./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.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 a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:01:57,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:01:57,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:01:57,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:01:57,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:01:57,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:01:57,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:01:57,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:01:57,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:01:57,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:01:57,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:01:57,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:01:57,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:01:57,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:01:57,407 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:01:57,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:01:57,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:01:57,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:01:57,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:01:57,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:01:57,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:01:57,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:01:57,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:01:57,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:01:57,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:01:57,409 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:01:57,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:01:57,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:01:57,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:01:57,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:01:57,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:01:57,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:01:57,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:01:57,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:01:57,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:01:57,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:01:57,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:01:57,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:01:57,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:01:57,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:01:57,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:01:57,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:01:57,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:01:57,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:01:57,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f [2024-11-22 22:01:57,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:01:57,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:01:57,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:01:57,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:01:57,626 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:01:57,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-22 22:01:59,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:01:59,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:01:59,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-22 22:01:59,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9604e4419/8cd5b97f6c8f4ab3906e81cb655f8ae8/FLAGa3c184dd1 [2024-11-22 22:01:59,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9604e4419/8cd5b97f6c8f4ab3906e81cb655f8ae8 [2024-11-22 22:01:59,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:01:59,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:01:59,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:01:59,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:01:59,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:01:59,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326c49b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59, skipping insertion in model container [2024-11-22 22:01:59,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:01:59,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:01:59,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:01:59,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:01:59,549 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:01:59,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59 WrapperNode [2024-11-22 22:01:59,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:01:59,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:01:59,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:01:59,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:01:59,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,651 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 649 [2024-11-22 22:01:59,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:01:59,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:01:59,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:01:59,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:01:59,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,729 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 22:01:59,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:01:59,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:01:59,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:01:59,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:01:59,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (1/1) ... [2024-11-22 22:01:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:01:59,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:01:59,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:01:59,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:01:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:01:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:01:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:01:59,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:01:59,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:01:59,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:01:59,942 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-22 22:02:00,378 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2024-11-22 22:02:00,378 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2024-11-22 22:02:00,412 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-11-22 22:02:00,412 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:02:00,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:02:00,424 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:02:00,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:00 BoogieIcfgContainer [2024-11-22 22:02:00,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:02:00,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:02:00,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:02:00,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:02:00,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:01:59" (1/3) ... [2024-11-22 22:02:00,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fecc8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:02:00, skipping insertion in model container [2024-11-22 22:02:00,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:01:59" (2/3) ... [2024-11-22 22:02:00,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fecc8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:02:00, skipping insertion in model container [2024-11-22 22:02:00,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:00" (3/3) ... [2024-11-22 22:02:00,431 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2024-11-22 22:02:00,444 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:02:00,444 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 22:02:00,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:02:00,521 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;@50af1540, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:02:00,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 22:02:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 173 states have (on average 1.716763005780347) internal successors, (297), 177 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:02:00,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:00,533 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:00,534 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:00,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1337000495, now seen corresponding path program 1 times [2024-11-22 22:02:00,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:00,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21472293] [2024-11-22 22:02:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:00,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:00,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:00,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21472293] [2024-11-22 22:02:00,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21472293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:00,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:00,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:00,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437535033] [2024-11-22 22:02:00,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:00,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:00,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:00,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:00,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:00,849 INFO L87 Difference]: Start difference. First operand has 178 states, 173 states have (on average 1.716763005780347) internal successors, (297), 177 states have internal predecessors, (297), 0 states have call successors, (0), 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, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:00,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:00,999 INFO L93 Difference]: Finished difference Result 364 states and 609 transitions. [2024-11-22 22:02:01,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:01,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-22 22:02:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:01,013 INFO L225 Difference]: With dead ends: 364 [2024-11-22 22:02:01,013 INFO L226 Difference]: Without dead ends: 180 [2024-11-22 22:02:01,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,025 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 94 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:01,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 381 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-22 22:02:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-22 22:02:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 176 states have (on average 1.5625) internal successors, (275), 179 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 275 transitions. [2024-11-22 22:02:01,095 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 275 transitions. Word has length 19 [2024-11-22 22:02:01,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:01,095 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 275 transitions. [2024-11-22 22:02:01,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 275 transitions. [2024-11-22 22:02:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 22:02:01,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:01,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:01,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:02:01,097 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:01,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:01,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1754046060, now seen corresponding path program 1 times [2024-11-22 22:02:01,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:01,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518579978] [2024-11-22 22:02:01,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:01,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:01,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:01,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518579978] [2024-11-22 22:02:01,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518579978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:01,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:01,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:01,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577523468] [2024-11-22 22:02:01,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:01,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:01,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:01,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:01,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,177 INFO L87 Difference]: Start difference. First operand 180 states and 275 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:01,292 INFO L93 Difference]: Finished difference Result 355 states and 540 transitions. [2024-11-22 22:02:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:01,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-22 22:02:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:01,298 INFO L225 Difference]: With dead ends: 355 [2024-11-22 22:02:01,298 INFO L226 Difference]: Without dead ends: 189 [2024-11-22 22:02:01,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,300 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 81 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:01,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 303 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-22 22:02:01,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 181. [2024-11-22 22:02:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 177 states have (on average 1.5593220338983051) internal successors, (276), 180 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 276 transitions. [2024-11-22 22:02:01,316 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 276 transitions. Word has length 20 [2024-11-22 22:02:01,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:01,320 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 276 transitions. [2024-11-22 22:02:01,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2024-11-22 22:02:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 22:02:01,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:01,321 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:01,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:02:01,321 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:01,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash 340971783, now seen corresponding path program 1 times [2024-11-22 22:02:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:01,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104258175] [2024-11-22 22:02:01,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:01,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:01,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104258175] [2024-11-22 22:02:01,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104258175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:01,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:01,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:01,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674295971] [2024-11-22 22:02:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:01,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:01,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,379 INFO L87 Difference]: Start difference. First operand 181 states and 276 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:01,476 INFO L93 Difference]: Finished difference Result 366 states and 560 transitions. [2024-11-22 22:02:01,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:01,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-22 22:02:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:01,479 INFO L225 Difference]: With dead ends: 366 [2024-11-22 22:02:01,479 INFO L226 Difference]: Without dead ends: 199 [2024-11-22 22:02:01,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,482 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 36 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:01,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 380 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-22 22:02:01,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-22 22:02:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 195 states have (on average 1.5333333333333334) internal successors, (299), 198 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 299 transitions. [2024-11-22 22:02:01,498 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 299 transitions. Word has length 21 [2024-11-22 22:02:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:01,501 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 299 transitions. [2024-11-22 22:02:01,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 299 transitions. [2024-11-22 22:02:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:02:01,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:01,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:01,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:02:01,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:01,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:01,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1548383466, now seen corresponding path program 1 times [2024-11-22 22:02:01,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:01,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969858193] [2024-11-22 22:02:01,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:01,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:01,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:01,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969858193] [2024-11-22 22:02:01,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969858193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:01,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:01,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:01,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323800319] [2024-11-22 22:02:01,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:01,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:01,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:01,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:01,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,566 INFO L87 Difference]: Start difference. First operand 199 states and 299 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2024-11-22 22:02:01,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:01,695 INFO L93 Difference]: Finished difference Result 436 states and 666 transitions. [2024-11-22 22:02:01,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:01,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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 37 [2024-11-22 22:02:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:01,696 INFO L225 Difference]: With dead ends: 436 [2024-11-22 22:02:01,697 INFO L226 Difference]: Without dead ends: 251 [2024-11-22 22:02:01,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,701 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 54 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:01,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 351 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:01,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-22 22:02:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 231. [2024-11-22 22:02:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 227 states have (on average 1.52863436123348) internal successors, (347), 230 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 347 transitions. [2024-11-22 22:02:01,716 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 347 transitions. Word has length 37 [2024-11-22 22:02:01,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:01,718 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 347 transitions. [2024-11-22 22:02:01,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2024-11-22 22:02:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 347 transitions. [2024-11-22 22:02:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:02:01,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:01,719 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:01,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:02:01,721 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:01,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:01,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1345495540, now seen corresponding path program 1 times [2024-11-22 22:02:01,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:01,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401856800] [2024-11-22 22:02:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:01,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:01,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401856800] [2024-11-22 22:02:01,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401856800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:01,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:01,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:01,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627908145] [2024-11-22 22:02:01,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:01,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:01,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:01,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:01,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,776 INFO L87 Difference]: Start difference. First operand 231 states and 347 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:01,907 INFO L93 Difference]: Finished difference Result 519 states and 792 transitions. [2024-11-22 22:02:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:01,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-22 22:02:01,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:01,909 INFO L225 Difference]: With dead ends: 519 [2024-11-22 22:02:01,909 INFO L226 Difference]: Without dead ends: 280 [2024-11-22 22:02:01,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:01,911 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 78 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:01,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 340 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:01,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-22 22:02:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2024-11-22 22:02:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 268 states have (on average 1.5) internal successors, (402), 271 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 402 transitions. [2024-11-22 22:02:01,928 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 402 transitions. Word has length 38 [2024-11-22 22:02:01,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:01,929 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 402 transitions. [2024-11-22 22:02:01,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 402 transitions. [2024-11-22 22:02:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-22 22:02:01,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:01,931 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:01,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:02:01,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:01,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:01,935 INFO L85 PathProgramCache]: Analyzing trace with hash 897739899, now seen corresponding path program 1 times [2024-11-22 22:02:01,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:01,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379192866] [2024-11-22 22:02:01,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:01,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 22:02:02,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:02,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379192866] [2024-11-22 22:02:02,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379192866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:02,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:02,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:02,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876232177] [2024-11-22 22:02:02,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:02,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:02,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:02,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:02,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,011 INFO L87 Difference]: Start difference. First operand 272 states and 402 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:02,180 INFO L93 Difference]: Finished difference Result 581 states and 862 transitions. [2024-11-22 22:02:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:02,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 59 [2024-11-22 22:02:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:02,184 INFO L225 Difference]: With dead ends: 581 [2024-11-22 22:02:02,184 INFO L226 Difference]: Without dead ends: 320 [2024-11-22 22:02:02,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,185 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 78 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:02,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 310 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:02:02,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-22 22:02:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2024-11-22 22:02:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 308 states have (on average 1.5097402597402598) internal successors, (465), 311 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 465 transitions. [2024-11-22 22:02:02,196 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 465 transitions. Word has length 59 [2024-11-22 22:02:02,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:02,198 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 465 transitions. [2024-11-22 22:02:02,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 465 transitions. [2024-11-22 22:02:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 22:02:02,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:02,201 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:02,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:02:02,201 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:02,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:02,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1683375660, now seen corresponding path program 1 times [2024-11-22 22:02:02,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:02,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367696050] [2024-11-22 22:02:02,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:02,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 22:02:02,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:02,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367696050] [2024-11-22 22:02:02,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367696050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:02,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:02,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334997529] [2024-11-22 22:02:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:02,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:02,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:02,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:02,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,253 INFO L87 Difference]: Start difference. First operand 312 states and 465 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:02,593 INFO L93 Difference]: Finished difference Result 671 states and 1005 transitions. [2024-11-22 22:02:02,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 84 [2024-11-22 22:02:02,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:02,595 INFO L225 Difference]: With dead ends: 671 [2024-11-22 22:02:02,595 INFO L226 Difference]: Without dead ends: 373 [2024-11-22 22:02:02,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,596 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 36 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:02,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 395 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:02:02,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-22 22:02:02,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2024-11-22 22:02:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 356 states have (on average 1.4269662921348314) internal successors, (508), 359 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 508 transitions. [2024-11-22 22:02:02,615 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 508 transitions. Word has length 84 [2024-11-22 22:02:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:02,615 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 508 transitions. [2024-11-22 22:02:02,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 508 transitions. [2024-11-22 22:02:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 22:02:02,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:02,621 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:02,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:02:02,621 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:02,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:02,621 INFO L85 PathProgramCache]: Analyzing trace with hash 562203794, now seen corresponding path program 1 times [2024-11-22 22:02:02,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:02,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128353320] [2024-11-22 22:02:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 22:02:02,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:02,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128353320] [2024-11-22 22:02:02,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128353320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:02,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:02,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:02,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284524119] [2024-11-22 22:02:02,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:02,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:02,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:02,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:02,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,692 INFO L87 Difference]: Start difference. First operand 360 states and 508 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:02,787 INFO L93 Difference]: Finished difference Result 729 states and 1025 transitions. [2024-11-22 22:02:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:02,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 84 [2024-11-22 22:02:02,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:02,789 INFO L225 Difference]: With dead ends: 729 [2024-11-22 22:02:02,789 INFO L226 Difference]: Without dead ends: 383 [2024-11-22 22:02:02,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,791 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:02,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 415 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:02,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-22 22:02:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2024-11-22 22:02:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 379 states have (on average 1.4142480211081794) internal successors, (536), 382 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 536 transitions. [2024-11-22 22:02:02,801 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 536 transitions. Word has length 84 [2024-11-22 22:02:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:02,802 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 536 transitions. [2024-11-22 22:02:02,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 536 transitions. [2024-11-22 22:02:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 22:02:02,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:02,805 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:02,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:02:02,805 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:02,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:02,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2069573724, now seen corresponding path program 1 times [2024-11-22 22:02:02,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:02,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425917522] [2024-11-22 22:02:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 22:02:02,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:02,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425917522] [2024-11-22 22:02:02,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425917522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:02,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:02,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:02,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160075663] [2024-11-22 22:02:02,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:02,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:02,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:02,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:02,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:02,874 INFO L87 Difference]: Start difference. First operand 383 states and 536 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:03,022 INFO L93 Difference]: Finished difference Result 764 states and 1067 transitions. [2024-11-22 22:02:03,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:03,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2024-11-22 22:02:03,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:03,024 INFO L225 Difference]: With dead ends: 764 [2024-11-22 22:02:03,024 INFO L226 Difference]: Without dead ends: 394 [2024-11-22 22:02:03,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,025 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 79 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:03,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 307 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-22 22:02:03,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 386. [2024-11-22 22:02:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 382 states have (on average 1.4136125654450262) internal successors, (540), 385 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 540 transitions. [2024-11-22 22:02:03,064 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 540 transitions. Word has length 99 [2024-11-22 22:02:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:03,064 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 540 transitions. [2024-11-22 22:02:03,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 540 transitions. [2024-11-22 22:02:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-22 22:02:03,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:03,066 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:03,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:02:03,066 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:03,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:03,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1088997587, now seen corresponding path program 1 times [2024-11-22 22:02:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:03,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117466195] [2024-11-22 22:02:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 22:02:03,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117466195] [2024-11-22 22:02:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117466195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:03,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:03,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:03,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697356510] [2024-11-22 22:02:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:03,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:03,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:03,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:03,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,140 INFO L87 Difference]: Start difference. First operand 386 states and 540 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:03,246 INFO L93 Difference]: Finished difference Result 783 states and 1093 transitions. [2024-11-22 22:02:03,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:03,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-22 22:02:03,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:03,248 INFO L225 Difference]: With dead ends: 783 [2024-11-22 22:02:03,248 INFO L226 Difference]: Without dead ends: 411 [2024-11-22 22:02:03,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,249 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:03,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:03,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-22 22:02:03,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-22 22:02:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 407 states have (on average 1.4004914004914004) internal successors, (570), 410 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 570 transitions. [2024-11-22 22:02:03,261 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 570 transitions. Word has length 105 [2024-11-22 22:02:03,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:03,261 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 570 transitions. [2024-11-22 22:02:03,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 570 transitions. [2024-11-22 22:02:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-22 22:02:03,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:03,263 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:03,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:02:03,264 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:03,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:03,264 INFO L85 PathProgramCache]: Analyzing trace with hash -73613102, now seen corresponding path program 1 times [2024-11-22 22:02:03,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:03,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606962028] [2024-11-22 22:02:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:03,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-22 22:02:03,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:03,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606962028] [2024-11-22 22:02:03,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606962028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:03,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:03,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:03,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207194283] [2024-11-22 22:02:03,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:03,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:03,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:03,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:03,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,326 INFO L87 Difference]: Start difference. First operand 411 states and 570 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:03,424 INFO L93 Difference]: Finished difference Result 835 states and 1157 transitions. [2024-11-22 22:02:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:03,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 132 [2024-11-22 22:02:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:03,426 INFO L225 Difference]: With dead ends: 835 [2024-11-22 22:02:03,426 INFO L226 Difference]: Without dead ends: 438 [2024-11-22 22:02:03,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,427 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:03,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:03,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-22 22:02:03,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2024-11-22 22:02:03,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 434 states have (on average 1.3870967741935485) internal successors, (602), 437 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 602 transitions. [2024-11-22 22:02:03,438 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 602 transitions. Word has length 132 [2024-11-22 22:02:03,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:03,438 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 602 transitions. [2024-11-22 22:02:03,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 602 transitions. [2024-11-22 22:02:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 22:02:03,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:03,440 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:03,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 22:02:03,440 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:03,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash 899100067, now seen corresponding path program 1 times [2024-11-22 22:02:03,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:03,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942407821] [2024-11-22 22:02:03,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:03,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:03,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:03,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942407821] [2024-11-22 22:02:03,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942407821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:03,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:03,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:03,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884512185] [2024-11-22 22:02:03,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:03,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:03,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:03,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:03,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,509 INFO L87 Difference]: Start difference. First operand 438 states and 602 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:03,624 INFO L93 Difference]: Finished difference Result 901 states and 1237 transitions. [2024-11-22 22:02:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:03,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 134 [2024-11-22 22:02:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:03,626 INFO L225 Difference]: With dead ends: 901 [2024-11-22 22:02:03,626 INFO L226 Difference]: Without dead ends: 477 [2024-11-22 22:02:03,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,627 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 79 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:03,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 320 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:03,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-22 22:02:03,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 452. [2024-11-22 22:02:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 448 states have (on average 1.3861607142857142) internal successors, (621), 451 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 621 transitions. [2024-11-22 22:02:03,634 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 621 transitions. Word has length 134 [2024-11-22 22:02:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:03,634 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 621 transitions. [2024-11-22 22:02:03,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 621 transitions. [2024-11-22 22:02:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 22:02:03,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:03,636 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:03,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:02:03,636 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:03,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1612556305, now seen corresponding path program 1 times [2024-11-22 22:02:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:03,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311205131] [2024-11-22 22:02:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:03,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:03,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:03,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311205131] [2024-11-22 22:02:03,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311205131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:03,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:03,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:03,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192428096] [2024-11-22 22:02:03,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:03,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:03,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,677 INFO L87 Difference]: Start difference. First operand 452 states and 621 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:03,768 INFO L93 Difference]: Finished difference Result 929 states and 1273 transitions. [2024-11-22 22:02:03,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:03,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2024-11-22 22:02:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:03,770 INFO L225 Difference]: With dead ends: 929 [2024-11-22 22:02:03,770 INFO L226 Difference]: Without dead ends: 491 [2024-11-22 22:02:03,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:03,771 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 36 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:03,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 420 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-22 22:02:03,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 473. [2024-11-22 22:02:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 469 states have (on average 1.3795309168443497) internal successors, (647), 472 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 647 transitions. [2024-11-22 22:02:03,778 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 647 transitions. Word has length 147 [2024-11-22 22:02:03,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:03,778 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 647 transitions. [2024-11-22 22:02:03,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 647 transitions. [2024-11-22 22:02:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-22 22:02:03,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:03,780 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:03,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:02:03,780 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:03,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash 874643371, now seen corresponding path program 1 times [2024-11-22 22:02:03,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:03,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831868534] [2024-11-22 22:02:03,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:03,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:03,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831868534] [2024-11-22 22:02:03,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831868534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858734863] [2024-11-22 22:02:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:03,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:03,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:03,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:02:03,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:02:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:03,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:02:03,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:04,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:04,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858734863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:04,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:04,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-22 22:02:04,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777408626] [2024-11-22 22:02:04,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:04,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:02:04,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:04,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:02:04,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:04,086 INFO L87 Difference]: Start difference. First operand 473 states and 647 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:04,568 INFO L93 Difference]: Finished difference Result 1937 states and 2669 transitions. [2024-11-22 22:02:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:02:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 161 [2024-11-22 22:02:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:04,573 INFO L225 Difference]: With dead ends: 1937 [2024-11-22 22:02:04,574 INFO L226 Difference]: Without dead ends: 1443 [2024-11-22 22:02:04,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:02:04,575 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 660 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:04,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1091 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:02:04,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-11-22 22:02:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1226. [2024-11-22 22:02:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1222 states have (on average 1.409165302782324) internal successors, (1722), 1225 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1722 transitions. [2024-11-22 22:02:04,596 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1722 transitions. Word has length 161 [2024-11-22 22:02:04,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:04,596 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1722 transitions. [2024-11-22 22:02:04,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1722 transitions. [2024-11-22 22:02:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 22:02:04,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:04,598 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:04,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:04,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-22 22:02:04,803 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:04,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:04,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1602592893, now seen corresponding path program 1 times [2024-11-22 22:02:04,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:04,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674082247] [2024-11-22 22:02:04,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:04,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:04,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674082247] [2024-11-22 22:02:04,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674082247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:04,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229544435] [2024-11-22 22:02:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:04,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:04,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:04,867 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:02:04,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:02:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:04,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:02:04,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:04,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:02:05,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229544435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:05,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:05,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-22 22:02:05,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9312775] [2024-11-22 22:02:05,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:05,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:02:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:05,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:02:05,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:05,047 INFO L87 Difference]: Start difference. First operand 1226 states and 1722 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:05,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:05,494 INFO L93 Difference]: Finished difference Result 3500 states and 4827 transitions. [2024-11-22 22:02:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:02:05,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 163 [2024-11-22 22:02:05,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:05,500 INFO L225 Difference]: With dead ends: 3500 [2024-11-22 22:02:05,501 INFO L226 Difference]: Without dead ends: 2288 [2024-11-22 22:02:05,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:02:05,504 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 657 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:05,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1239 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:02:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2024-11-22 22:02:05,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1951. [2024-11-22 22:02:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1947 states have (on average 1.3672316384180792) internal successors, (2662), 1950 states have internal predecessors, (2662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2662 transitions. [2024-11-22 22:02:05,540 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2662 transitions. Word has length 163 [2024-11-22 22:02:05,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:05,541 INFO L471 AbstractCegarLoop]: Abstraction has 1951 states and 2662 transitions. [2024-11-22 22:02:05,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2662 transitions. [2024-11-22 22:02:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 22:02:05,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:05,543 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:05,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:05,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 22:02:05,747 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:05,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1144734567, now seen corresponding path program 1 times [2024-11-22 22:02:05,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:05,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436750059] [2024-11-22 22:02:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-22 22:02:05,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436750059] [2024-11-22 22:02:05,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436750059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:05,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:05,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:05,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660213214] [2024-11-22 22:02:05,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:05,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:05,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:05,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:05,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:05,838 INFO L87 Difference]: Start difference. First operand 1951 states and 2662 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:05,910 INFO L93 Difference]: Finished difference Result 5058 states and 6904 transitions. [2024-11-22 22:02:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:05,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2024-11-22 22:02:05,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:05,932 INFO L225 Difference]: With dead ends: 5058 [2024-11-22 22:02:05,932 INFO L226 Difference]: Without dead ends: 3121 [2024-11-22 22:02:05,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:05,939 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 175 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:05,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 675 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:05,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2024-11-22 22:02:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 2889. [2024-11-22 22:02:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2889 states, 2885 states have (on average 1.3729636048526863) internal successors, (3961), 2888 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2889 states and 3961 transitions. [2024-11-22 22:02:06,058 INFO L78 Accepts]: Start accepts. Automaton has 2889 states and 3961 transitions. Word has length 170 [2024-11-22 22:02:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:06,059 INFO L471 AbstractCegarLoop]: Abstraction has 2889 states and 3961 transitions. [2024-11-22 22:02:06,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3961 transitions. [2024-11-22 22:02:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-22 22:02:06,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:06,064 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:06,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:02:06,066 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:06,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:06,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1309139441, now seen corresponding path program 1 times [2024-11-22 22:02:06,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:06,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106261085] [2024-11-22 22:02:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:06,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-22 22:02:06,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:06,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106261085] [2024-11-22 22:02:06,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106261085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:06,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:06,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:06,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100455254] [2024-11-22 22:02:06,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:06,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:06,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:06,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:06,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:06,162 INFO L87 Difference]: Start difference. First operand 2889 states and 3961 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:06,385 INFO L93 Difference]: Finished difference Result 5283 states and 7197 transitions. [2024-11-22 22:02:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:06,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 172 [2024-11-22 22:02:06,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:06,396 INFO L225 Difference]: With dead ends: 5283 [2024-11-22 22:02:06,396 INFO L226 Difference]: Without dead ends: 2408 [2024-11-22 22:02:06,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:06,404 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 9 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:06,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 401 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2024-11-22 22:02:06,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 1683. [2024-11-22 22:02:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1681 states have (on average 1.3337299226650803) internal successors, (2242), 1682 states have internal predecessors, (2242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2242 transitions. [2024-11-22 22:02:06,465 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2242 transitions. Word has length 172 [2024-11-22 22:02:06,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:06,468 INFO L471 AbstractCegarLoop]: Abstraction has 1683 states and 2242 transitions. [2024-11-22 22:02:06,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2242 transitions. [2024-11-22 22:02:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-22 22:02:06,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:06,470 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:06,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:02:06,470 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:06,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:06,471 INFO L85 PathProgramCache]: Analyzing trace with hash 906405431, now seen corresponding path program 1 times [2024-11-22 22:02:06,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:06,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702329164] [2024-11-22 22:02:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:06,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-22 22:02:06,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:06,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702329164] [2024-11-22 22:02:06,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702329164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:06,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:06,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:06,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672502375] [2024-11-22 22:02:06,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:06,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:06,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:06,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:06,582 INFO L87 Difference]: Start difference. First operand 1683 states and 2242 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:06,737 INFO L93 Difference]: Finished difference Result 3335 states and 4438 transitions. [2024-11-22 22:02:06,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:06,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 206 [2024-11-22 22:02:06,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:06,750 INFO L225 Difference]: With dead ends: 3335 [2024-11-22 22:02:06,750 INFO L226 Difference]: Without dead ends: 1666 [2024-11-22 22:02:06,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:06,757 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 62 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:06,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 349 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-11-22 22:02:06,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1659. [2024-11-22 22:02:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1657 states have (on average 1.3174411587205794) internal successors, (2183), 1658 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2183 transitions. [2024-11-22 22:02:06,813 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2183 transitions. Word has length 206 [2024-11-22 22:02:06,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:06,813 INFO L471 AbstractCegarLoop]: Abstraction has 1659 states and 2183 transitions. [2024-11-22 22:02:06,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2183 transitions. [2024-11-22 22:02:06,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-22 22:02:06,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:06,819 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:06,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:02:06,819 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:06,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1868556935, now seen corresponding path program 1 times [2024-11-22 22:02:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:06,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453194622] [2024-11-22 22:02:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:06,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-22 22:02:06,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453194622] [2024-11-22 22:02:06,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453194622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:06,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:06,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:06,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001679411] [2024-11-22 22:02:06,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:06,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:06,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:06,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:06,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:06,952 INFO L87 Difference]: Start difference. First operand 1659 states and 2183 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:07,095 INFO L93 Difference]: Finished difference Result 2844 states and 3696 transitions. [2024-11-22 22:02:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:07,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 208 [2024-11-22 22:02:07,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:07,101 INFO L225 Difference]: With dead ends: 2844 [2024-11-22 22:02:07,101 INFO L226 Difference]: Without dead ends: 736 [2024-11-22 22:02:07,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,107 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 28 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:07,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 402 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-22 22:02:07,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 724. [2024-11-22 22:02:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 722 states have (on average 1.3019390581717452) internal successors, (940), 723 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 940 transitions. [2024-11-22 22:02:07,133 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 940 transitions. Word has length 208 [2024-11-22 22:02:07,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:07,133 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 940 transitions. [2024-11-22 22:02:07,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 940 transitions. [2024-11-22 22:02:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-22 22:02:07,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:07,139 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:07,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 22:02:07,139 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:07,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:07,139 INFO L85 PathProgramCache]: Analyzing trace with hash 377591015, now seen corresponding path program 1 times [2024-11-22 22:02:07,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:07,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192674800] [2024-11-22 22:02:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:07,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-22 22:02:07,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:07,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192674800] [2024-11-22 22:02:07,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192674800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:07,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160913272] [2024-11-22 22:02:07,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:07,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:07,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:07,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,331 INFO L87 Difference]: Start difference. First operand 724 states and 940 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:07,487 INFO L93 Difference]: Finished difference Result 1536 states and 1984 transitions. [2024-11-22 22:02:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:07,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 306 [2024-11-22 22:02:07,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:07,494 INFO L225 Difference]: With dead ends: 1536 [2024-11-22 22:02:07,494 INFO L226 Difference]: Without dead ends: 826 [2024-11-22 22:02:07,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,499 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:07,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 391 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:07,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-22 22:02:07,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2024-11-22 22:02:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 824 states have (on average 1.2827669902912622) internal successors, (1057), 825 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1057 transitions. [2024-11-22 22:02:07,526 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1057 transitions. Word has length 306 [2024-11-22 22:02:07,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:07,526 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1057 transitions. [2024-11-22 22:02:07,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1057 transitions. [2024-11-22 22:02:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-22 22:02:07,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:07,531 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:07,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 22:02:07,531 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:07,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:07,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1817503023, now seen corresponding path program 1 times [2024-11-22 22:02:07,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:07,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418629031] [2024-11-22 22:02:07,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:07,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-22 22:02:07,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:07,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418629031] [2024-11-22 22:02:07,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418629031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:07,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:07,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:07,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30099116] [2024-11-22 22:02:07,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:07,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:07,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:07,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:07,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,622 INFO L87 Difference]: Start difference. First operand 826 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:07,710 INFO L93 Difference]: Finished difference Result 1746 states and 2230 transitions. [2024-11-22 22:02:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:07,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 337 [2024-11-22 22:02:07,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:07,713 INFO L225 Difference]: With dead ends: 1746 [2024-11-22 22:02:07,713 INFO L226 Difference]: Without dead ends: 934 [2024-11-22 22:02:07,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,715 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:07,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 391 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:07,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-22 22:02:07,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 934. [2024-11-22 22:02:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934 states, 932 states have (on average 1.2660944206008584) internal successors, (1180), 933 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1180 transitions. [2024-11-22 22:02:07,729 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1180 transitions. Word has length 337 [2024-11-22 22:02:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:07,730 INFO L471 AbstractCegarLoop]: Abstraction has 934 states and 1180 transitions. [2024-11-22 22:02:07,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1180 transitions. [2024-11-22 22:02:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-22 22:02:07,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:07,733 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:07,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 22:02:07,733 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:07,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:07,733 INFO L85 PathProgramCache]: Analyzing trace with hash 833831308, now seen corresponding path program 1 times [2024-11-22 22:02:07,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:07,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727331648] [2024-11-22 22:02:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-11-22 22:02:07,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727331648] [2024-11-22 22:02:07,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727331648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:07,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:07,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:07,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710246402] [2024-11-22 22:02:07,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:07,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:07,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:07,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,810 INFO L87 Difference]: Start difference. First operand 934 states and 1180 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:07,900 INFO L93 Difference]: Finished difference Result 1853 states and 2336 transitions. [2024-11-22 22:02:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:07,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2024-11-22 22:02:07,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:07,903 INFO L225 Difference]: With dead ends: 1853 [2024-11-22 22:02:07,903 INFO L226 Difference]: Without dead ends: 933 [2024-11-22 22:02:07,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:07,905 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:07,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 387 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:07,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-22 22:02:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 709. [2024-11-22 22:02:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 707 states have (on average 1.28005657708628) internal successors, (905), 708 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 905 transitions. [2024-11-22 22:02:07,918 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 905 transitions. Word has length 370 [2024-11-22 22:02:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:07,919 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 905 transitions. [2024-11-22 22:02:07,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 905 transitions. [2024-11-22 22:02:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-22 22:02:07,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:07,923 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:07,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 22:02:07,923 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:07,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash -224580578, now seen corresponding path program 1 times [2024-11-22 22:02:07,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:07,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787152122] [2024-11-22 22:02:07,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2024-11-22 22:02:08,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:08,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787152122] [2024-11-22 22:02:08,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787152122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:08,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:08,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:08,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424576395] [2024-11-22 22:02:08,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:08,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:08,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:08,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:08,073 INFO L87 Difference]: Start difference. First operand 709 states and 905 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:08,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:08,097 INFO L93 Difference]: Finished difference Result 1836 states and 2319 transitions. [2024-11-22 22:02:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:08,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 408 [2024-11-22 22:02:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:08,101 INFO L225 Difference]: With dead ends: 1836 [2024-11-22 22:02:08,101 INFO L226 Difference]: Without dead ends: 1141 [2024-11-22 22:02:08,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:08,103 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 94 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:08,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:08,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-22 22:02:08,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1141. [2024-11-22 22:02:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1139 states have (on average 1.257243195785777) internal successors, (1432), 1140 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1432 transitions. [2024-11-22 22:02:08,122 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1432 transitions. Word has length 408 [2024-11-22 22:02:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:08,122 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1432 transitions. [2024-11-22 22:02:08,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1432 transitions. [2024-11-22 22:02:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-22 22:02:08,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:08,127 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:08,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 22:02:08,127 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:02:08,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:08,127 INFO L85 PathProgramCache]: Analyzing trace with hash 64238812, now seen corresponding path program 1 times [2024-11-22 22:02:08,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:08,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958611683] [2024-11-22 22:02:08,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:08,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-22 22:02:08,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:08,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958611683] [2024-11-22 22:02:08,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958611683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:08,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427031178] [2024-11-22 22:02:08,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:08,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:08,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:08,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:02:08,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:02:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:08,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:02:08,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-22 22:02:08,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-22 22:02:08,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427031178] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:08,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:08,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-22 22:02:08,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763405751] [2024-11-22 22:02:08,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:08,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:02:08,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:08,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:02:08,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:02:08,506 INFO L87 Difference]: Start difference. First operand 1141 states and 1432 transitions. Second operand has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:08,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:08,648 INFO L93 Difference]: Finished difference Result 2133 states and 2654 transitions. [2024-11-22 22:02:08,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:02:08,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 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 408 [2024-11-22 22:02:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:08,673 INFO L225 Difference]: With dead ends: 2133 [2024-11-22 22:02:08,673 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:02:08,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:02:08,674 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 86 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:08,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 753 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:02:08,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:02:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:02:08,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-22 22:02:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:08,675 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:02:08,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:02:08,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:02:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-22 22:02:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-22 22:02:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-22 22:02:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-22 22:02:08,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:02:08,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:08,883 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:08,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:02:09,877 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:02:09,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:02:09 BoogieIcfgContainer [2024-11-22 22:02:09,896 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:02:09,897 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:02:09,897 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:02:09,897 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:02:09,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:00" (3/4) ... [2024-11-22 22:02:09,899 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:02:09,912 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-22 22:02:09,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 22:02:09,916 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 22:02:09,916 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:02:10,033 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:02:10,034 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:02:10,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:02:10,034 INFO L158 Benchmark]: Toolchain (without parser) took 10812.69ms. Allocated memory was 207.6MB in the beginning and 375.4MB in the end (delta: 167.8MB). Free memory was 138.5MB in the beginning and 212.5MB in the end (delta: -74.1MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2024-11-22 22:02:10,035 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:02:10,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.11ms. Allocated memory is still 207.6MB. Free memory was 138.4MB in the beginning and 120.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 22:02:10,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.34ms. Allocated memory is still 207.6MB. Free memory was 120.4MB in the beginning and 178.2MB in the end (delta: -57.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 22:02:10,035 INFO L158 Benchmark]: Boogie Preprocessor took 70.78ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 174.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:02:10,035 INFO L158 Benchmark]: RCFGBuilder took 668.15ms. Allocated memory is still 207.6MB. Free memory was 174.9MB in the beginning and 131.3MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-22 22:02:10,036 INFO L158 Benchmark]: TraceAbstraction took 9469.86ms. Allocated memory was 207.6MB in the beginning and 375.4MB in the end (delta: 167.8MB). Free memory was 130.0MB in the beginning and 224.1MB in the end (delta: -94.1MB). Peak memory consumption was 175.2MB. Max. memory is 16.1GB. [2024-11-22 22:02:10,036 INFO L158 Benchmark]: Witness Printer took 137.44ms. Allocated memory is still 375.4MB. Free memory was 224.1MB in the beginning and 212.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:02:10,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.11ms. Allocated memory is still 207.6MB. Free memory was 138.4MB in the beginning and 120.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.34ms. Allocated memory is still 207.6MB. Free memory was 120.4MB in the beginning and 178.2MB in the end (delta: -57.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.78ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 174.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 668.15ms. Allocated memory is still 207.6MB. Free memory was 174.9MB in the beginning and 131.3MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9469.86ms. Allocated memory was 207.6MB in the beginning and 375.4MB in the end (delta: 167.8MB). Free memory was 130.0MB in the beginning and 224.1MB in the end (delta: -94.1MB). Peak memory consumption was 175.2MB. Max. memory is 16.1GB. * Witness Printer took 137.44ms. Allocated memory is still 375.4MB. Free memory was 224.1MB in the beginning and 212.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. 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: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: 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, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 24, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2476 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2476 mSDsluCounter, 11306 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5169 mSDsCounter, 448 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3769 IncrementalHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 448 mSolverCounterUnsat, 6137 mSDtfsCounter, 3769 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1551 GetRequests, 1507 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2889occurred in iteration=16, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 1862 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4620 NumberOfCodeBlocks, 4620 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 5322 ConstructedInterpolants, 0 QuantifiedInterpolants, 7310 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1327 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 14247/14304 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 4 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((s__state == 8528) || ((s__s3__tmp__next_state___0 <= 8576) && (s__state == 8640))) || (8496 == s__state)) || ((8576 == s__s3__tmp__next_state___0) && (8576 == s__state))) || ((s__state == 8592) && (s__s3__tmp__next_state___0 <= 8576))) || (8560 == s__state)) || ((s__state == 8608) && (s__s3__tmp__next_state___0 <= 8576))) || (((((s__state <= 12291) && (8576 <= s__s3__tmp__next_state___0)) && (0 != s__hit)) && (8576 <= s__state)) && (s__s3__tmp__next_state___0 <= 12291))) || (((8576 == s__s3__tmp__next_state___0) && (s__state <= 8466)) && (8448 <= s__state))) || (s__state == 8512)) || ((s__state == 3) && (s__s3__tmp__next_state___0 <= 8576))) || (((((s__state <= 8466) && (8576 <= s__s3__tmp__next_state___0)) && (8448 <= s__state)) && (0 != s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || (8464 == s__state)) || ((3 == s__s3__tmp__next_state___0) && (8448 == s__state))) || (((s__state == 3) && (0 != s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || ((8656 <= s__state) && (s__state <= 8672))) || (8544 == s__state)) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:02:10,058 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