./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/nr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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-tiling/nr2.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 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:30:16,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:30:16,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:30:16,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:30:16,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:30:16,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:30:16,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:30:16,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:30:16,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:30:16,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:30:16,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:30:16,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:30:16,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:30:16,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:30:16,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:30:16,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:30:16,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:30:16,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:30:16,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:30:16,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:30:16,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:30:16,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:30:16,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:30:16,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:30:16,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:30:16,702 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:30:16,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:30:16,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:30:16,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:30:16,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:30:16,703 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:30:16,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:30:16,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:30:16,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:30:16,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:30:16,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:30:16,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:30:16,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:30:16,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:30:16,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:30:16,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:30:16,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:30:16,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:30:16,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:30:16,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 [2024-11-10 18:30:16,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:30:17,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:30:17,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:30:17,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:30:17,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:30:17,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr2.c [2024-11-10 18:30:18,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:30:18,908 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:30:18,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr2.c [2024-11-10 18:30:18,918 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c994680b2/0301cdd8f2034c25b0943183fec59a10/FLAG7d536dada [2024-11-10 18:30:18,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c994680b2/0301cdd8f2034c25b0943183fec59a10 [2024-11-10 18:30:18,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:30:18,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:30:18,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:30:18,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:30:18,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:30:18,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:30:18" (1/1) ... [2024-11-10 18:30:18,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af34309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:18, skipping insertion in model container [2024-11-10 18:30:18,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:30:18" (1/1) ... [2024-11-10 18:30:18,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:30:19,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:30:19,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:30:19,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:30:19,242 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:30:19,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19 WrapperNode [2024-11-10 18:30:19,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:30:19,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:30:19,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:30:19,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:30:19,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,288 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2024-11-10 18:30:19,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:30:19,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:30:19,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:30:19,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:30:19,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,323 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 6, 4]. 50 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 2 writes are split as follows [0, 0, 2]. [2024-11-10 18:30:19,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:30:19,342 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:30:19,342 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:30:19,342 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:30:19,343 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (1/1) ... [2024-11-10 18:30:19,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:30:19,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:19,383 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) [2024-11-10 18:30:19,388 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 [2024-11-10 18:30:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:30:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 18:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:30:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:30:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:30:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:30:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 18:30:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:30:19,541 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:30:19,546 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:30:19,853 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-10 18:30:19,853 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:30:19,873 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:30:19,875 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:30:19,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:30:19 BoogieIcfgContainer [2024-11-10 18:30:19,876 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:30:19,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:30:19,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:30:19,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:30:19,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:30:18" (1/3) ... [2024-11-10 18:30:19,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c11a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:30:19, skipping insertion in model container [2024-11-10 18:30:19,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:19" (2/3) ... [2024-11-10 18:30:19,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c11a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:30:19, skipping insertion in model container [2024-11-10 18:30:19,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:30:19" (3/3) ... [2024-11-10 18:30:19,886 INFO L112 eAbstractionObserver]: Analyzing ICFG nr2.c [2024-11-10 18:30:19,921 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:30:19,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 18:30:19,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:30:20,004 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;@38fc05e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:30:20,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-10 18:30:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 63 states have internal predecessors, (75), 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) [2024-11-10 18:30:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:30:20,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:20,016 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:20,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:20,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:20,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2081518147, now seen corresponding path program 1 times [2024-11-10 18:30:20,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:20,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969128893] [2024-11-10 18:30:20,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:20,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:20,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:20,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969128893] [2024-11-10 18:30:20,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969128893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:20,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:20,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:30:20,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391940391] [2024-11-10 18:30:20,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:20,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:30:20,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:30:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:30:20,337 INFO L87 Difference]: Start difference. First operand has 64 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 63 states have internal predecessors, (75), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-10 18:30:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:20,361 INFO L93 Difference]: Finished difference Result 122 states and 141 transitions. [2024-11-10 18:30:20,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:30:20,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-11-10 18:30:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:20,372 INFO L225 Difference]: With dead ends: 122 [2024-11-10 18:30:20,372 INFO L226 Difference]: Without dead ends: 57 [2024-11-10 18:30:20,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:30:20,381 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:20,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:20,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-10 18:30:20,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-10 18:30:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 56 states have internal predecessors, (61), 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) [2024-11-10 18:30:20,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-10 18:30:20,422 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 8 [2024-11-10 18:30:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-10 18:30:20,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-10 18:30:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-10 18:30:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:30:20,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:20,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:20,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:30:20,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:20,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:20,427 INFO L85 PathProgramCache]: Analyzing trace with hash -2081488356, now seen corresponding path program 1 times [2024-11-10 18:30:20,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:20,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622671830] [2024-11-10 18:30:20,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:20,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:20,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:20,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622671830] [2024-11-10 18:30:20,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622671830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:20,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:20,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:20,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553233679] [2024-11-10 18:30:20,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:20,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:20,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:20,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:20,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:20,765 INFO L87 Difference]: Start difference. First operand 57 states and 61 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) [2024-11-10 18:30:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:20,804 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2024-11-10 18:30:20,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:20,805 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 [2024-11-10 18:30:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:20,806 INFO L225 Difference]: With dead ends: 57 [2024-11-10 18:30:20,807 INFO L226 Difference]: Without dead ends: 56 [2024-11-10 18:30:20,807 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 [2024-11-10 18:30:20,808 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:20,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:20,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-10 18:30:20,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-10 18:30:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 55 states have internal predecessors, (60), 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) [2024-11-10 18:30:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2024-11-10 18:30:20,814 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 8 [2024-11-10 18:30:20,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:20,814 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2024-11-10 18:30:20,815 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) [2024-11-10 18:30:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2024-11-10 18:30:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:30:20,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:20,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:20,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:30:20,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:20,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:20,818 INFO L85 PathProgramCache]: Analyzing trace with hash -101629562, now seen corresponding path program 1 times [2024-11-10 18:30:20,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:20,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531473445] [2024-11-10 18:30:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:20,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531473445] [2024-11-10 18:30:21,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531473445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:21,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:21,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:30:21,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697344238] [2024-11-10 18:30:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:21,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:30:21,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:21,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:30:21,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:21,082 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-10 18:30:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:21,128 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2024-11-10 18:30:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:21,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 [2024-11-10 18:30:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:21,129 INFO L225 Difference]: With dead ends: 56 [2024-11-10 18:30:21,130 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:30:21,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:21,131 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 102 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:21,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 52 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:30:21,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-10 18:30:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 54 states have internal predecessors, (59), 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) [2024-11-10 18:30:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2024-11-10 18:30:21,140 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 9 [2024-11-10 18:30:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:21,140 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2024-11-10 18:30:21,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-10 18:30:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2024-11-10 18:30:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:30:21,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:21,141 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:21,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:30:21,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:21,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:21,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1714873783, now seen corresponding path program 1 times [2024-11-10 18:30:21,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:21,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331934930] [2024-11-10 18:30:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331934930] [2024-11-10 18:30:21,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331934930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:21,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:21,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:21,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384715088] [2024-11-10 18:30:21,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:21,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:30:21,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:21,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:30:21,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:30:21,185 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:21,229 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2024-11-10 18:30:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:30:21,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-10 18:30:21,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:21,233 INFO L225 Difference]: With dead ends: 122 [2024-11-10 18:30:21,234 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:30:21,234 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 [2024-11-10 18:30:21,235 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:21,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 85 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:21,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:30:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2024-11-10 18:30:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 56 states have internal predecessors, (61), 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) [2024-11-10 18:30:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-10 18:30:21,248 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 14 [2024-11-10 18:30:21,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:21,248 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-10 18:30:21,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-10 18:30:21,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:30:21,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:21,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:21,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:30:21,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:21,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:21,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1714875535, now seen corresponding path program 1 times [2024-11-10 18:30:21,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:21,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479721540] [2024-11-10 18:30:21,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479721540] [2024-11-10 18:30:21,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479721540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:21,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:21,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:30:21,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060959918] [2024-11-10 18:30:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:21,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:30:21,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:30:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:30:21,325 INFO L87 Difference]: Start difference. First operand 57 states and 61 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) [2024-11-10 18:30:21,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:21,392 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2024-11-10 18:30:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:30:21,392 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 [2024-11-10 18:30:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:21,393 INFO L225 Difference]: With dead ends: 87 [2024-11-10 18:30:21,393 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 18:30:21,394 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 [2024-11-10 18:30:21,395 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 18 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:21,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 71 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 18:30:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-11-10 18:30:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 79 states have internal predecessors, (93), 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) [2024-11-10 18:30:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2024-11-10 18:30:21,402 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 14 [2024-11-10 18:30:21,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:21,403 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2024-11-10 18:30:21,403 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) [2024-11-10 18:30:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-11-10 18:30:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:30:21,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:21,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:21,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:30:21,404 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:21,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:21,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1272052179, now seen corresponding path program 1 times [2024-11-10 18:30:21,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:21,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855063859] [2024-11-10 18:30:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855063859] [2024-11-10 18:30:21,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855063859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:21,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:21,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:21,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841010861] [2024-11-10 18:30:21,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:21,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:21,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:21,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:21,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:21,477 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:21,564 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2024-11-10 18:30:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:21,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-10 18:30:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:21,566 INFO L225 Difference]: With dead ends: 99 [2024-11-10 18:30:21,566 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 18:30:21,567 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 [2024-11-10 18:30:21,568 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 31 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:21,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 90 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:21,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 18:30:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2024-11-10 18:30:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 88 states have internal predecessors, (103), 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) [2024-11-10 18:30:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2024-11-10 18:30:21,575 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 16 [2024-11-10 18:30:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:21,575 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2024-11-10 18:30:21,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2024-11-10 18:30:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 18:30:21,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:21,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:21,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:30:21,581 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:21,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:21,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1485107024, now seen corresponding path program 1 times [2024-11-10 18:30:21,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:21,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76343518] [2024-11-10 18:30:21,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76343518] [2024-11-10 18:30:21,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76343518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:21,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:21,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:21,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690615553] [2024-11-10 18:30:21,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:21,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:21,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:21,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:21,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:21,638 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:21,699 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2024-11-10 18:30:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:21,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-10 18:30:21,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:21,701 INFO L225 Difference]: With dead ends: 100 [2024-11-10 18:30:21,701 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 18:30:21,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:21,702 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:21,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 130 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 18:30:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-10 18:30:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 96 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) [2024-11-10 18:30:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2024-11-10 18:30:21,718 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 18 [2024-11-10 18:30:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:21,718 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2024-11-10 18:30:21,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2024-11-10 18:30:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 18:30:21,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:21,722 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:21,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:30:21,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:21,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:21,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1144548714, now seen corresponding path program 1 times [2024-11-10 18:30:21,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:21,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643269814] [2024-11-10 18:30:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643269814] [2024-11-10 18:30:21,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643269814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:21,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:21,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:21,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286019110] [2024-11-10 18:30:21,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:21,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:21,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:21,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:21,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:21,808 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2024-11-10 18:30:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:21,871 INFO L93 Difference]: Finished difference Result 124 states and 146 transitions. [2024-11-10 18:30:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:21,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 20 [2024-11-10 18:30:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:21,872 INFO L225 Difference]: With dead ends: 124 [2024-11-10 18:30:21,873 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 18:30:21,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:21,874 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:21,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 127 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 18:30:21,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2024-11-10 18:30:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 115 states have internal predecessors, (140), 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) [2024-11-10 18:30:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2024-11-10 18:30:21,889 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 20 [2024-11-10 18:30:21,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:21,889 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2024-11-10 18:30:21,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2024-11-10 18:30:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2024-11-10 18:30:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 18:30:21,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:21,890 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:21,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:30:21,891 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:21,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash 713632357, now seen corresponding path program 1 times [2024-11-10 18:30:21,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:21,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853149507] [2024-11-10 18:30:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:21,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:21,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853149507] [2024-11-10 18:30:21,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853149507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:21,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585631013] [2024-11-10 18:30:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:21,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:21,976 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) [2024-11-10 18:30:21,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:30:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:22,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:22,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:22,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585631013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:22,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:22,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-10 18:30:22,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370045529] [2024-11-10 18:30:22,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:22,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:30:22,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:22,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:30:22,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:30:22,180 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:22,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:22,266 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2024-11-10 18:30:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:22,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-10 18:30:22,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:22,269 INFO L225 Difference]: With dead ends: 199 [2024-11-10 18:30:22,269 INFO L226 Difference]: Without dead ends: 126 [2024-11-10 18:30:22,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:30:22,270 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 37 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:22,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 188 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-10 18:30:22,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2024-11-10 18:30:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 121 states have internal predecessors, (146), 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) [2024-11-10 18:30:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2024-11-10 18:30:22,286 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 26 [2024-11-10 18:30:22,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:22,286 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2024-11-10 18:30:22,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2024-11-10 18:30:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:30:22,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:22,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:22,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:30:22,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:22,489 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:22,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash -301430783, now seen corresponding path program 1 times [2024-11-10 18:30:22,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:22,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310699637] [2024-11-10 18:30:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:22,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 18:30:22,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:22,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310699637] [2024-11-10 18:30:22,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310699637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:22,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:22,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:30:22,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145011878] [2024-11-10 18:30:22,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:22,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:30:22,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:22,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:30:22,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:22,648 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-11-10 18:30:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:22,719 INFO L93 Difference]: Finished difference Result 145 states and 169 transitions. [2024-11-10 18:30:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:22,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-10 18:30:22,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:22,722 INFO L225 Difference]: With dead ends: 145 [2024-11-10 18:30:22,722 INFO L226 Difference]: Without dead ends: 125 [2024-11-10 18:30:22,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:22,723 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 160 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:22,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 63 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:22,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-10 18:30:22,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2024-11-10 18:30:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 108 states have (on average 1.3425925925925926) internal successors, (145), 121 states have internal predecessors, (145), 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) [2024-11-10 18:30:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 145 transitions. [2024-11-10 18:30:22,737 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 145 transitions. Word has length 27 [2024-11-10 18:30:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:22,737 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 145 transitions. [2024-11-10 18:30:22,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-11-10 18:30:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2024-11-10 18:30:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:30:22,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:22,738 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:22,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:30:22,739 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:22,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:22,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1392388261, now seen corresponding path program 1 times [2024-11-10 18:30:22,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:22,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167790952] [2024-11-10 18:30:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:22,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:22,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167790952] [2024-11-10 18:30:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167790952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97387823] [2024-11-10 18:30:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:22,820 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) [2024-11-10 18:30:22,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:30:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:22,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:22,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:22,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:22,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97387823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:22,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:22,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-10 18:30:22,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500566619] [2024-11-10 18:30:22,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:22,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:22,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:22,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:22,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:22,973 INFO L87 Difference]: Start difference. First operand 122 states and 145 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-10 18:30:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:23,023 INFO L93 Difference]: Finished difference Result 206 states and 244 transitions. [2024-11-10 18:30:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:23,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 [2024-11-10 18:30:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:23,024 INFO L225 Difference]: With dead ends: 206 [2024-11-10 18:30:23,025 INFO L226 Difference]: Without dead ends: 113 [2024-11-10 18:30:23,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:23,025 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 46 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:23,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 119 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-10 18:30:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-11-10 18:30:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.2755102040816326) internal successors, (125), 110 states have internal predecessors, (125), 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) [2024-11-10 18:30:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions. [2024-11-10 18:30:23,033 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 28 [2024-11-10 18:30:23,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:23,033 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 125 transitions. [2024-11-10 18:30:23,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-10 18:30:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2024-11-10 18:30:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:30:23,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:23,034 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:23,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:30:23,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 18:30:23,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:23,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:23,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1392349533, now seen corresponding path program 1 times [2024-11-10 18:30:23,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:23,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497549039] [2024-11-10 18:30:23,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:23,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:23,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:23,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497549039] [2024-11-10 18:30:23,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497549039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:23,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855611151] [2024-11-10 18:30:23,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:23,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:23,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:23,378 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) [2024-11-10 18:30:23,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:30:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:23,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:23,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:23,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:23,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855611151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:23,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:23,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 18:30:23,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707777087] [2024-11-10 18:30:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:23,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:23,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:23,558 INFO L87 Difference]: Start difference. First operand 111 states and 125 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-10 18:30:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:23,678 INFO L93 Difference]: Finished difference Result 114 states and 126 transitions. [2024-11-10 18:30:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:23,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 [2024-11-10 18:30:23,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:23,684 INFO L225 Difference]: With dead ends: 114 [2024-11-10 18:30:23,684 INFO L226 Difference]: Without dead ends: 113 [2024-11-10 18:30:23,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:23,685 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 17 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:23,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 107 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:23,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-10 18:30:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-11-10 18:30:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 110 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) [2024-11-10 18:30:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2024-11-10 18:30:23,694 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 28 [2024-11-10 18:30:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:23,695 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2024-11-10 18:30:23,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-10 18:30:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-11-10 18:30:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 18:30:23,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:23,700 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:23,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:30:23,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:23,901 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:23,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -213162547, now seen corresponding path program 1 times [2024-11-10 18:30:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:23,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967802895] [2024-11-10 18:30:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:23,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:30:23,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967802895] [2024-11-10 18:30:23,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967802895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:23,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:23,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:23,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305996945] [2024-11-10 18:30:23,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:23,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:23,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:23,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:23,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:23,963 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-10 18:30:24,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:24,027 INFO L93 Difference]: Finished difference Result 114 states and 125 transitions. [2024-11-10 18:30:24,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:24,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 29 [2024-11-10 18:30:24,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:24,029 INFO L225 Difference]: With dead ends: 114 [2024-11-10 18:30:24,029 INFO L226 Difference]: Without dead ends: 113 [2024-11-10 18:30:24,030 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 [2024-11-10 18:30:24,030 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 13 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:24,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 77 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:24,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-10 18:30:24,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-11-10 18:30:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 110 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2024-11-10 18:30:24,036 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 29 [2024-11-10 18:30:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:24,037 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2024-11-10 18:30:24,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-10 18:30:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2024-11-10 18:30:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 18:30:24,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:24,038 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:24,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:30:24,038 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:24,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:24,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1931207680, now seen corresponding path program 1 times [2024-11-10 18:30:24,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:24,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103076016] [2024-11-10 18:30:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:24,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:30:24,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:24,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103076016] [2024-11-10 18:30:24,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103076016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:24,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:24,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:24,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62164096] [2024-11-10 18:30:24,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:24,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:24,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:24,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:24,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:24,083 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) [2024-11-10 18:30:24,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:24,114 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2024-11-10 18:30:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:24,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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 32 [2024-11-10 18:30:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:24,115 INFO L225 Difference]: With dead ends: 111 [2024-11-10 18:30:24,115 INFO L226 Difference]: Without dead ends: 110 [2024-11-10 18:30:24,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:24,116 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:24,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 107 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-10 18:30:24,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-10 18:30:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 109 states have internal predecessors, (121), 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) [2024-11-10 18:30:24,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2024-11-10 18:30:24,120 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 32 [2024-11-10 18:30:24,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:24,121 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2024-11-10 18:30:24,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) [2024-11-10 18:30:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2024-11-10 18:30:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:30:24,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:24,122 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:24,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 18:30:24,122 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:24,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:24,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2124228485, now seen corresponding path program 1 times [2024-11-10 18:30:24,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:24,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872409501] [2024-11-10 18:30:24,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:24,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:24,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:24,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872409501] [2024-11-10 18:30:24,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872409501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:24,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:24,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:24,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417668686] [2024-11-10 18:30:24,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:24,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:24,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:24,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:24,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:24,171 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) [2024-11-10 18:30:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:24,222 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2024-11-10 18:30:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:24,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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 38 [2024-11-10 18:30:24,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:24,224 INFO L225 Difference]: With dead ends: 116 [2024-11-10 18:30:24,224 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 18:30:24,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:24,224 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:24,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 106 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 18:30:24,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-10 18:30:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 112 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2024-11-10 18:30:24,232 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 38 [2024-11-10 18:30:24,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:24,233 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2024-11-10 18:30:24,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) [2024-11-10 18:30:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2024-11-10 18:30:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 18:30:24,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:24,234 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:24,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 18:30:24,235 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:24,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash 138205387, now seen corresponding path program 1 times [2024-11-10 18:30:24,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:24,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659892986] [2024-11-10 18:30:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:24,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:24,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659892986] [2024-11-10 18:30:24,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659892986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324998244] [2024-11-10 18:30:24,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:24,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:24,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:24,374 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) [2024-11-10 18:30:24,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:30:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:24,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:24,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:24,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:24,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324998244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:24,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:24,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-10 18:30:24,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166379317] [2024-11-10 18:30:24,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:24,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:30:24,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:24,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:30:24,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:30:24,516 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:24,591 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2024-11-10 18:30:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:24,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-10 18:30:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:24,593 INFO L225 Difference]: With dead ends: 113 [2024-11-10 18:30:24,594 INFO L226 Difference]: Without dead ends: 110 [2024-11-10 18:30:24,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:30:24,595 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:24,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 119 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-10 18:30:24,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-10 18:30:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.188118811881188) internal successors, (120), 109 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) [2024-11-10 18:30:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2024-11-10 18:30:24,600 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 48 [2024-11-10 18:30:24,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:24,600 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2024-11-10 18:30:24,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2024-11-10 18:30:24,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 18:30:24,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:24,602 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:24,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:30:24,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:30:24,807 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:24,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:24,808 INFO L85 PathProgramCache]: Analyzing trace with hash -10600288, now seen corresponding path program 1 times [2024-11-10 18:30:24,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:24,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122277299] [2024-11-10 18:30:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:24,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:24,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:24,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122277299] [2024-11-10 18:30:24,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122277299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:24,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290735391] [2024-11-10 18:30:24,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:24,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:24,899 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) [2024-11-10 18:30:24,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:30:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:24,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:24,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:25,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:25,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290735391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:25,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:25,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 18:30:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011791884] [2024-11-10 18:30:25,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:25,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:30:25,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:25,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:30:25,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:25,109 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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) [2024-11-10 18:30:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:25,230 INFO L93 Difference]: Finished difference Result 164 states and 188 transitions. [2024-11-10 18:30:25,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:30:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 49 [2024-11-10 18:30:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:25,233 INFO L225 Difference]: With dead ends: 164 [2024-11-10 18:30:25,233 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 18:30:25,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:25,234 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 48 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:25,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 168 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 18:30:25,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 18:30:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 152 states have (on average 1.1907894736842106) internal successors, (181), 160 states have internal predecessors, (181), 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) [2024-11-10 18:30:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 181 transitions. [2024-11-10 18:30:25,242 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 181 transitions. Word has length 49 [2024-11-10 18:30:25,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:25,242 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 181 transitions. [2024-11-10 18:30:25,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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) [2024-11-10 18:30:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 181 transitions. [2024-11-10 18:30:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 18:30:25,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:25,243 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:25,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:25,444 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,SelfDestructingSolverStorable16 [2024-11-10 18:30:25,444 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:25,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:25,445 INFO L85 PathProgramCache]: Analyzing trace with hash -328608919, now seen corresponding path program 1 times [2024-11-10 18:30:25,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:25,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147269815] [2024-11-10 18:30:25,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:25,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:25,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147269815] [2024-11-10 18:30:25,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147269815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:25,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041843745] [2024-11-10 18:30:25,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:25,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:25,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:25,524 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) [2024-11-10 18:30:25,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:30:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:25,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:25,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:25,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:25,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041843745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:25,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:25,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-10 18:30:25,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464341900] [2024-11-10 18:30:25,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:25,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:25,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:25,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:25,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:25,678 INFO L87 Difference]: Start difference. First operand 161 states and 181 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2024-11-10 18:30:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:25,773 INFO L93 Difference]: Finished difference Result 162 states and 181 transitions. [2024-11-10 18:30:25,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:25,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 50 [2024-11-10 18:30:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:25,775 INFO L225 Difference]: With dead ends: 162 [2024-11-10 18:30:25,775 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 18:30:25,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:25,776 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 23 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:25,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 123 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:25,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 18:30:25,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-10 18:30:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 152 states have (on average 1.1644736842105263) internal successors, (177), 159 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) [2024-11-10 18:30:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 177 transitions. [2024-11-10 18:30:25,782 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 177 transitions. Word has length 50 [2024-11-10 18:30:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:25,782 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 177 transitions. [2024-11-10 18:30:25,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2024-11-10 18:30:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 177 transitions. [2024-11-10 18:30:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 18:30:25,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:25,783 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:25,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:30:25,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 18:30:25,988 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:25,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1596941890, now seen corresponding path program 1 times [2024-11-10 18:30:25,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:25,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033886839] [2024-11-10 18:30:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:25,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:26,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033886839] [2024-11-10 18:30:26,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033886839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:26,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137134353] [2024-11-10 18:30:26,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:26,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:26,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:26,036 INFO L87 Difference]: Start difference. First operand 160 states and 177 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,081 INFO L93 Difference]: Finished difference Result 161 states and 177 transitions. [2024-11-10 18:30:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:26,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-10 18:30:26,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,083 INFO L225 Difference]: With dead ends: 161 [2024-11-10 18:30:26,083 INFO L226 Difference]: Without dead ends: 159 [2024-11-10 18:30:26,083 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 [2024-11-10 18:30:26,083 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 9 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 93 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:26,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-10 18:30:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-10 18:30:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 152 states have (on average 1.138157894736842) internal successors, (173), 158 states have internal predecessors, (173), 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) [2024-11-10 18:30:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 173 transitions. [2024-11-10 18:30:26,089 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 173 transitions. Word has length 51 [2024-11-10 18:30:26,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,089 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 173 transitions. [2024-11-10 18:30:26,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 173 transitions. [2024-11-10 18:30:26,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 18:30:26,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,090 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 18:30:26,091 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash -503489211, now seen corresponding path program 1 times [2024-11-10 18:30:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055136000] [2024-11-10 18:30:26,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:26,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055136000] [2024-11-10 18:30:26,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055136000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:26,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379232485] [2024-11-10 18:30:26,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:26,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:26,160 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) [2024-11-10 18:30:26,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:30:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:26,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:26,259 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:26,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379232485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:26,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:30:26,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064321655] [2024-11-10 18:30:26,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:26,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:30:26,261 INFO L87 Difference]: Start difference. First operand 159 states and 173 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-11-10 18:30:26,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,335 INFO L93 Difference]: Finished difference Result 160 states and 174 transitions. [2024-11-10 18:30:26,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:26,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 61 [2024-11-10 18:30:26,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,337 INFO L225 Difference]: With dead ends: 160 [2024-11-10 18:30:26,337 INFO L226 Difference]: Without dead ends: 159 [2024-11-10 18:30:26,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:30:26,338 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 27 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 146 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:26,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-10 18:30:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2024-11-10 18:30:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 152 states have (on average 1.131578947368421) internal successors, (172), 157 states have internal predecessors, (172), 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) [2024-11-10 18:30:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 172 transitions. [2024-11-10 18:30:26,343 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 172 transitions. Word has length 61 [2024-11-10 18:30:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,344 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 172 transitions. [2024-11-10 18:30:26,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-11-10 18:30:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 172 transitions. [2024-11-10 18:30:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 18:30:26,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,345 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:30:26,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:26,549 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1571703618, now seen corresponding path program 1 times [2024-11-10 18:30:26,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86747294] [2024-11-10 18:30:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:26,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86747294] [2024-11-10 18:30:26,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86747294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:26,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463772938] [2024-11-10 18:30:26,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:26,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:26,629 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) [2024-11-10 18:30:26,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:30:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:26,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:26,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:26,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463772938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:26,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:26,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:30:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459318931] [2024-11-10 18:30:26,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:30:26,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:30:26,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:26,838 INFO L87 Difference]: Start difference. First operand 158 states and 172 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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) [2024-11-10 18:30:26,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,944 INFO L93 Difference]: Finished difference Result 186 states and 205 transitions. [2024-11-10 18:30:26,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:30:26,945 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 62 [2024-11-10 18:30:26,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,946 INFO L225 Difference]: With dead ends: 186 [2024-11-10 18:30:26,946 INFO L226 Difference]: Without dead ends: 185 [2024-11-10 18:30:26,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:26,947 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 62 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 182 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:26,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-10 18:30:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-10 18:30:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 179 states have (on average 1.1284916201117319) internal successors, (202), 184 states have internal predecessors, (202), 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) [2024-11-10 18:30:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 202 transitions. [2024-11-10 18:30:26,953 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 202 transitions. Word has length 62 [2024-11-10 18:30:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,953 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 202 transitions. [2024-11-10 18:30:26,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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) [2024-11-10 18:30:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2024-11-10 18:30:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 18:30:26,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,954 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:30:27,158 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,SelfDestructingSolverStorable20 [2024-11-10 18:30:27,160 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:27,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:27,160 INFO L85 PathProgramCache]: Analyzing trace with hash 933773791, now seen corresponding path program 1 times [2024-11-10 18:30:27,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:27,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347084350] [2024-11-10 18:30:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 18:30:27,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:27,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347084350] [2024-11-10 18:30:27,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347084350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:27,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60990895] [2024-11-10 18:30:27,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:27,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:27,249 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) [2024-11-10 18:30:27,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:30:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:27,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:30:27,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:27,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:27,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60990895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:27,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:27,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-10 18:30:27,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610742386] [2024-11-10 18:30:27,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:27,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:30:27,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:27,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:30:27,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:27,447 INFO L87 Difference]: Start difference. First operand 185 states and 202 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-11-10 18:30:27,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:27,562 INFO L93 Difference]: Finished difference Result 185 states and 202 transitions. [2024-11-10 18:30:27,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:30:27,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 62 [2024-11-10 18:30:27,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:27,563 INFO L225 Difference]: With dead ends: 185 [2024-11-10 18:30:27,564 INFO L226 Difference]: Without dead ends: 184 [2024-11-10 18:30:27,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:27,564 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:27,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 116 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:27,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-10 18:30:27,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-10 18:30:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.1173184357541899) internal successors, (200), 183 states have internal predecessors, (200), 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) [2024-11-10 18:30:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 200 transitions. [2024-11-10 18:30:27,571 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 200 transitions. Word has length 62 [2024-11-10 18:30:27,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:27,571 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 200 transitions. [2024-11-10 18:30:27,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-11-10 18:30:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 200 transitions. [2024-11-10 18:30:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 18:30:27,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:27,572 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:27,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:30:27,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:27,777 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:27,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:27,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1117783535, now seen corresponding path program 1 times [2024-11-10 18:30:27,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:27,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553351477] [2024-11-10 18:30:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 18:30:27,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553351477] [2024-11-10 18:30:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553351477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:27,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:27,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:27,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647231698] [2024-11-10 18:30:27,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:27,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:27,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:27,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:27,844 INFO L87 Difference]: Start difference. First operand 184 states and 200 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-10 18:30:27,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:27,912 INFO L93 Difference]: Finished difference Result 184 states and 200 transitions. [2024-11-10 18:30:27,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:27,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 63 [2024-11-10 18:30:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:27,914 INFO L225 Difference]: With dead ends: 184 [2024-11-10 18:30:27,914 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 18:30:27,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:27,915 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 33 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:27,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 69 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 18:30:27,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-10 18:30:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 179 states have (on average 1.106145251396648) internal successors, (198), 182 states have internal predecessors, (198), 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) [2024-11-10 18:30:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 198 transitions. [2024-11-10 18:30:27,923 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 198 transitions. Word has length 63 [2024-11-10 18:30:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:27,923 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 198 transitions. [2024-11-10 18:30:27,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-10 18:30:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 198 transitions. [2024-11-10 18:30:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 18:30:27,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:27,925 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:27,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 18:30:27,925 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:27,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:27,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1276175259, now seen corresponding path program 2 times [2024-11-10 18:30:27,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:27,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454669903] [2024-11-10 18:30:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:30:28,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:28,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454669903] [2024-11-10 18:30:28,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454669903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:28,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241343391] [2024-11-10 18:30:28,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:30:28,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:28,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:28,451 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) [2024-11-10 18:30:28,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:30:28,513 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:30:28,513 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:30:28,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:28,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-10 18:30:28,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-10 18:30:28,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241343391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:28,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:28,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 4, 4] total 20 [2024-11-10 18:30:28,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608227349] [2024-11-10 18:30:28,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:28,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 18:30:28,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 18:30:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:30:28,757 INFO L87 Difference]: Start difference. First operand 183 states and 198 transitions. Second operand has 20 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 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) [2024-11-10 18:30:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:29,116 INFO L93 Difference]: Finished difference Result 228 states and 249 transitions. [2024-11-10 18:30:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 18:30:29,116 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 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 89 [2024-11-10 18:30:29,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:29,117 INFO L225 Difference]: With dead ends: 228 [2024-11-10 18:30:29,117 INFO L226 Difference]: Without dead ends: 137 [2024-11-10 18:30:29,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=857, Unknown=0, NotChecked=0, Total=1056 [2024-11-10 18:30:29,120 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 245 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:29,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 228 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:30:29,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-10 18:30:29,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-10 18:30:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.0746268656716418) internal successors, (144), 136 states have internal predecessors, (144), 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) [2024-11-10 18:30:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 144 transitions. [2024-11-10 18:30:29,126 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 144 transitions. Word has length 89 [2024-11-10 18:30:29,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:29,126 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 144 transitions. [2024-11-10 18:30:29,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 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) [2024-11-10 18:30:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2024-11-10 18:30:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 18:30:29,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:29,127 INFO L215 NwaCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:29,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:30:29,328 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,SelfDestructingSolverStorable23 [2024-11-10 18:30:29,329 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:29,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:29,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1352825752, now seen corresponding path program 1 times [2024-11-10 18:30:29,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:29,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393854986] [2024-11-10 18:30:29,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:29,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:30:29,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:29,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393854986] [2024-11-10 18:30:29,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393854986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:29,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:29,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:29,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165102493] [2024-11-10 18:30:29,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:29,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:29,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:29,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:29,390 INFO L87 Difference]: Start difference. First operand 137 states and 144 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:29,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:29,421 INFO L93 Difference]: Finished difference Result 137 states and 144 transitions. [2024-11-10 18:30:29,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:29,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-10 18:30:29,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:29,422 INFO L225 Difference]: With dead ends: 137 [2024-11-10 18:30:29,422 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 18:30:29,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:29,423 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:29,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:29,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 18:30:29,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-10 18:30:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 134 states have (on average 1.0671641791044777) internal successors, (143), 135 states have internal predecessors, (143), 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) [2024-11-10 18:30:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 143 transitions. [2024-11-10 18:30:29,428 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 143 transitions. Word has length 107 [2024-11-10 18:30:29,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:29,428 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 143 transitions. [2024-11-10 18:30:29,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2024-11-10 18:30:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 18:30:29,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:29,430 INFO L215 NwaCegarLoop]: trace histogram [10, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:29,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 18:30:29,434 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:29,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:29,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1824932904, now seen corresponding path program 2 times [2024-11-10 18:30:29,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:29,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301127688] [2024-11-10 18:30:29,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:29,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-11-10 18:30:29,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:29,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301127688] [2024-11-10 18:30:29,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301127688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:29,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686752343] [2024-11-10 18:30:29,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:30:29,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:29,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:29,709 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) [2024-11-10 18:30:29,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:30:29,772 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:30:29,772 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:30:29,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:29,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-10 18:30:30,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-10 18:30:30,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686752343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:30,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:30,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 8 [2024-11-10 18:30:30,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836772567] [2024-11-10 18:30:30,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:30,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:30:30,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:30,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:30:30,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:30,252 INFO L87 Difference]: Start difference. First operand 136 states and 143 transitions. Second operand has 9 states, 8 states have (on average 13.25) internal successors, (106), 9 states have internal predecessors, (106), 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) [2024-11-10 18:30:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:30,291 INFO L93 Difference]: Finished difference Result 136 states and 143 transitions. [2024-11-10 18:30:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:30:30,292 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.25) internal successors, (106), 9 states have internal predecessors, (106), 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 117 [2024-11-10 18:30:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:30,292 INFO L225 Difference]: With dead ends: 136 [2024-11-10 18:30:30,292 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:30:30,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 228 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:30,293 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:30,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 22 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:30,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:30:30,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:30:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:30:30,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2024-11-10 18:30:30,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:30,294 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:30:30,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.25) internal successors, (106), 9 states have internal predecessors, (106), 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) [2024-11-10 18:30:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:30:30,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:30:30,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-10 18:30:30,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-10 18:30:30,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-10 18:30:30,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-10 18:30:30,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-10 18:30:30,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-10 18:30:30,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-10 18:30:30,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-10 18:30:30,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-10 18:30:30,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-10 18:30:30,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-10 18:30:30,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-10 18:30:30,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-10 18:30:30,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-10 18:30:30,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-10 18:30:30,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-10 18:30:30,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:30:30,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 18:30:30,504 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:30,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:30:30,739 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:30:30,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:30:30 BoogieIcfgContainer [2024-11-10 18:30:30,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:30:30,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:30:30,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:30:30,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:30:30,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:30:19" (3/4) ... [2024-11-10 18:30:30,753 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:30:30,760 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-10 18:30:30,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 18:30:30,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:30:30,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:30:30,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:30:30,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:30:30,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:30:30,851 INFO L158 Benchmark]: Toolchain (without parser) took 11911.59ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 99.9MB in the beginning and 87.5MB in the end (delta: 12.4MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,851 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 125.8MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:30:30,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.36ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 86.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.27ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 85.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,852 INFO L158 Benchmark]: Boogie Preprocessor took 51.44ms. Allocated memory is still 167.8MB. Free memory was 85.2MB in the beginning and 83.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,852 INFO L158 Benchmark]: IcfgBuilder took 534.02ms. Allocated memory is still 167.8MB. Free memory was 83.4MB in the beginning and 66.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,852 INFO L158 Benchmark]: TraceAbstraction took 10872.03ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 66.4MB in the beginning and 92.7MB in the end (delta: -26.4MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,852 INFO L158 Benchmark]: Witness Printer took 100.13ms. Allocated memory is still 272.6MB. Free memory was 92.7MB in the beginning and 87.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:30:30,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 125.8MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.36ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 86.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.27ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 85.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.44ms. Allocated memory is still 167.8MB. Free memory was 85.2MB in the beginning and 83.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 534.02ms. Allocated memory is still 167.8MB. Free memory was 83.4MB in the beginning and 66.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10872.03ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 66.4MB in the beginning and 92.7MB in the end (delta: -26.4MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Witness Printer took 100.13ms. Allocated memory is still 272.6MB. Free memory was 92.7MB in the beginning and 87.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 26, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1051 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1051 mSDsluCounter, 2759 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1728 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2302 IncrementalHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 1031 mSDtfsCounter, 2302 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1078 GetRequests, 936 SyntacticMatches, 7 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=21, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 47 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1694 NumberOfCodeBlocks, 1522 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1995 ConstructedInterpolants, 0 QuantifiedInterpolants, 7022 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1236 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 42 InterpolantComputations, 21 PerfectInterpolantSequences, 1454/1747 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - InvariantResult [Line: 43]: Location Invariant Derived location invariant: null - InvariantResult [Line: 28]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:30:30,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE