56,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:56,889 INFO L85 PathProgramCache]: Analyzing trace with hash -653900716, now seen corresponding path program 1 times [2024-11-09 11:04:56,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:56,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983593699] [2024-11-09 11:04:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 11:04:56,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:56,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983593699] [2024-11-09 11:04:56,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983593699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:56,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129357439] [2024-11-09 11:04:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:56,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:56,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:56,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:56,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:04:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:57,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:04:57,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:04:57,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:04:57,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129357439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:57,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:57,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-09 11:04:57,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861597893] [2024-11-09 11:04:57,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:57,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:04:57,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:57,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:04:57,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:04:57,256 INFO L87 Difference]: Start difference. First operand 255 states and 296 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:58,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:58,326 INFO L93 Difference]: Finished difference Result 1144 states and 1391 transitions. [2024-11-09 11:04:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-09 11:04:58,326 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 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 34 [2024-11-09 11:04:58,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:58,329 INFO L225 Difference]: With dead ends: 1144 [2024-11-09 11:04:58,330 INFO L226 Difference]: Without dead ends: 905 [2024-11-09 11:04:58,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 11:04:58,332 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 3040 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:58,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 53 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:04:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-09 11:04:58,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 861. [2024-11-09 11:04:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 850 states have (on average 1.2411764705882353) internal successors, (1055), 860 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1055 transitions. [2024-11-09 11:04:58,362 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1055 transitions. Word has length 34 [2024-11-09 11:04:58,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:58,365 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1055 transitions. [2024-11-09 11:04:58,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1055 transitions. [2024-11-09 11:04:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:04:58,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:58,368 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, 1] [2024-11-09 11:04:58,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:04:58,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 11:04:58,569 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)] === [2024-11-09 11:04:58,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:58,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1792932545, now seen corresponding path program 1 times [2024-11-09 11:04:58,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:58,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596727840] [2024-11-09 11:04:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:58,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:04:58,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:58,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596727840] [2024-11-09 11:04:58,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596727840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:58,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908069537] [2024-11-09 11:04:58,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:58,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:58,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:58,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:58,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:04:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:58,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:04:58,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:04:59,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:04:59,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908069537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:59,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:59,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2024-11-09 11:04:59,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512605585] [2024-11-09 11:04:59,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:59,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 11:04:59,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:59,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 11:04:59,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 11:04:59,472 INFO L87 Difference]: Start difference. First operand 861 states and 1055 transitions. Second operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:00,496 INFO L93 Difference]: Finished difference Result 2744 states and 3395 transitions. [2024-11-09 11:05:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 11:05:00,497 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 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 57 [2024-11-09 11:05:00,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:00,504 INFO L225 Difference]: With dead ends: 2744 [2024-11-09 11:05:00,504 INFO L226 Difference]: Without dead ends: 1917 [2024-11-09 11:05:00,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-11-09 11:05:00,507 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2588 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:00,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 495 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:05:00,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2024-11-09 11:05:00,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1833. [2024-11-09 11:05:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1822 states have (on average 1.2442371020856202) internal successors, (2267), 1832 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2267 transitions. [2024-11-09 11:05:00,582 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2267 transitions. Word has length 57 [2024-11-09 11:05:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:00,582 INFO L471 AbstractCegarLoop]: Abstraction has 1833 states and 2267 transitions. [2024-11-09 11:05:00,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2267 transitions. [2024-11-09 11:05:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 11:05:00,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:00,584 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, 1] [2024-11-09 11:05:00,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:05:00,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:00,789 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)] === [2024-11-09 11:05:00,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:00,789 INFO L85 PathProgramCache]: Analyzing trace with hash -922302399, now seen corresponding path program 2 times [2024-11-09 11:05:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:00,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620411218] [2024-11-09 11:05:00,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:00,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:05:01,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:01,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620411218] [2024-11-09 11:05:01,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620411218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:01,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75117423] [2024-11-09 11:05:01,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:05:01,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:01,569 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:05:01,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:05:01,688 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:05:01,688 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:01,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 11:05:01,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:05:02,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:05:02,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75117423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:02,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:02,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 73 [2024-11-09 11:05:02,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514594496] [2024-11-09 11:05:02,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:02,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-09 11:05:02,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:02,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-09 11:05:02,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2024-11-09 11:05:02,971 INFO L87 Difference]: Start difference. First operand 1833 states and 2267 transitions. Second operand has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 73 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:05,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:05,446 INFO L93 Difference]: Finished difference Result 5720 states and 7103 transitions. [2024-11-09 11:05:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-09 11:05:05,447 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 73 states have internal predecessors, (224), 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 93 [2024-11-09 11:05:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:05,460 INFO L225 Difference]: With dead ends: 5720 [2024-11-09 11:05:05,460 INFO L226 Difference]: Without dead ends: 3957 [2024-11-09 11:05:05,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 11:05:05,466 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 5662 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:05,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5662 Valid, 901 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:05:05,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2024-11-09 11:05:05,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3777. [2024-11-09 11:05:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3777 states, 3766 states have (on average 1.2456186935740838) internal successors, (4691), 3776 states have internal predecessors, (4691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4691 transitions. [2024-11-09 11:05:05,586 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4691 transitions. Word has length 93 [2024-11-09 11:05:05,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:05,587 INFO L471 AbstractCegarLoop]: Abstraction has 3777 states and 4691 transitions. [2024-11-09 11:05:05,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 73 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4691 transitions. [2024-11-09 11:05:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 11:05:05,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:05,589 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, 1] [2024-11-09 11:05:05,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:05:05,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:05,794 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)] === [2024-11-09 11:05:05,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:05,794 INFO L85 PathProgramCache]: Analyzing trace with hash -275897535, now seen corresponding path program 3 times [2024-11-09 11:05:05,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:05,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298000334] [2024-11-09 11:05:05,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:05,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1 proven. 3151 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:05:08,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:08,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298000334] [2024-11-09 11:05:08,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298000334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:08,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068073909] [2024-11-09 11:05:08,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:05:08,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:08,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:08,202 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:05:08,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:05:08,331 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:05:08,331 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:08,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:05:08,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3158 trivial. 0 not checked. [2024-11-09 11:05:08,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3158 trivial. 0 not checked. [2024-11-09 11:05:08,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068073909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:08,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:08,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 4, 4] total 54 [2024-11-09 11:05:08,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539860154] [2024-11-09 11:05:08,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:08,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-09 11:05:08,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:08,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-09 11:05:08,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1193, Invalid=1669, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 11:05:08,979 INFO L87 Difference]: Start difference. First operand 3777 states and 4691 transitions. Second operand has 54 states, 54 states have (on average 3.2777777777777777) internal successors, (177), 54 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:22,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:22,103 INFO L93 Difference]: Finished difference Result 7901 states and 9594 transitions. [2024-11-09 11:05:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-11-09 11:05:22,104 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.2777777777777777) internal successors, (177), 54 states have internal predecessors, (177), 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 165 [2024-11-09 11:05:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:22,118 INFO L225 Difference]: With dead ends: 7901 [2024-11-09 11:05:22,118 INFO L226 Difference]: Without dead ends: 4266 [2024-11-09 11:05:22,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28761 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=25137, Invalid=59835, Unknown=0, NotChecked=0, Total=84972 [2024-11-09 11:05:22,135 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9096 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9096 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:22,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9096 Valid, 119 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 11:05:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2024-11-09 11:05:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 4004. [2024-11-09 11:05:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4004 states, 3993 states have (on average 1.2369146005509641) internal successors, (4939), 4003 states have internal predecessors, (4939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 4004 states and 4939 transitions. [2024-11-09 11:05:22,255 INFO L78 Accepts]: Start accepts. Automaton has 4004 states and 4939 transitions. Word has length 165 [2024-11-09 11:05:22,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:22,256 INFO L471 AbstractCegarLoop]: Abstraction has 4004 states and 4939 transitions. [2024-11-09 11:05:22,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2777777777777777) internal successors, (177), 54 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4939 transitions. [2024-11-09 11:05:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-09 11:05:22,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:22,263 INFO L215 NwaCegarLoop]: trace histogram [141, 141, 141, 3, 3, 3, 2, 1, 1, 1] [2024-11-09 11:05:22,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:05:22,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:05:22,464 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)] === [2024-11-09 11:05:22,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:22,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1980944805, now seen corresponding path program 2 times [2024-11-09 11:05:22,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:22,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598115934] [2024-11-09 11:05:22,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-09 11:05:22,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:22,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598115934] [2024-11-09 11:05:22,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598115934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:22,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426412900] [2024-11-09 11:05:22,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:05:22,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:22,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:22,963 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:05:22,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:05:23,167 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:05:23,168 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:23,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:05:23,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-09 11:05:23,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-09 11:05:24,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426412900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:24,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:24,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:05:24,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297755800] [2024-11-09 11:05:24,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:24,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:05:24,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:24,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:05:24,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:05:24,093 INFO L87 Difference]: Start difference. First operand 4004 states and 4939 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:24,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:24,261 INFO L93 Difference]: Finished difference Result 4004 states and 4939 transitions. [2024-11-09 11:05:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:05:24,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 437 [2024-11-09 11:05:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:24,274 INFO L225 Difference]: With dead ends: 4004 [2024-11-09 11:05:24,274 INFO L226 Difference]: Without dead ends: 4001 [2024-11-09 11:05:24,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:05:24,276 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 120 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:24,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 29 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:05:24,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2024-11-09 11:05:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 2861. [2024-11-09 11:05:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2853 states have (on average 1.1987381703470033) internal successors, (3420), 2860 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 3420 transitions. [2024-11-09 11:05:24,380 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 3420 transitions. Word has length 437 [2024-11-09 11:05:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:24,381 INFO L471 AbstractCegarLoop]: Abstraction has 2861 states and 3420 transitions. [2024-11-09 11:05:24,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 3420 transitions. [2024-11-09 11:05:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2024-11-09 11:05:24,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:24,392 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, 1] [2024-11-09 11:05:24,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:05:24,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:05:24,593 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)] === [2024-11-09 11:05:24,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:24,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2044608278, now seen corresponding path program 4 times [2024-11-09 11:05:24,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:24,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143209889] [2024-11-09 11:05:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:24,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-11-09 11:05:29,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:29,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143209889] [2024-11-09 11:05:29,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143209889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:29,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973573453] [2024-11-09 11:05:29,064 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:05:29,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:29,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:29,066 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:05:29,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:05:29,541 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:05:29,542 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:29,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 11:05:29,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-11-09 11:05:31,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-11-09 11:05:33,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973573453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:33,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:33,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 148 [2024-11-09 11:05:33,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31457429] [2024-11-09 11:05:33,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:33,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2024-11-09 11:05:33,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:33,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2024-11-09 11:05:33,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9607, Invalid=12149, Unknown=0, NotChecked=0, Total=21756 [2024-11-09 11:05:33,821 INFO L87 Difference]: Start difference. First operand 2861 states and 3420 transitions. Second operand has 148 states, 148 states have (on average 3.0675675675675675) internal successors, (454), 148 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:46,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:46,483 INFO L93 Difference]: Finished difference Result 8897 states and 10614 transitions. [2024-11-09 11:05:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-09 11:05:46,484 INFO L78 Accepts]: Start accepts. Automaton has has 148 states, 148 states have (on average 3.0675675675675675) internal successors, (454), 148 states have internal predecessors, (454), 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 603 [2024-11-09 11:05:46,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:46,503 INFO L225 Difference]: With dead ends: 8897 [2024-11-09 11:05:46,503 INFO L226 Difference]: Without dead ends: 6181 [2024-11-09 11:05:46,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1303 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13917 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=14455, Invalid=23765, Unknown=0, NotChecked=0, Total=38220 [2024-11-09 11:05:46,510 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 14450 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14450 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:46,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14450 Valid, 1779 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 11:05:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2024-11-09 11:05:46,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 5801. [2024-11-09 11:05:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5801 states, 5793 states have (on average 1.1993785603314344) internal successors, (6948), 5800 states have internal predecessors, (6948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5801 states to 5801 states and 6948 transitions. [2024-11-09 11:05:46,685 INFO L78 Accepts]: Start accepts. Automaton has 5801 states and 6948 transitions. Word has length 603 [2024-11-09 11:05:46,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:46,686 INFO L471 AbstractCegarLoop]: Abstraction has 5801 states and 6948 transitions. [2024-11-09 11:05:46,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 3.0675675675675675) internal successors, (454), 148 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5801 states and 6948 transitions. [2024-11-09 11:05:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2024-11-09 11:05:46,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:46,718 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, 1] [2024-11-09 11:05:46,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:05:46,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:05:46,919 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)] === [2024-11-09 11:05:46,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 924747782, now seen corresponding path program 5 times [2024-11-09 11:05:46,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:46,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556751234] [2024-11-09 11:05:46,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:06:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 222179 backedges. 83527 proven. 13776 refuted. 0 times theorem prover too weak. 124876 trivial. 0 not checked. [2024-11-09 11:06:00,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:06:00,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556751234] [2024-11-09 11:06:00,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556751234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:06:00,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814828043] [2024-11-09 11:06:00,178 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:06:00,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:06:00,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:06:00,180 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:06:00,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process