./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rew.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rew.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 a4dbd52ad78119a422ea606f98f820bbe5495fb5a7cf8886c665da2d1f9b569e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:52:35,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:52:35,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:52:35,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:52:35,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:52:35,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:52:35,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:52:35,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:52:35,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:52:35,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:52:35,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:52:35,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:52:35,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:52:35,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:52:35,924 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:52:35,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:52:35,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:52:35,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:52:35,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:52:35,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:52:35,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:52:35,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:52:35,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:52:35,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:52:35,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:52:35,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:52:35,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:52:35,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:52:35,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:52:35,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:52:35,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:52:35,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:52:35,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:52:35,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:52:35,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:35,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:52:35,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:52:35,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:52:35,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:52:35,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:52:35,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:52:35,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:52:35,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:52:35,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:52:35,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4dbd52ad78119a422ea606f98f820bbe5495fb5a7cf8886c665da2d1f9b569e [2024-10-13 12:52:36,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:52:36,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:52:36,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:52:36,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:52:36,153 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:52:36,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rew.c [2024-10-13 12:52:37,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:52:37,478 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:52:37,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rew.c [2024-10-13 12:52:37,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8406841f/be425f6f996f49449a9de672d94b6676/FLAG6314df7ae [2024-10-13 12:52:37,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8406841f/be425f6f996f49449a9de672d94b6676 [2024-10-13 12:52:37,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:52:37,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:52:37,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:52:37,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:52:37,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:52:37,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57595c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37, skipping insertion in model container [2024-10-13 12:52:37,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:52:37,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:52:37,667 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:52:37,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:52:37,697 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:52:37,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37 WrapperNode [2024-10-13 12:52:37,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:52:37,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:52:37,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:52:37,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:52:37,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,730 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-10-13 12:52:37,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:52:37,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:52:37,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:52:37,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:52:37,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,754 INFO L175 MemorySlicer]: Split 11 memory accesses to 3 slices as follows [2, 6, 3]. 55 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]. [2024-10-13 12:52:37,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:52:37,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:52:37,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:52:37,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:52:37,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:37,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:37,793 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) [2024-10-13 12:52:37,795 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 [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:52:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 12:52:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 12:52:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:52:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:52:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:52:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:52:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 12:52:37,896 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:52:37,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:52:38,044 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 12:52:38,045 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:52:38,075 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:52:38,076 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 12:52:38,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:38 BoogieIcfgContainer [2024-10-13 12:52:38,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:52:38,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:52:38,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:52:38,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:52:38,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:37" (1/3) ... [2024-10-13 12:52:38,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66805a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:38, skipping insertion in model container [2024-10-13 12:52:38,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (2/3) ... [2024-10-13 12:52:38,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66805a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:38, skipping insertion in model container [2024-10-13 12:52:38,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:38" (3/3) ... [2024-10-13 12:52:38,087 INFO L112 eAbstractionObserver]: Analyzing ICFG rew.c [2024-10-13 12:52:38,101 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:52:38,101 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 12:52:38,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:52:38,162 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;@5915ebac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:52:38,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 12:52:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 12:52:38,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:38,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 12:52:38,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:38,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:38,177 INFO L85 PathProgramCache]: Analyzing trace with hash 3282232, now seen corresponding path program 1 times [2024-10-13 12:52:38,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:38,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933275373] [2024-10-13 12:52:38,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:38,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:38,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933275373] [2024-10-13 12:52:38,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933275373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:38,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:38,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:52:38,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610774269] [2024-10-13 12:52:38,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:38,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:52:38,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:38,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:52:38,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:38,368 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:38,429 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-10-13 12:52:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:52:38,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-13 12:52:38,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:38,437 INFO L225 Difference]: With dead ends: 53 [2024-10-13 12:52:38,437 INFO L226 Difference]: Without dead ends: 35 [2024-10-13 12:52:38,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:38,442 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:38,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 25 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:38,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-13 12:52:38,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2024-10-13 12:52:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-10-13 12:52:38,463 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 4 [2024-10-13 12:52:38,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:38,463 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-10-13 12:52:38,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-10-13 12:52:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 12:52:38,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:38,463 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:38,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:52:38,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:38,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1070400183, now seen corresponding path program 1 times [2024-10-13 12:52:38,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:38,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334395018] [2024-10-13 12:52:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:38,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334395018] [2024-10-13 12:52:38,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334395018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:38,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:38,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:38,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35262440] [2024-10-13 12:52:38,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:38,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:52:38,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:52:38,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:38,589 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-10-13 12:52:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:38,625 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2024-10-13 12:52:38,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:52:38,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 [2024-10-13 12:52:38,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:38,626 INFO L225 Difference]: With dead ends: 55 [2024-10-13 12:52:38,626 INFO L226 Difference]: Without dead ends: 32 [2024-10-13 12:52:38,626 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 [2024-10-13 12:52:38,627 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:38,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:38,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-13 12:52:38,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2024-10-13 12:52:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.434782608695652) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-10-13 12:52:38,632 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 8 [2024-10-13 12:52:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:38,632 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-13 12:52:38,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-10-13 12:52:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-10-13 12:52:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 12:52:38,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:38,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:38,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:52:38,633 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:38,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:38,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1526211218, now seen corresponding path program 1 times [2024-10-13 12:52:38,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:38,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507350547] [2024-10-13 12:52:38,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507350547] [2024-10-13 12:52:38,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507350547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:38,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:38,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:38,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530669490] [2024-10-13 12:52:38,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:38,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:38,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:38,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:38,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:38,736 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:38,803 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2024-10-13 12:52:38,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:38,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-10-13 12:52:38,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:38,804 INFO L225 Difference]: With dead ends: 39 [2024-10-13 12:52:38,804 INFO L226 Difference]: Without dead ends: 37 [2024-10-13 12:52:38,805 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 [2024-10-13 12:52:38,805 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:38,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 34 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:38,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-13 12:52:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-10-13 12:52:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 33 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-10-13 12:52:38,809 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 10 [2024-10-13 12:52:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:38,810 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-10-13 12:52:38,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-10-13 12:52:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 12:52:38,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:38,811 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:38,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:52:38,811 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:38,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:38,813 INFO L85 PathProgramCache]: Analyzing trace with hash 834662864, now seen corresponding path program 1 times [2024-10-13 12:52:38,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:38,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764610699] [2024-10-13 12:52:38,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:38,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:38,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764610699] [2024-10-13 12:52:38,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764610699] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:38,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129573103] [2024-10-13 12:52:38,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:38,910 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) [2024-10-13 12:52:38,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:52:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:52:38,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:39,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129573103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:39,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-13 12:52:39,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389880691] [2024-10-13 12:52:39,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:39,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:39,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:39,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:39,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:39,007 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:39,052 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2024-10-13 12:52:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:39,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-13 12:52:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:39,053 INFO L225 Difference]: With dead ends: 37 [2024-10-13 12:52:39,053 INFO L226 Difference]: Without dead ends: 34 [2024-10-13 12:52:39,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:39,056 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:39,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-13 12:52:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-10-13 12:52:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-10-13 12:52:39,061 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 13 [2024-10-13 12:52:39,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:39,062 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-13 12:52:39,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-10-13 12:52:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 12:52:39,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:39,062 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:39,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:39,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,267 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:39,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash 104745055, now seen corresponding path program 1 times [2024-10-13 12:52:39,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:39,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465764902] [2024-10-13 12:52:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:39,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465764902] [2024-10-13 12:52:39,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465764902] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:39,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896014203] [2024-10-13 12:52:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:39,336 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) [2024-10-13 12:52:39,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:52:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:39,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896014203] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:39,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:39,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 12:52:39,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515829781] [2024-10-13 12:52:39,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:39,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:52:39,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:39,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:52:39,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:39,460 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:39,532 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-10-13 12:52:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:52:39,532 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-13 12:52:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:39,533 INFO L225 Difference]: With dead ends: 48 [2024-10-13 12:52:39,533 INFO L226 Difference]: Without dead ends: 45 [2024-10-13 12:52:39,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:39,534 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:39,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 35 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-13 12:52:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2024-10-13 12:52:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.236842105263158) internal successors, (47), 41 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2024-10-13 12:52:39,539 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 14 [2024-10-13 12:52:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:39,539 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2024-10-13 12:52:39,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2024-10-13 12:52:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 12:52:39,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:39,539 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:39,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 12:52:39,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,744 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:39,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:39,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2016358943, now seen corresponding path program 1 times [2024-10-13 12:52:39,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:39,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996594809] [2024-10-13 12:52:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:52:39,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:39,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996594809] [2024-10-13 12:52:39,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996594809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:39,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:39,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:39,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805272105] [2024-10-13 12:52:39,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:39,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:39,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:39,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:39,802 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:39,841 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2024-10-13 12:52:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:39,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-13 12:52:39,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:39,842 INFO L225 Difference]: With dead ends: 49 [2024-10-13 12:52:39,842 INFO L226 Difference]: Without dead ends: 47 [2024-10-13 12:52:39,843 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 [2024-10-13 12:52:39,843 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:39,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 25 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:39,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-13 12:52:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-13 12:52:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 46 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-10-13 12:52:39,850 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 17 [2024-10-13 12:52:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:39,850 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-10-13 12:52:39,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-10-13 12:52:39,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-13 12:52:39,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:39,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:39,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:52:39,852 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:39,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:39,853 INFO L85 PathProgramCache]: Analyzing trace with hash 819730772, now seen corresponding path program 1 times [2024-10-13 12:52:39,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:39,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901055140] [2024-10-13 12:52:39,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:52:39,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:39,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901055140] [2024-10-13 12:52:39,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901055140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:39,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093910512] [2024-10-13 12:52:39,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:39,954 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) [2024-10-13 12:52:39,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:52:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:40,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:52:40,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:52:40,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093910512] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:40,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:40,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 12:52:40,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756384833] [2024-10-13 12:52:40,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:52:40,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:52:40,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:40,125 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,196 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2024-10-13 12:52:40,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 12:52:40,196 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 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 22 [2024-10-13 12:52:40,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,197 INFO L225 Difference]: With dead ends: 68 [2024-10-13 12:52:40,197 INFO L226 Difference]: Without dead ends: 55 [2024-10-13 12:52:40,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:52:40,197 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 27 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-13 12:52:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-13 12:52:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 54 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) [2024-10-13 12:52:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2024-10-13 12:52:40,202 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 22 [2024-10-13 12:52:40,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,202 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2024-10-13 12:52:40,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-10-13 12:52:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 12:52:40,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 12:52:40,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:40,408 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:40,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,408 INFO L85 PathProgramCache]: Analyzing trace with hash -274919570, now seen corresponding path program 1 times [2024-10-13 12:52:40,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440602950] [2024-10-13 12:52:40,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:52:40,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440602950] [2024-10-13 12:52:40,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440602950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:40,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:40,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:40,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225161043] [2024-10-13 12:52:40,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:40,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:40,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:40,472 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,501 INFO L93 Difference]: Finished difference Result 55 states and 60 transitions. [2024-10-13 12:52:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:40,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-13 12:52:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,504 INFO L225 Difference]: With dead ends: 55 [2024-10-13 12:52:40,504 INFO L226 Difference]: Without dead ends: 54 [2024-10-13 12:52:40,504 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 [2024-10-13 12:52:40,505 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 22 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:40,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-13 12:52:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-13 12:52:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 53 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2024-10-13 12:52:40,511 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 25 [2024-10-13 12:52:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,511 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2024-10-13 12:52:40,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2024-10-13 12:52:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 12:52:40,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,513 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 12:52:40,513 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:40,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,514 INFO L85 PathProgramCache]: Analyzing trace with hash 373766367, now seen corresponding path program 1 times [2024-10-13 12:52:40,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742883271] [2024-10-13 12:52:40,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 12:52:40,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742883271] [2024-10-13 12:52:40,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742883271] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:40,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107227119] [2024-10-13 12:52:40,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:40,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:40,561 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) [2024-10-13 12:52:40,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:52:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:40,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:52:40,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:40,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107227119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:40,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:40,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [2] total 7 [2024-10-13 12:52:40,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421038539] [2024-10-13 12:52:40,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:52:40,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:52:40,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:40,648 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,687 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2024-10-13 12:52:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:52:40,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 [2024-10-13 12:52:40,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,688 INFO L225 Difference]: With dead ends: 83 [2024-10-13 12:52:40,688 INFO L226 Difference]: Without dead ends: 54 [2024-10-13 12:52:40,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:40,689 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-13 12:52:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2024-10-13 12:52:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 49 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2024-10-13 12:52:40,692 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 28 [2024-10-13 12:52:40,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,692 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2024-10-13 12:52:40,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2024-10-13 12:52:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 12:52:40,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,696 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:40,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:40,897 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:40,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash -578170064, now seen corresponding path program 1 times [2024-10-13 12:52:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103388704] [2024-10-13 12:52:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:52:40,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103388704] [2024-10-13 12:52:40,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103388704] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:40,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308657287] [2024-10-13 12:52:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:40,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:40,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:40,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:52:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:41,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:41,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:52:41,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:41,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308657287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:41,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:41,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 12:52:41,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114907357] [2024-10-13 12:52:41,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:41,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:52:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:41,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:52:41,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:52:41,048 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:41,092 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2024-10-13 12:52:41,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:41,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 [2024-10-13 12:52:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:41,093 INFO L225 Difference]: With dead ends: 50 [2024-10-13 12:52:41,093 INFO L226 Difference]: Without dead ends: 49 [2024-10-13 12:52:41,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:52:41,093 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:41,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 21 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-13 12:52:41,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-13 12:52:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 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) [2024-10-13 12:52:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-10-13 12:52:41,096 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 29 [2024-10-13 12:52:41,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:41,096 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-10-13 12:52:41,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-10-13 12:52:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 12:52:41,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:41,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:41,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:41,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-13 12:52:41,298 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:41,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash -743402707, now seen corresponding path program 1 times [2024-10-13 12:52:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962519719] [2024-10-13 12:52:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:41,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:52:41,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:41,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962519719] [2024-10-13 12:52:41,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962519719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:41,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139855915] [2024-10-13 12:52:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:41,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:41,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:41,368 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) [2024-10-13 12:52:41,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 12:52:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:41,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:41,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:52:41,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:52:41,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139855915] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:41,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:41,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:41,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12818697] [2024-10-13 12:52:41,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:41,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:41,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:41,495 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 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) [2024-10-13 12:52:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:41,564 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2024-10-13 12:52:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:41,565 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 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 30 [2024-10-13 12:52:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:41,565 INFO L225 Difference]: With dead ends: 65 [2024-10-13 12:52:41,565 INFO L226 Difference]: Without dead ends: 64 [2024-10-13 12:52:41,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:41,566 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 16 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:41,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:41,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-13 12:52:41,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-13 12:52:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2024-10-13 12:52:41,569 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 30 [2024-10-13 12:52:41,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:41,569 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2024-10-13 12:52:41,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 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) [2024-10-13 12:52:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2024-10-13 12:52:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 12:52:41,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:41,570 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-10-13 12:52:41,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:41,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:41,771 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:41,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash 982987615, now seen corresponding path program 2 times [2024-10-13 12:52:41,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:41,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139915502] [2024-10-13 12:52:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:41,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-13 12:52:41,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:41,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139915502] [2024-10-13 12:52:41,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139915502] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:41,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083344806] [2024-10-13 12:52:41,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:41,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:41,816 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) [2024-10-13 12:52:41,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 12:52:41,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:41,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:41,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:52:41,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-13 12:52:41,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-13 12:52:41,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083344806] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:41,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:41,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-10-13 12:52:41,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500180405] [2024-10-13 12:52:41,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:41,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:41,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:41,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:41,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:41,930 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:41,956 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2024-10-13 12:52:41,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:41,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-13 12:52:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:41,958 INFO L225 Difference]: With dead ends: 64 [2024-10-13 12:52:41,958 INFO L226 Difference]: Without dead ends: 63 [2024-10-13 12:52:41,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:52:41,958 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:41,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 10 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:41,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-13 12:52:41,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 46. [2024-10-13 12:52:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 45 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2024-10-13 12:52:41,961 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 32 [2024-10-13 12:52:41,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:41,962 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2024-10-13 12:52:41,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2024-10-13 12:52:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 12:52:41,962 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:41,962 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:41,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:42,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:42,163 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:52:42,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:42,164 INFO L85 PathProgramCache]: Analyzing trace with hash -502636360, now seen corresponding path program 2 times [2024-10-13 12:52:42,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:42,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473790874] [2024-10-13 12:52:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:42,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-13 12:52:42,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:42,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473790874] [2024-10-13 12:52:42,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473790874] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:42,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995134313] [2024-10-13 12:52:42,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:42,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:42,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:42,250 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) [2024-10-13 12:52:42,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 12:52:42,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:42,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:42,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:42,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-13 12:52:42,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-13 12:52:42,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995134313] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:42,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:42,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2024-10-13 12:52:42,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961817877] [2024-10-13 12:52:42,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:42,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:52:42,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:42,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:52:42,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:42,403 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:42,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:42,511 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2024-10-13 12:52:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 12:52:42,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-10-13 12:52:42,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:42,512 INFO L225 Difference]: With dead ends: 88 [2024-10-13 12:52:42,512 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:52:42,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-10-13 12:52:42,513 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:42,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 16 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:52:42,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:52:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:52:42,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2024-10-13 12:52:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:42,514 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:52:42,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:52:42,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:52:42,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 12:52:42,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 12:52:42,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 12:52:42,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 12:52:42,721 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:42,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:52:42,808 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:52:42,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:42 BoogieIcfgContainer [2024-10-13 12:52:42,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:52:42,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:52:42,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:52:42,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:52:42,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:38" (3/4) ... [2024-10-13 12:52:42,820 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:52:42,825 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-13 12:52:42,825 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 12:52:42,825 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 12:52:42,825 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:52:42,888 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:52:42,888 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:52:42,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:52:42,889 INFO L158 Benchmark]: Toolchain (without parser) took 5390.22ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 151.5MB in the beginning and 186.8MB in the end (delta: -35.3MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,889 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory was 92.0MB in the beginning and 91.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:52:42,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.63ms. Allocated memory is still 182.5MB. Free memory was 151.3MB in the beginning and 142.8MB in the end (delta: 8.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.66ms. Allocated memory is still 182.5MB. Free memory was 142.8MB in the beginning and 141.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,891 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 139.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,891 INFO L158 Benchmark]: RCFGBuilder took 312.64ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 125.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,891 INFO L158 Benchmark]: TraceAbstraction took 4740.12ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 124.7MB in the beginning and 61.7MB in the end (delta: 62.9MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,892 INFO L158 Benchmark]: Witness Printer took 70.26ms. Allocated memory is still 220.2MB. Free memory was 61.7MB in the beginning and 186.8MB in the end (delta: -125.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:52:42,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory was 92.0MB in the beginning and 91.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.63ms. Allocated memory is still 182.5MB. Free memory was 151.3MB in the beginning and 142.8MB in the end (delta: 8.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.66ms. Allocated memory is still 182.5MB. Free memory was 142.8MB in the beginning and 141.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 139.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.64ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 125.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4740.12ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 124.7MB in the beginning and 61.7MB in the end (delta: 62.9MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. * Witness Printer took 70.26ms. Allocated memory is still 220.2MB. Free memory was 61.7MB in the beginning and 186.8MB in the end (delta: -125.0MB). Peak memory consumption was 2.1MB. 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: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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, 28 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 196 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 751 IncrementalHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 142 mSDtfsCounter, 751 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 327 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=11, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 35 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 490 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 607 ConstructedInterpolants, 0 QuantifiedInterpolants, 1525 SizeOfPredicates, 4 NumberOfNonLiveVariables, 759 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 26 InterpolantComputations, 8 PerfectInterpolantSequences, 349/463 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((i == 0) && (SIZE <= 2147483647)) || ((1 <= i) && (SIZE <= 2147483647))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 <= (i + 2147483648)) && (SIZE <= 2147483647)) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:52:42,917 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