./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:01:44,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:01:44,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:01:44,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:01:44,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:01:44,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:01:44,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:01:44,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:01:44,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:01:44,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:01:44,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:01:44,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:01:44,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:01:44,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:01:44,980 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:01:44,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:01:44,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:01:44,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:01:44,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:01:44,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:01:44,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:01:44,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:01:44,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:01:44,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:01:44,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:01:44,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:01:44,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:01:44,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:01:44,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:01:44,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:01:44,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:01:44,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:01:44,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:01:44,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:01:44,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:01:44,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:01:44,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:01:44,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:01:44,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:01:44,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:01:44,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:01:44,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:01:44,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:01:44,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:01:44,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2024-10-24 20:01:45,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:01:45,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:01:45,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:01:45,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:01:45,302 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:01:45,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2024-10-24 20:01:46,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:01:47,008 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:01:47,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2024-10-24 20:01:47,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39fd29d3f/c159c20910e54d678dbe26aa3044397a/FLAG9b632b3c3 [2024-10-24 20:01:47,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39fd29d3f/c159c20910e54d678dbe26aa3044397a [2024-10-24 20:01:47,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:01:47,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:01:47,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:01:47,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:01:47,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:01:47,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8812be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47, skipping insertion in model container [2024-10-24 20:01:47,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:01:47,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:01:47,632 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:01:47,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:01:47,683 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:01:47,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47 WrapperNode [2024-10-24 20:01:47,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:01:47,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:01:47,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:01:47,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:01:47,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,741 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2024-10-24 20:01:47,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:01:47,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:01:47,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:01:47,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:01:47,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,791 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]. [2024-10-24 20:01:47,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:01:47,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:01:47,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:01:47,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:01:47,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (1/1) ... [2024-10-24 20:01:47,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:01:47,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:47,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:01:47,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:01:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:01:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:01:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:01:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:01:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:01:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:01:47,961 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:01:47,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:01:48,326 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-10-24 20:01:48,326 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:01:48,367 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:01:48,369 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:01:48,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:01:48 BoogieIcfgContainer [2024-10-24 20:01:48,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:01:48,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:01:48,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:01:48,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:01:48,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:01:47" (1/3) ... [2024-10-24 20:01:48,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af66ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:01:48, skipping insertion in model container [2024-10-24 20:01:48,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:47" (2/3) ... [2024-10-24 20:01:48,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af66ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:01:48, skipping insertion in model container [2024-10-24 20:01:48,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:01:48" (3/3) ... [2024-10-24 20:01:48,400 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound5.c [2024-10-24 20:01:48,421 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:01:48,421 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-10-24 20:01:48,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:01:48,500 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;@1b980287, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:01:48,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-10-24 20:01:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 70 states have (on average 1.9285714285714286) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-10-24 20:01:48,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:48,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-10-24 20:01:48,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:48,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:48,516 INFO L85 PathProgramCache]: Analyzing trace with hash 6296, now seen corresponding path program 1 times [2024-10-24 20:01:48,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:48,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782303665] [2024-10-24 20:01:48,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:48,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:48,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:48,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782303665] [2024-10-24 20:01:48,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782303665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:48,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:48,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:48,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267545344] [2024-10-24 20:01:48,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:48,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:48,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:48,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:48,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:48,722 INFO L87 Difference]: Start difference. First operand has 134 states, 70 states have (on average 1.9285714285714286) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:49,015 INFO L93 Difference]: Finished difference Result 256 states and 271 transitions. [2024-10-24 20:01:49,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:49,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 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 2 [2024-10-24 20:01:49,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:49,028 INFO L225 Difference]: With dead ends: 256 [2024-10-24 20:01:49,029 INFO L226 Difference]: Without dead ends: 127 [2024-10-24 20:01:49,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,037 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 96 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:49,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 76 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-24 20:01:49,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-24 20:01:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 124 states have internal predecessors, (127), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2024-10-24 20:01:49,077 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 2 [2024-10-24 20:01:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:49,078 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2024-10-24 20:01:49,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2024-10-24 20:01:49,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 20:01:49,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:49,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 20:01:49,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:01:49,080 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:49,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash 195212, now seen corresponding path program 1 times [2024-10-24 20:01:49,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:49,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813246469] [2024-10-24 20:01:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:49,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:49,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:49,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813246469] [2024-10-24 20:01:49,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813246469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:49,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:49,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:49,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785340262] [2024-10-24 20:01:49,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:49,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:49,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:49,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:49,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,142 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:49,273 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2024-10-24 20:01:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:49,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2024-10-24 20:01:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:49,277 INFO L225 Difference]: With dead ends: 127 [2024-10-24 20:01:49,278 INFO L226 Difference]: Without dead ends: 123 [2024-10-24 20:01:49,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,281 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 94 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:49,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 73 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:49,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-24 20:01:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-24 20:01:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.7826086956521738) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-10-24 20:01:49,297 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 3 [2024-10-24 20:01:49,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:49,298 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-10-24 20:01:49,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-10-24 20:01:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 20:01:49,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:49,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 20:01:49,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:01:49,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:49,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash 6051610, now seen corresponding path program 1 times [2024-10-24 20:01:49,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:49,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167343974] [2024-10-24 20:01:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:49,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:49,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167343974] [2024-10-24 20:01:49,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167343974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:49,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:49,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:49,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284480305] [2024-10-24 20:01:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:49,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:49,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:49,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:49,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,366 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:49,577 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-10-24 20:01:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:49,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 20:01:49,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:49,579 INFO L225 Difference]: With dead ends: 123 [2024-10-24 20:01:49,579 INFO L226 Difference]: Without dead ends: 122 [2024-10-24 20:01:49,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,581 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 87 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:49,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 59 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-24 20:01:49,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-24 20:01:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-24 20:01:49,591 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 4 [2024-10-24 20:01:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:49,591 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-24 20:01:49,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-24 20:01:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:01:49,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:49,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:01:49,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:01:49,593 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:49,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:49,593 INFO L85 PathProgramCache]: Analyzing trace with hash 187599950, now seen corresponding path program 1 times [2024-10-24 20:01:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690089738] [2024-10-24 20:01:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:49,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:49,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690089738] [2024-10-24 20:01:49,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690089738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:49,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:49,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:49,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892149322] [2024-10-24 20:01:49,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:49,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:49,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:49,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:49,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,639 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:49,849 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-24 20:01:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:01:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:49,850 INFO L225 Difference]: With dead ends: 122 [2024-10-24 20:01:49,850 INFO L226 Difference]: Without dead ends: 121 [2024-10-24 20:01:49,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:49,852 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 86 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:49,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 59 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:49,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-24 20:01:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-24 20:01:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2024-10-24 20:01:49,863 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 5 [2024-10-24 20:01:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:49,863 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2024-10-24 20:01:49,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2024-10-24 20:01:49,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 20:01:49,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:49,864 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:49,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:01:49,865 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:49,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:49,865 INFO L85 PathProgramCache]: Analyzing trace with hash -105073040, now seen corresponding path program 1 times [2024-10-24 20:01:49,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238154424] [2024-10-24 20:01:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:49,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:49,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238154424] [2024-10-24 20:01:49,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238154424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:49,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:49,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:01:49,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262920251] [2024-10-24 20:01:49,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:49,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:49,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:49,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:49,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:49,971 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:50,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:50,012 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2024-10-24 20:01:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:50,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 20:01:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:50,013 INFO L225 Difference]: With dead ends: 169 [2024-10-24 20:01:50,014 INFO L226 Difference]: Without dead ends: 125 [2024-10-24 20:01:50,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:50,015 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 4 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:50,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 348 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:01:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-24 20:01:50,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-24 20:01:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 122 states have internal predecessors, (125), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-24 20:01:50,024 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 7 [2024-10-24 20:01:50,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:50,025 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-24 20:01:50,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-24 20:01:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 20:01:50,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:50,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:50,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:01:50,026 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:50,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:50,027 INFO L85 PathProgramCache]: Analyzing trace with hash 800272963, now seen corresponding path program 1 times [2024-10-24 20:01:50,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:50,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107270899] [2024-10-24 20:01:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:50,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:50,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518860583] [2024-10-24 20:01:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:50,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:50,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:50,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:50,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:01:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:50,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:01:50,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:50,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:50,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:50,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107270899] [2024-10-24 20:01:50,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:50,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518860583] [2024-10-24 20:01:50,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518860583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:50,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:50,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:01:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001455487] [2024-10-24 20:01:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:50,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:50,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:50,127 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:50,309 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2024-10-24 20:01:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:50,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 20:01:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:50,311 INFO L225 Difference]: With dead ends: 193 [2024-10-24 20:01:50,311 INFO L226 Difference]: Without dead ends: 187 [2024-10-24 20:01:50,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:50,312 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:50,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 218 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:50,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-24 20:01:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2024-10-24 20:01:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 96 states have (on average 1.6979166666666667) internal successors, (163), 145 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2024-10-24 20:01:50,332 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 10 [2024-10-24 20:01:50,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:50,333 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2024-10-24 20:01:50,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2024-10-24 20:01:50,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 20:01:50,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:50,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:50,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:01:50,537 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,SelfDestructingSolverStorable5 [2024-10-24 20:01:50,538 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:50,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:50,539 INFO L85 PathProgramCache]: Analyzing trace with hash 263173317, now seen corresponding path program 1 times [2024-10-24 20:01:50,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:50,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810807842] [2024-10-24 20:01:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:50,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655175156] [2024-10-24 20:01:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:50,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:50,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:50,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:01:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:50,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:01:50,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:50,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:50,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:50,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810807842] [2024-10-24 20:01:50,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:50,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655175156] [2024-10-24 20:01:50,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655175156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:50,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:50,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:01:50,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825044592] [2024-10-24 20:01:50,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:50,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:50,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:50,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:50,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:50,617 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:50,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:50,730 INFO L93 Difference]: Finished difference Result 255 states and 278 transitions. [2024-10-24 20:01:50,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:50,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2024-10-24 20:01:50,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:50,732 INFO L225 Difference]: With dead ends: 255 [2024-10-24 20:01:50,732 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 20:01:50,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:50,734 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 94 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:50,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 216 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 20:01:50,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2024-10-24 20:01:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 147 states have (on average 1.6938775510204083) internal successors, (249), 196 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2024-10-24 20:01:50,753 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 12 [2024-10-24 20:01:50,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:50,753 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2024-10-24 20:01:50,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2024-10-24 20:01:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 20:01:50,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:50,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:50,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:01:50,961 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,SelfDestructingSolverStorable6 [2024-10-24 20:01:50,961 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:50,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash -493510841, now seen corresponding path program 1 times [2024-10-24 20:01:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:50,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998259156] [2024-10-24 20:01:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:50,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430119697] [2024-10-24 20:01:50,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:50,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:50,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:50,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:01:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:51,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:51,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:51,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:51,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:51,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998259156] [2024-10-24 20:01:51,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:51,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430119697] [2024-10-24 20:01:51,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430119697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:51,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:51,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:51,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350299312] [2024-10-24 20:01:51,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:51,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:51,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:51,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:51,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:51,067 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:51,259 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2024-10-24 20:01:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:51,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-24 20:01:51,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:51,265 INFO L225 Difference]: With dead ends: 293 [2024-10-24 20:01:51,265 INFO L226 Difference]: Without dead ends: 291 [2024-10-24 20:01:51,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:51,266 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 143 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:51,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 237 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-24 20:01:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 202. [2024-10-24 20:01:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 197 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2024-10-24 20:01:51,284 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 255 transitions. Word has length 14 [2024-10-24 20:01:51,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:51,285 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 255 transitions. [2024-10-24 20:01:51,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2024-10-24 20:01:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 20:01:51,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:51,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:51,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:51,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:51,486 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:51,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:51,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1881033179, now seen corresponding path program 1 times [2024-10-24 20:01:51,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:51,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761917572] [2024-10-24 20:01:51,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:51,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:51,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460024870] [2024-10-24 20:01:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:51,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:51,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:51,499 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:51,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:01:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:51,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:51,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:51,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:51,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:51,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761917572] [2024-10-24 20:01:51,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:51,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460024870] [2024-10-24 20:01:51,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460024870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:51,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:51,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:51,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560483925] [2024-10-24 20:01:51,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:51,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:51,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:51,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:51,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:51,589 INFO L87 Difference]: Start difference. First operand 202 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:51,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:51,762 INFO L93 Difference]: Finished difference Result 292 states and 354 transitions. [2024-10-24 20:01:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:51,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 20:01:51,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:51,764 INFO L225 Difference]: With dead ends: 292 [2024-10-24 20:01:51,764 INFO L226 Difference]: Without dead ends: 290 [2024-10-24 20:01:51,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:51,765 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 141 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:51,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 240 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:51,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-24 20:01:51,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 203. [2024-10-24 20:01:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6711409395973154) internal successors, (249), 198 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 255 transitions. [2024-10-24 20:01:51,793 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 255 transitions. Word has length 15 [2024-10-24 20:01:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:51,793 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 255 transitions. [2024-10-24 20:01:51,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 255 transitions. [2024-10-24 20:01:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 20:01:51,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:51,794 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:51,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:01:51,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:51,995 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:51,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:51,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1817513527, now seen corresponding path program 1 times [2024-10-24 20:01:51,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:51,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285028806] [2024-10-24 20:01:51,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:51,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:52,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845468511] [2024-10-24 20:01:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:52,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:52,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:52,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:01:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:52,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:52,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:52,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:52,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:52,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285028806] [2024-10-24 20:01:52,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:52,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845468511] [2024-10-24 20:01:52,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845468511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:52,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:52,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:52,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585234597] [2024-10-24 20:01:52,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:52,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:52,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:52,088 INFO L87 Difference]: Start difference. First operand 203 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:52,256 INFO L93 Difference]: Finished difference Result 278 states and 298 transitions. [2024-10-24 20:01:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:52,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-24 20:01:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:52,258 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:01:52,258 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 20:01:52,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:52,259 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 194 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:52,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 260 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 20:01:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 203. [2024-10-24 20:01:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.651006711409396) internal successors, (246), 198 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-10-24 20:01:52,268 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 16 [2024-10-24 20:01:52,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:52,268 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-10-24 20:01:52,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-10-24 20:01:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 20:01:52,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:52,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:52,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:52,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 20:01:52,470 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:52,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:52,471 INFO L85 PathProgramCache]: Analyzing trace with hash -508344419, now seen corresponding path program 1 times [2024-10-24 20:01:52,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:52,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872421740] [2024-10-24 20:01:52,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:52,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480800587] [2024-10-24 20:01:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:52,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:52,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:52,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:01:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:52,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:52,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:52,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:52,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:52,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872421740] [2024-10-24 20:01:52,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:52,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480800587] [2024-10-24 20:01:52,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480800587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:52,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:52,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:52,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029954740] [2024-10-24 20:01:52,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:52,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:52,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:52,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:52,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:52,568 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:52,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:52,700 INFO L93 Difference]: Finished difference Result 276 states and 295 transitions. [2024-10-24 20:01:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:52,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-24 20:01:52,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:52,702 INFO L225 Difference]: With dead ends: 276 [2024-10-24 20:01:52,702 INFO L226 Difference]: Without dead ends: 274 [2024-10-24 20:01:52,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:52,703 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:52,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 262 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:52,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-24 20:01:52,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2024-10-24 20:01:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6308724832214765) internal successors, (243), 198 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 249 transitions. [2024-10-24 20:01:52,711 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 249 transitions. Word has length 17 [2024-10-24 20:01:52,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:52,711 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 249 transitions. [2024-10-24 20:01:52,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2024-10-24 20:01:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 20:01:52,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:52,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:52,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:01:52,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:52,914 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:52,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:52,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1421192267, now seen corresponding path program 1 times [2024-10-24 20:01:52,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:52,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754300324] [2024-10-24 20:01:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:52,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168273831] [2024-10-24 20:01:52,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:52,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:52,929 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:52,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:01:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:52,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:01:52,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:53,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:53,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:53,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754300324] [2024-10-24 20:01:53,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:53,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168273831] [2024-10-24 20:01:53,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168273831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:53,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:53,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:53,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453472161] [2024-10-24 20:01:53,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:53,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:01:53,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:01:53,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:53,054 INFO L87 Difference]: Start difference. First operand 203 states and 249 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:53,393 INFO L93 Difference]: Finished difference Result 291 states and 340 transitions. [2024-10-24 20:01:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:01:53,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-24 20:01:53,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:53,395 INFO L225 Difference]: With dead ends: 291 [2024-10-24 20:01:53,395 INFO L226 Difference]: Without dead ends: 289 [2024-10-24 20:01:53,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:01:53,396 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 216 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:53,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 277 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:53,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-24 20:01:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 206. [2024-10-24 20:01:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.611842105263158) internal successors, (245), 201 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2024-10-24 20:01:53,404 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 18 [2024-10-24 20:01:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:53,404 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2024-10-24 20:01:53,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2024-10-24 20:01:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 20:01:53,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:53,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:53,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:53,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:53,605 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:53,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1107287391, now seen corresponding path program 1 times [2024-10-24 20:01:53,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:53,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46839755] [2024-10-24 20:01:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:53,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:53,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120110469] [2024-10-24 20:01:53,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:53,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:53,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:53,621 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:53,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:01:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:53,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:01:53,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:53,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:53,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:53,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46839755] [2024-10-24 20:01:53,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:53,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120110469] [2024-10-24 20:01:53,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120110469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:53,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:53,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850730373] [2024-10-24 20:01:53,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:53,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:01:53,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:01:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:53,728 INFO L87 Difference]: Start difference. First operand 206 states and 251 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:54,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:54,057 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2024-10-24 20:01:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:01:54,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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 [2024-10-24 20:01:54,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:54,059 INFO L225 Difference]: With dead ends: 290 [2024-10-24 20:01:54,059 INFO L226 Difference]: Without dead ends: 288 [2024-10-24 20:01:54,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:01:54,060 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:54,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 280 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:54,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-24 20:01:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 207. [2024-10-24 20:01:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.6013071895424837) internal successors, (245), 202 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2024-10-24 20:01:54,067 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 19 [2024-10-24 20:01:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:54,067 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2024-10-24 20:01:54,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2024-10-24 20:01:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 20:01:54,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:54,068 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] [2024-10-24 20:01:54,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 20:01:54,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 20:01:54,269 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:54,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:54,270 INFO L85 PathProgramCache]: Analyzing trace with hash -33829171, now seen corresponding path program 1 times [2024-10-24 20:01:54,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:54,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197360716] [2024-10-24 20:01:54,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:54,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490806904] [2024-10-24 20:01:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:54,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:54,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:54,285 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:54,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:01:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:54,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:01:54,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:54,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:54,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:54,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:54,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197360716] [2024-10-24 20:01:54,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:54,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490806904] [2024-10-24 20:01:54,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490806904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:54,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:54,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:54,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649209726] [2024-10-24 20:01:54,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:54,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:54,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:54,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:54,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:54,449 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2024-10-24 20:01:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:54,721 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2024-10-24 20:01:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:54,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 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 [2024-10-24 20:01:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:54,723 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:01:54,723 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 20:01:54,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:54,724 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 284 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:54,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 206 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:54,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 20:01:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 208. [2024-10-24 20:01:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 203 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2024-10-24 20:01:54,732 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 20 [2024-10-24 20:01:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:54,733 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2024-10-24 20:01:54,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2024-10-24 20:01:54,733 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2024-10-24 20:01:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 20:01:54,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:54,733 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] [2024-10-24 20:01:54,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:01:54,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 20:01:54,934 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:54,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:54,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1048704223, now seen corresponding path program 1 times [2024-10-24 20:01:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:54,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883552824] [2024-10-24 20:01:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832655882] [2024-10-24 20:01:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:54,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:54,951 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:54,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:01:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:54,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:01:54,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:55,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:55,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:55,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883552824] [2024-10-24 20:01:55,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:55,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832655882] [2024-10-24 20:01:55,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832655882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:55,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:55,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:55,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187719015] [2024-10-24 20:01:55,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:55,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:55,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:55,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:55,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:55,098 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:55,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:55,485 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2024-10-24 20:01:55,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:55,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-24 20:01:55,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:55,487 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:01:55,487 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 20:01:55,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:55,488 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 344 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:55,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 202 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 20:01:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 209. [2024-10-24 20:01:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 204 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 251 transitions. [2024-10-24 20:01:55,497 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 251 transitions. Word has length 21 [2024-10-24 20:01:55,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:55,497 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 251 transitions. [2024-10-24 20:01:55,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2024-10-24 20:01:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 20:01:55,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:55,498 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, 1, 1, 1] [2024-10-24 20:01:55,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:01:55,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 20:01:55,699 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:55,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash -355316783, now seen corresponding path program 1 times [2024-10-24 20:01:55,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:55,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028329423] [2024-10-24 20:01:55,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:55,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:55,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743829642] [2024-10-24 20:01:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:55,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:55,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:55,711 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:55,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:01:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:55,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:01:55,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:55,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:55,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:55,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028329423] [2024-10-24 20:01:55,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:55,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743829642] [2024-10-24 20:01:55,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743829642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:55,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:55,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:55,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362404839] [2024-10-24 20:01:55,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:55,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:55,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:55,944 INFO L87 Difference]: Start difference. First operand 209 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:56,400 INFO L93 Difference]: Finished difference Result 270 states and 332 transitions. [2024-10-24 20:01:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:56,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-10-24 20:01:56,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:56,403 INFO L225 Difference]: With dead ends: 270 [2024-10-24 20:01:56,403 INFO L226 Difference]: Without dead ends: 266 [2024-10-24 20:01:56,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:56,404 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 258 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:56,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 141 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:01:56,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-24 20:01:56,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 210. [2024-10-24 20:01:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 158 states have (on average 1.5506329113924051) internal successors, (245), 205 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 251 transitions. [2024-10-24 20:01:56,413 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 251 transitions. Word has length 24 [2024-10-24 20:01:56,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:56,413 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 251 transitions. [2024-10-24 20:01:56,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 251 transitions. [2024-10-24 20:01:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-24 20:01:56,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:56,413 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, 1, 1, 1, 1] [2024-10-24 20:01:56,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:01:56,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:01:56,615 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:56,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1870081701, now seen corresponding path program 1 times [2024-10-24 20:01:56,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:56,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293287615] [2024-10-24 20:01:56,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:56,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:56,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813143568] [2024-10-24 20:01:56,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:56,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:56,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:56,632 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:56,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:01:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:56,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:01:56,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:56,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:56,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:56,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293287615] [2024-10-24 20:01:56,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:56,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813143568] [2024-10-24 20:01:56,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813143568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:56,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:56,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:56,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625079549] [2024-10-24 20:01:56,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:56,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:56,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:56,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:56,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:56,860 INFO L87 Difference]: Start difference. First operand 210 states and 251 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:57,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:57,188 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2024-10-24 20:01:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:57,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-24 20:01:57,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:57,190 INFO L225 Difference]: With dead ends: 268 [2024-10-24 20:01:57,190 INFO L226 Difference]: Without dead ends: 264 [2024-10-24 20:01:57,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:57,191 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 331 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:57,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 133 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-10-24 20:01:57,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 209. [2024-10-24 20:01:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.528301886792453) internal successors, (243), 204 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2024-10-24 20:01:57,198 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 25 [2024-10-24 20:01:57,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:57,199 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2024-10-24 20:01:57,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2024-10-24 20:01:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-24 20:01:57,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:57,202 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, 1, 1, 1, 1, 1] [2024-10-24 20:01:57,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 20:01:57,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:01:57,403 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:57,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:57,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2137957971, now seen corresponding path program 1 times [2024-10-24 20:01:57,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:57,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905717412] [2024-10-24 20:01:57,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:57,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:57,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:57,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905717412] [2024-10-24 20:01:57,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905717412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:57,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:57,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:57,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103853000] [2024-10-24 20:01:57,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:57,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:57,480 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:57,707 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2024-10-24 20:01:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:57,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-10-24 20:01:57,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:57,709 INFO L225 Difference]: With dead ends: 234 [2024-10-24 20:01:57,709 INFO L226 Difference]: Without dead ends: 232 [2024-10-24 20:01:57,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:57,710 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:57,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 152 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-10-24 20:01:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2024-10-24 20:01:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.51875) internal successors, (243), 205 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 249 transitions. [2024-10-24 20:01:57,718 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 249 transitions. Word has length 26 [2024-10-24 20:01:57,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:57,719 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 249 transitions. [2024-10-24 20:01:57,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 249 transitions. [2024-10-24 20:01:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:01:57,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:57,720 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, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:57,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 20:01:57,721 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:57,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:57,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1852187751, now seen corresponding path program 1 times [2024-10-24 20:01:57,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:57,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478000974] [2024-10-24 20:01:57,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:57,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:57,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:57,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478000974] [2024-10-24 20:01:57,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478000974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:57,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:57,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:57,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872248455] [2024-10-24 20:01:57,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:57,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:57,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:57,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:57,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:57,802 INFO L87 Difference]: Start difference. First operand 210 states and 249 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:58,119 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2024-10-24 20:01:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:58,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-10-24 20:01:58,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:58,121 INFO L225 Difference]: With dead ends: 228 [2024-10-24 20:01:58,121 INFO L226 Difference]: Without dead ends: 226 [2024-10-24 20:01:58,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:58,122 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:58,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 156 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-24 20:01:58,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2024-10-24 20:01:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 206 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2024-10-24 20:01:58,131 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 27 [2024-10-24 20:01:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:58,131 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2024-10-24 20:01:58,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2024-10-24 20:01:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-24 20:01:58,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:58,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:58,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 20:01:58,134 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:58,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:58,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1019513284, now seen corresponding path program 1 times [2024-10-24 20:01:58,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:58,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459456414] [2024-10-24 20:01:58,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:58,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:58,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:58,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459456414] [2024-10-24 20:01:58,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459456414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:58,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:58,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:58,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925112012] [2024-10-24 20:01:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:58,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:58,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:58,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:58,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:58,207 INFO L87 Difference]: Start difference. First operand 211 states and 249 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:58,461 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2024-10-24 20:01:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:58,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-10-24 20:01:58,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:58,463 INFO L225 Difference]: With dead ends: 227 [2024-10-24 20:01:58,463 INFO L226 Difference]: Without dead ends: 226 [2024-10-24 20:01:58,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:58,463 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 172 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:58,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 109 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:58,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-24 20:01:58,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2024-10-24 20:01:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.503030303030303) internal successors, (248), 210 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2024-10-24 20:01:58,472 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 254 transitions. Word has length 37 [2024-10-24 20:01:58,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:58,473 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 254 transitions. [2024-10-24 20:01:58,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2024-10-24 20:01:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 20:01:58,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:58,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:58,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 20:01:58,480 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:58,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:58,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1540140625, now seen corresponding path program 1 times [2024-10-24 20:01:58,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:58,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834596581] [2024-10-24 20:01:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:58,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:58,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:58,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834596581] [2024-10-24 20:01:58,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834596581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:58,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:58,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:58,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731182844] [2024-10-24 20:01:58,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:58,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:58,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:58,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:58,551 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:58,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:58,646 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2024-10-24 20:01:58,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:58,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-10-24 20:01:58,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:58,648 INFO L225 Difference]: With dead ends: 215 [2024-10-24 20:01:58,648 INFO L226 Difference]: Without dead ends: 214 [2024-10-24 20:01:58,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:58,649 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:58,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 139 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:58,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-24 20:01:58,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-10-24 20:01:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.490909090909091) internal successors, (246), 209 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2024-10-24 20:01:58,657 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 38 [2024-10-24 20:01:58,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:58,657 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2024-10-24 20:01:58,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2024-10-24 20:01:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:01:58,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:58,658 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:58,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 20:01:58,658 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:58,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:58,659 INFO L85 PathProgramCache]: Analyzing trace with hash -203884450, now seen corresponding path program 1 times [2024-10-24 20:01:58,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:58,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327581206] [2024-10-24 20:01:58,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:58,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:58,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327581206] [2024-10-24 20:01:58,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327581206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:58,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:58,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:58,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463761995] [2024-10-24 20:01:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:58,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:58,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:58,728 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:58,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:58,927 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2024-10-24 20:01:58,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:58,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-10-24 20:01:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:58,928 INFO L225 Difference]: With dead ends: 214 [2024-10-24 20:01:58,928 INFO L226 Difference]: Without dead ends: 213 [2024-10-24 20:01:58,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:58,929 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 63 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:58,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 111 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:58,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-24 20:01:58,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-24 20:01:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4848484848484849) internal successors, (245), 208 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 251 transitions. [2024-10-24 20:01:58,937 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 251 transitions. Word has length 39 [2024-10-24 20:01:58,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:58,937 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 251 transitions. [2024-10-24 20:01:58,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2024-10-24 20:01:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 20:01:58,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:58,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:58,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 20:01:58,938 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:58,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1688580561, now seen corresponding path program 1 times [2024-10-24 20:01:58,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:58,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720235239] [2024-10-24 20:01:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:59,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:59,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720235239] [2024-10-24 20:01:59,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720235239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:59,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:59,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:59,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461957259] [2024-10-24 20:01:59,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:59,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:59,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:59,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:59,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:59,002 INFO L87 Difference]: Start difference. First operand 213 states and 251 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:59,092 INFO L93 Difference]: Finished difference Result 233 states and 273 transitions. [2024-10-24 20:01:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-10-24 20:01:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:59,093 INFO L225 Difference]: With dead ends: 233 [2024-10-24 20:01:59,094 INFO L226 Difference]: Without dead ends: 231 [2024-10-24 20:01:59,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:59,094 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:59,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 306 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-24 20:01:59,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-10-24 20:01:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.461111111111111) internal successors, (263), 223 states have internal predecessors, (263), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:59,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 269 transitions. [2024-10-24 20:01:59,102 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 269 transitions. Word has length 40 [2024-10-24 20:01:59,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:59,103 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 269 transitions. [2024-10-24 20:01:59,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 269 transitions. [2024-10-24 20:01:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 20:01:59,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:59,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:59,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 20:01:59,104 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:59,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:59,104 INFO L85 PathProgramCache]: Analyzing trace with hash -2025450533, now seen corresponding path program 1 times [2024-10-24 20:01:59,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:59,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168502961] [2024-10-24 20:01:59,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:59,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:59,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:59,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168502961] [2024-10-24 20:01:59,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168502961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:59,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:59,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:59,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357287790] [2024-10-24 20:01:59,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:59,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:01:59,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:59,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:01:59,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:59,183 INFO L87 Difference]: Start difference. First operand 228 states and 269 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:59,377 INFO L93 Difference]: Finished difference Result 229 states and 269 transitions. [2024-10-24 20:01:59,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:59,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-10-24 20:01:59,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:59,378 INFO L225 Difference]: With dead ends: 229 [2024-10-24 20:01:59,378 INFO L226 Difference]: Without dead ends: 228 [2024-10-24 20:01:59,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:01:59,379 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 151 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:59,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 159 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:59,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-24 20:01:59,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-24 20:01:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 223 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2024-10-24 20:01:59,388 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 40 [2024-10-24 20:01:59,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:59,388 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2024-10-24 20:01:59,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2024-10-24 20:01:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 20:01:59,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:59,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:59,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 20:01:59,389 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:59,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:59,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1635543040, now seen corresponding path program 1 times [2024-10-24 20:01:59,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:59,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549614004] [2024-10-24 20:01:59,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:59,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:59,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:59,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549614004] [2024-10-24 20:01:59,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549614004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:59,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:59,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:59,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812036402] [2024-10-24 20:01:59,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:59,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:59,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:59,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:59,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:59,460 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:59,538 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2024-10-24 20:01:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:59,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-10-24 20:01:59,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:59,539 INFO L225 Difference]: With dead ends: 270 [2024-10-24 20:01:59,539 INFO L226 Difference]: Without dead ends: 268 [2024-10-24 20:01:59,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:59,540 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 62 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:59,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 311 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:59,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-10-24 20:01:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2024-10-24 20:01:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.4308510638297873) internal successors, (269), 231 states have internal predecessors, (269), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2024-10-24 20:01:59,558 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 41 [2024-10-24 20:01:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:59,558 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2024-10-24 20:01:59,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2024-10-24 20:01:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-24 20:01:59,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:59,559 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:59,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 20:01:59,560 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:59,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:59,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1846649332, now seen corresponding path program 1 times [2024-10-24 20:01:59,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:59,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104742733] [2024-10-24 20:01:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:59,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:59,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104742733] [2024-10-24 20:01:59,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104742733] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:01:59,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875605795] [2024-10-24 20:01:59,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:59,670 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:59,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:01:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:59,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:01:59,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:59,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:59,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875605795] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:59,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:01:59,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-10-24 20:01:59,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342389747] [2024-10-24 20:01:59,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:59,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:59,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:59,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:59,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:59,794 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:59,837 INFO L93 Difference]: Finished difference Result 236 states and 275 transitions. [2024-10-24 20:01:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:01:59,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-10-24 20:01:59,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:59,839 INFO L225 Difference]: With dead ends: 236 [2024-10-24 20:01:59,840 INFO L226 Difference]: Without dead ends: 235 [2024-10-24 20:01:59,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:01:59,841 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 82 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:59,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 331 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:01:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-24 20:01:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-10-24 20:01:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 188 states have (on average 1.4202127659574468) internal successors, (267), 230 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:59,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 273 transitions. [2024-10-24 20:01:59,850 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 273 transitions. Word has length 43 [2024-10-24 20:01:59,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:59,850 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 273 transitions. [2024-10-24 20:01:59,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:59,850 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 273 transitions. [2024-10-24 20:01:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 20:01:59,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:59,851 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:59,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:00,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-24 20:02:00,052 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:00,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:00,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1411554493, now seen corresponding path program 1 times [2024-10-24 20:02:00,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:00,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989932805] [2024-10-24 20:02:00,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:00,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:00,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:00,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989932805] [2024-10-24 20:02:00,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989932805] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:00,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570813368] [2024-10-24 20:02:00,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:00,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:00,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:00,130 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:00,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:02:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:00,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:02:00,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:00,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:00,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570813368] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:00,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:02:00,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2024-10-24 20:02:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385083267] [2024-10-24 20:02:00,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:00,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:02:00,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:00,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:02:00,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:02:00,336 INFO L87 Difference]: Start difference. First operand 235 states and 273 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:02:00,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:00,453 INFO L93 Difference]: Finished difference Result 650 states and 770 transitions. [2024-10-24 20:02:00,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:02:00,454 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2024-10-24 20:02:00,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:00,456 INFO L225 Difference]: With dead ends: 650 [2024-10-24 20:02:00,457 INFO L226 Difference]: Without dead ends: 587 [2024-10-24 20:02:00,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:02:00,458 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 230 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:00,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 840 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:02:00,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-24 20:02:00,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 413. [2024-10-24 20:02:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.4596100278551531) internal successors, (524), 401 states have internal predecessors, (524), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:02:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 538 transitions. [2024-10-24 20:02:00,477 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 538 transitions. Word has length 44 [2024-10-24 20:02:00,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:00,477 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 538 transitions. [2024-10-24 20:02:00,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:02:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 538 transitions. [2024-10-24 20:02:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-24 20:02:00,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:00,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:00,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:02:00,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:00,679 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:00,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:00,680 INFO L85 PathProgramCache]: Analyzing trace with hash -705796033, now seen corresponding path program 1 times [2024-10-24 20:02:00,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:00,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021121097] [2024-10-24 20:02:00,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:00,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270474597] [2024-10-24 20:02:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:00,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:00,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:00,699 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:00,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:02:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:00,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:02:00,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:00,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:00,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:01,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021121097] [2024-10-24 20:02:01,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270474597] [2024-10-24 20:02:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270474597] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:01,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:01,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:02:01,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460064286] [2024-10-24 20:02:01,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:01,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:02:01,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:01,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:02:01,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:02:01,290 INFO L87 Difference]: Start difference. First operand 413 states and 538 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:04,270 INFO L93 Difference]: Finished difference Result 441 states and 562 transitions. [2024-10-24 20:02:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:04,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2024-10-24 20:02:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:04,272 INFO L225 Difference]: With dead ends: 441 [2024-10-24 20:02:04,272 INFO L226 Difference]: Without dead ends: 439 [2024-10-24 20:02:04,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:04,273 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 320 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:04,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 298 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 20:02:04,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-24 20:02:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 419. [2024-10-24 20:02:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 365 states have (on average 1.4465753424657535) internal successors, (528), 407 states have internal predecessors, (528), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:02:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 542 transitions. [2024-10-24 20:02:04,289 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 542 transitions. Word has length 46 [2024-10-24 20:02:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:04,290 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 542 transitions. [2024-10-24 20:02:04,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 542 transitions. [2024-10-24 20:02:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 20:02:04,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:04,291 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:04,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:02:04,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-24 20:02:04,491 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:04,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:04,492 INFO L85 PathProgramCache]: Analyzing trace with hash -404840485, now seen corresponding path program 1 times [2024-10-24 20:02:04,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:04,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120267367] [2024-10-24 20:02:04,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:04,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:04,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579979889] [2024-10-24 20:02:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:04,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:04,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:04,506 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:04,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:02:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:04,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:02:04,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:04,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:05,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:05,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120267367] [2024-10-24 20:02:05,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:05,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579979889] [2024-10-24 20:02:05,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579979889] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:05,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:05,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:02:05,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010097805] [2024-10-24 20:02:05,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:05,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:02:05,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:05,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:02:05,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:02:05,336 INFO L87 Difference]: Start difference. First operand 419 states and 542 transitions. Second operand has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:07,779 INFO L93 Difference]: Finished difference Result 443 states and 558 transitions. [2024-10-24 20:02:07,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:07,779 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-10-24 20:02:07,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:07,780 INFO L225 Difference]: With dead ends: 443 [2024-10-24 20:02:07,781 INFO L226 Difference]: Without dead ends: 441 [2024-10-24 20:02:07,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:07,781 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 220 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:07,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 364 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 20:02:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-24 20:02:07,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 421. [2024-10-24 20:02:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 367 states have (on average 1.4332425068119892) internal successors, (526), 409 states have internal predecessors, (526), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:02:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 540 transitions. [2024-10-24 20:02:07,799 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 540 transitions. Word has length 47 [2024-10-24 20:02:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:07,799 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 540 transitions. [2024-10-24 20:02:07,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 540 transitions. [2024-10-24 20:02:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 20:02:07,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:07,800 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:07,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-24 20:02:08,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-24 20:02:08,001 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:08,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:08,002 INFO L85 PathProgramCache]: Analyzing trace with hash -334661821, now seen corresponding path program 1 times [2024-10-24 20:02:08,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:08,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85239577] [2024-10-24 20:02:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:08,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:08,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438201742] [2024-10-24 20:02:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:08,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:08,013 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:08,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:02:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:08,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:02:08,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:08,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:08,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:08,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85239577] [2024-10-24 20:02:08,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:08,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438201742] [2024-10-24 20:02:08,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438201742] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:08,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:08,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:02:08,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085580363] [2024-10-24 20:02:08,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:08,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:02:08,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:08,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:02:08,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:08,514 INFO L87 Difference]: Start difference. First operand 421 states and 540 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:13,020 INFO L93 Difference]: Finished difference Result 515 states and 633 transitions. [2024-10-24 20:02:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 20:02:13,021 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-10-24 20:02:13,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:13,023 INFO L225 Difference]: With dead ends: 515 [2024-10-24 20:02:13,023 INFO L226 Difference]: Without dead ends: 513 [2024-10-24 20:02:13,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-10-24 20:02:13,023 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 569 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:13,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 361 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 20:02:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-10-24 20:02:13,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 431. [2024-10-24 20:02:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 377 states have (on average 1.4164456233421752) internal successors, (534), 419 states have internal predecessors, (534), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:02:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 548 transitions. [2024-10-24 20:02:13,042 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 548 transitions. Word has length 50 [2024-10-24 20:02:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:13,042 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 548 transitions. [2024-10-24 20:02:13,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 548 transitions. [2024-10-24 20:02:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 20:02:13,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:13,043 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:13,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-24 20:02:13,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:13,244 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:13,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1784581793, now seen corresponding path program 1 times [2024-10-24 20:02:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:13,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757676978] [2024-10-24 20:02:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:13,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113610170] [2024-10-24 20:02:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:13,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:13,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:13,259 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:13,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:02:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:13,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:02:13,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:13,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:14,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:14,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757676978] [2024-10-24 20:02:14,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:14,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113610170] [2024-10-24 20:02:14,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113610170] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:14,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:14,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-24 20:02:14,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258776659] [2024-10-24 20:02:14,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:14,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:02:14,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:14,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:02:14,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:02:14,653 INFO L87 Difference]: Start difference. First operand 431 states and 548 transitions. Second operand has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:18,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:18,116 INFO L93 Difference]: Finished difference Result 531 states and 665 transitions. [2024-10-24 20:02:18,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 20:02:18,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-10-24 20:02:18,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:18,119 INFO L225 Difference]: With dead ends: 531 [2024-10-24 20:02:18,119 INFO L226 Difference]: Without dead ends: 529 [2024-10-24 20:02:18,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2024-10-24 20:02:18,120 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 1059 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:18,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 296 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 20:02:18,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-10-24 20:02:18,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 465. [2024-10-24 20:02:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 410 states have (on average 1.4195121951219511) internal successors, (582), 452 states have internal predecessors, (582), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:02:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 598 transitions. [2024-10-24 20:02:18,136 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 598 transitions. Word has length 51 [2024-10-24 20:02:18,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:18,136 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 598 transitions. [2024-10-24 20:02:18,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 598 transitions. [2024-10-24 20:02:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 20:02:18,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:18,137 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:18,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-24 20:02:18,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:18,341 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:18,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1501890289, now seen corresponding path program 1 times [2024-10-24 20:02:18,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:18,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784487906] [2024-10-24 20:02:18,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:18,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:18,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122731522] [2024-10-24 20:02:18,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:18,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:18,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:18,354 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:18,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 20:02:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:18,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:02:18,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:18,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:18,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:18,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784487906] [2024-10-24 20:02:18,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:18,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122731522] [2024-10-24 20:02:18,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122731522] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:18,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:02:18,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-24 20:02:18,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991440437] [2024-10-24 20:02:18,745 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:18,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:02:18,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:18,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:02:18,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:02:18,746 INFO L87 Difference]: Start difference. First operand 465 states and 598 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:19,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:19,228 INFO L93 Difference]: Finished difference Result 500 states and 622 transitions. [2024-10-24 20:02:19,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:19,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-10-24 20:02:19,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:19,230 INFO L225 Difference]: With dead ends: 500 [2024-10-24 20:02:19,230 INFO L226 Difference]: Without dead ends: 496 [2024-10-24 20:02:19,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:19,231 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 167 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:19,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 493 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:02:19,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-10-24 20:02:19,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 464. [2024-10-24 20:02:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 412 states have (on average 1.395631067961165) internal successors, (575), 451 states have internal predecessors, (575), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:02:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 591 transitions. [2024-10-24 20:02:19,251 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 591 transitions. Word has length 52 [2024-10-24 20:02:19,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:19,251 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 591 transitions. [2024-10-24 20:02:19,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2024-10-24 20:02:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 20:02:19,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:19,252 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:19,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:19,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:19,452 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:19,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:19,453 INFO L85 PathProgramCache]: Analyzing trace with hash 686041359, now seen corresponding path program 1 times [2024-10-24 20:02:19,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:19,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524936695] [2024-10-24 20:02:19,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:19,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:19,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63646821] [2024-10-24 20:02:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:19,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:19,463 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:19,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 20:02:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:19,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:02:19,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:19,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:20,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524936695] [2024-10-24 20:02:20,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63646821] [2024-10-24 20:02:20,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63646821] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:20,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:02:20,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:02:20,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225583294] [2024-10-24 20:02:20,365 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:20,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:02:20,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:20,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:02:20,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:02:20,366 INFO L87 Difference]: Start difference. First operand 464 states and 591 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:20,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:20,572 INFO L93 Difference]: Finished difference Result 624 states and 781 transitions. [2024-10-24 20:02:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:20,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-10-24 20:02:20,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:20,575 INFO L225 Difference]: With dead ends: 624 [2024-10-24 20:02:20,575 INFO L226 Difference]: Without dead ends: 622 [2024-10-24 20:02:20,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:20,576 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 431 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:20,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 327 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:02:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-24 20:02:20,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 552. [2024-10-24 20:02:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 498 states have (on average 1.4257028112449799) internal successors, (710), 537 states have internal predecessors, (710), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 730 transitions. [2024-10-24 20:02:20,597 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 730 transitions. Word has length 53 [2024-10-24 20:02:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:20,598 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 730 transitions. [2024-10-24 20:02:20,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 730 transitions. [2024-10-24 20:02:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:02:20,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:20,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:20,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-24 20:02:20,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-24 20:02:20,800 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:20,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash -348869274, now seen corresponding path program 1 times [2024-10-24 20:02:20,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:20,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687772996] [2024-10-24 20:02:20,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:20,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:20,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:20,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687772996] [2024-10-24 20:02:20,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687772996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:02:20,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:02:20,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:02:20,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510713725] [2024-10-24 20:02:20,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:02:20,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:02:20,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:02:20,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:02:20,871 INFO L87 Difference]: Start difference. First operand 552 states and 730 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:21,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:21,192 INFO L93 Difference]: Finished difference Result 557 states and 735 transitions. [2024-10-24 20:02:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:02:21,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-10-24 20:02:21,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:21,194 INFO L225 Difference]: With dead ends: 557 [2024-10-24 20:02:21,194 INFO L226 Difference]: Without dead ends: 556 [2024-10-24 20:02:21,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:02:21,195 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 47 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:21,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 128 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:02:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-10-24 20:02:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 555. [2024-10-24 20:02:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 501 states have (on average 1.4231536926147705) internal successors, (713), 540 states have internal predecessors, (713), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 733 transitions. [2024-10-24 20:02:21,215 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 733 transitions. Word has length 54 [2024-10-24 20:02:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:21,215 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 733 transitions. [2024-10-24 20:02:21,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 733 transitions. [2024-10-24 20:02:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:02:21,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:21,216 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:21,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 20:02:21,217 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:21,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:21,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1370937785, now seen corresponding path program 1 times [2024-10-24 20:02:21,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:21,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566580837] [2024-10-24 20:02:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:21,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534163760] [2024-10-24 20:02:21,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:21,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:21,233 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:21,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 20:02:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:21,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:02:21,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:21,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:21,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566580837] [2024-10-24 20:02:21,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534163760] [2024-10-24 20:02:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534163760] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:21,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-24 20:02:21,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796864856] [2024-10-24 20:02:21,410 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:21,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:02:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:21,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:02:21,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:02:21,411 INFO L87 Difference]: Start difference. First operand 555 states and 733 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:21,630 INFO L93 Difference]: Finished difference Result 625 states and 787 transitions. [2024-10-24 20:02:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:21,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-10-24 20:02:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:21,632 INFO L225 Difference]: With dead ends: 625 [2024-10-24 20:02:21,632 INFO L226 Difference]: Without dead ends: 623 [2024-10-24 20:02:21,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:02:21,633 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 202 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:21,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 286 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:02:21,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-10-24 20:02:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 556. [2024-10-24 20:02:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 502 states have (on average 1.4163346613545817) internal successors, (711), 541 states have internal predecessors, (711), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 731 transitions. [2024-10-24 20:02:21,654 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 731 transitions. Word has length 54 [2024-10-24 20:02:21,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:21,654 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 731 transitions. [2024-10-24 20:02:21,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 731 transitions. [2024-10-24 20:02:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:02:21,655 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:21,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:21,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:21,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-24 20:02:21,855 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:21,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2069954572, now seen corresponding path program 1 times [2024-10-24 20:02:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676687483] [2024-10-24 20:02:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:21,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676687483] [2024-10-24 20:02:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676687483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:02:21,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:02:21,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:02:21,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888381767] [2024-10-24 20:02:21,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:02:21,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:02:21,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:21,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:02:21,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:02:21,937 INFO L87 Difference]: Start difference. First operand 556 states and 731 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:22,099 INFO L93 Difference]: Finished difference Result 558 states and 732 transitions. [2024-10-24 20:02:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:02:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-10-24 20:02:22,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:22,104 INFO L225 Difference]: With dead ends: 558 [2024-10-24 20:02:22,104 INFO L226 Difference]: Without dead ends: 535 [2024-10-24 20:02:22,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:02:22,105 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 44 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:22,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 131 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:02:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-10-24 20:02:22,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2024-10-24 20:02:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 481 states have (on average 1.4324324324324325) internal successors, (689), 520 states have internal predecessors, (689), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 709 transitions. [2024-10-24 20:02:22,127 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 709 transitions. Word has length 55 [2024-10-24 20:02:22,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:22,127 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 709 transitions. [2024-10-24 20:02:22,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 709 transitions. [2024-10-24 20:02:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:02:22,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:22,128 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:22,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 20:02:22,128 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:22,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:22,129 INFO L85 PathProgramCache]: Analyzing trace with hash 450601699, now seen corresponding path program 1 times [2024-10-24 20:02:22,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:22,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281017877] [2024-10-24 20:02:22,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:22,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:22,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1472452989] [2024-10-24 20:02:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:22,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:22,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:22,142 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:22,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-24 20:02:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:22,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:02:22,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:22,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:22,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281017877] [2024-10-24 20:02:22,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472452989] [2024-10-24 20:02:22,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472452989] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:22,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:22,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-24 20:02:22,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957043038] [2024-10-24 20:02:22,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:22,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:02:22,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:22,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:02:22,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:02:22,326 INFO L87 Difference]: Start difference. First operand 535 states and 709 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:22,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:22,479 INFO L93 Difference]: Finished difference Result 602 states and 761 transitions. [2024-10-24 20:02:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:22,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-10-24 20:02:22,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:22,480 INFO L225 Difference]: With dead ends: 602 [2024-10-24 20:02:22,481 INFO L226 Difference]: Without dead ends: 600 [2024-10-24 20:02:22,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:02:22,481 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 352 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:22,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 236 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:02:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-10-24 20:02:22,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 536. [2024-10-24 20:02:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 482 states have (on average 1.4253112033195021) internal successors, (687), 521 states have internal predecessors, (687), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 707 transitions. [2024-10-24 20:02:22,502 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 707 transitions. Word has length 55 [2024-10-24 20:02:22,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:22,502 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 707 transitions. [2024-10-24 20:02:22,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 707 transitions. [2024-10-24 20:02:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 20:02:22,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:22,503 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:22,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:22,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-24 20:02:22,708 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:22,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:22,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1083750857, now seen corresponding path program 1 times [2024-10-24 20:02:22,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:22,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703030502] [2024-10-24 20:02:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:22,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750509229] [2024-10-24 20:02:22,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:22,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:22,719 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:22,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-24 20:02:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:22,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:02:22,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:23,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:23,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703030502] [2024-10-24 20:02:23,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750509229] [2024-10-24 20:02:23,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750509229] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:23,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:23,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-24 20:02:23,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701016115] [2024-10-24 20:02:23,609 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:23,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:02:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:23,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:02:23,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:02:23,610 INFO L87 Difference]: Start difference. First operand 536 states and 707 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:30,732 INFO L93 Difference]: Finished difference Result 611 states and 785 transitions. [2024-10-24 20:02:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:02:30,736 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-10-24 20:02:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:30,738 INFO L225 Difference]: With dead ends: 611 [2024-10-24 20:02:30,738 INFO L226 Difference]: Without dead ends: 607 [2024-10-24 20:02:30,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2024-10-24 20:02:30,739 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 950 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:30,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 290 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-10-24 20:02:30,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-24 20:02:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 562. [2024-10-24 20:02:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 508 states have (on average 1.3996062992125984) internal successors, (711), 547 states have internal predecessors, (711), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 731 transitions. [2024-10-24 20:02:30,762 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 731 transitions. Word has length 56 [2024-10-24 20:02:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:30,762 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 731 transitions. [2024-10-24 20:02:30,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 731 transitions. [2024-10-24 20:02:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 20:02:30,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:30,763 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:30,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-24 20:02:30,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:30,968 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:30,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:30,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1891172077, now seen corresponding path program 1 times [2024-10-24 20:02:30,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:30,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473117434] [2024-10-24 20:02:30,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:30,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:30,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434635899] [2024-10-24 20:02:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:30,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:30,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:30,983 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:30,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-24 20:02:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:31,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:02:31,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:31,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:31,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473117434] [2024-10-24 20:02:31,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434635899] [2024-10-24 20:02:31,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434635899] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:31,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:31,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:02:31,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709535211] [2024-10-24 20:02:31,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:31,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:02:31,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:31,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:02:31,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:31,540 INFO L87 Difference]: Start difference. First operand 562 states and 731 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:34,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:34,390 INFO L93 Difference]: Finished difference Result 816 states and 1037 transitions. [2024-10-24 20:02:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:02:34,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-10-24 20:02:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:34,392 INFO L225 Difference]: With dead ends: 816 [2024-10-24 20:02:34,392 INFO L226 Difference]: Without dead ends: 815 [2024-10-24 20:02:34,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:02:34,393 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 1107 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:34,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1107 Valid, 528 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 20:02:34,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-10-24 20:02:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 659. [2024-10-24 20:02:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 603 states have (on average 1.4129353233830846) internal successors, (852), 642 states have internal predecessors, (852), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 876 transitions. [2024-10-24 20:02:34,423 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 876 transitions. Word has length 56 [2024-10-24 20:02:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:34,424 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 876 transitions. [2024-10-24 20:02:34,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 876 transitions. [2024-10-24 20:02:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 20:02:34,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:34,424 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:34,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:34,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-24 20:02:34,629 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:34,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:34,629 INFO L85 PathProgramCache]: Analyzing trace with hash -763461723, now seen corresponding path program 1 times [2024-10-24 20:02:34,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:34,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226443529] [2024-10-24 20:02:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:34,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:34,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226443529] [2024-10-24 20:02:34,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226443529] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247262612] [2024-10-24 20:02:34,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:34,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:34,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:34,714 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:34,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-24 20:02:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:34,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:02:34,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:34,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:34,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247262612] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:34,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:02:34,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-24 20:02:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828466507] [2024-10-24 20:02:34,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:34,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:02:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:02:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:02:34,875 INFO L87 Difference]: Start difference. First operand 659 states and 876 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:02:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:35,148 INFO L93 Difference]: Finished difference Result 668 states and 888 transitions. [2024-10-24 20:02:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:02:35,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2024-10-24 20:02:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:35,151 INFO L225 Difference]: With dead ends: 668 [2024-10-24 20:02:35,151 INFO L226 Difference]: Without dead ends: 666 [2024-10-24 20:02:35,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:02:35,152 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 246 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:35,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 312 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:02:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-10-24 20:02:35,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 657. [2024-10-24 20:02:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 603 states have (on average 1.3897180762852404) internal successors, (838), 640 states have internal predecessors, (838), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 862 transitions. [2024-10-24 20:02:35,180 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 862 transitions. Word has length 57 [2024-10-24 20:02:35,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:35,181 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 862 transitions. [2024-10-24 20:02:35,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:02:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 862 transitions. [2024-10-24 20:02:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 20:02:35,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:35,182 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:35,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:35,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-24 20:02:35,383 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:35,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:35,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1503207827, now seen corresponding path program 1 times [2024-10-24 20:02:35,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:35,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551850218] [2024-10-24 20:02:35,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:35,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:35,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147007392] [2024-10-24 20:02:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:35,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:35,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:35,395 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:35,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-24 20:02:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:35,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:02:35,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:35,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:36,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:36,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551850218] [2024-10-24 20:02:36,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:36,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147007392] [2024-10-24 20:02:36,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147007392] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:36,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:36,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:02:36,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868545092] [2024-10-24 20:02:36,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:36,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:02:36,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:36,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:02:36,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:36,131 INFO L87 Difference]: Start difference. First operand 657 states and 862 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:39,057 INFO L93 Difference]: Finished difference Result 812 states and 1013 transitions. [2024-10-24 20:02:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:02:39,057 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-10-24 20:02:39,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:39,059 INFO L225 Difference]: With dead ends: 812 [2024-10-24 20:02:39,059 INFO L226 Difference]: Without dead ends: 810 [2024-10-24 20:02:39,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:02:39,060 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1053 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:39,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 485 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 20:02:39,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-10-24 20:02:39,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 657. [2024-10-24 20:02:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 603 states have (on average 1.3747927031509122) internal successors, (829), 640 states have internal predecessors, (829), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 853 transitions. [2024-10-24 20:02:39,090 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 853 transitions. Word has length 57 [2024-10-24 20:02:39,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:39,090 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 853 transitions. [2024-10-24 20:02:39,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:39,090 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 853 transitions. [2024-10-24 20:02:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 20:02:39,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:39,091 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:39,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-24 20:02:39,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-24 20:02:39,292 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:39,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:39,292 INFO L85 PathProgramCache]: Analyzing trace with hash -645197547, now seen corresponding path program 1 times [2024-10-24 20:02:39,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:39,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756622692] [2024-10-24 20:02:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:39,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:39,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599909583] [2024-10-24 20:02:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:39,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:39,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:39,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-24 20:02:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:39,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:02:39,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:39,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:40,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:40,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756622692] [2024-10-24 20:02:40,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:40,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599909583] [2024-10-24 20:02:40,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599909583] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:40,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-10-24 20:02:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171652514] [2024-10-24 20:02:40,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:40,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:02:40,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:02:40,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:02:40,591 INFO L87 Difference]: Start difference. First operand 657 states and 853 transitions. Second operand has 18 states, 17 states have (on average 6.411764705882353) internal successors, (109), 18 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:54,850 INFO L93 Difference]: Finished difference Result 773 states and 991 transitions. [2024-10-24 20:02:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-24 20:02:54,851 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.411764705882353) internal successors, (109), 18 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-10-24 20:02:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:54,853 INFO L225 Difference]: With dead ends: 773 [2024-10-24 20:02:54,853 INFO L226 Difference]: Without dead ends: 765 [2024-10-24 20:02:54,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=375, Invalid=1695, Unknown=0, NotChecked=0, Total=2070 [2024-10-24 20:02:54,854 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 709 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:54,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 353 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2024-10-24 20:02:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-10-24 20:02:54,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 667. [2024-10-24 20:02:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 613 states have (on average 1.363784665579119) internal successors, (836), 650 states have internal predecessors, (836), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 860 transitions. [2024-10-24 20:02:54,893 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 860 transitions. Word has length 58 [2024-10-24 20:02:54,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:54,894 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 860 transitions. [2024-10-24 20:02:54,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.411764705882353) internal successors, (109), 18 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 860 transitions. [2024-10-24 20:02:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 20:02:54,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:54,895 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:54,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-24 20:02:55,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:55,099 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:55,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1473712597, now seen corresponding path program 1 times [2024-10-24 20:02:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:55,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918087495] [2024-10-24 20:02:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:55,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:55,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1277084234] [2024-10-24 20:02:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:55,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:55,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:55,112 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:02:55,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-24 20:02:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:55,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:02:55,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:55,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:56,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:56,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918087495] [2024-10-24 20:02:56,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:56,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277084234] [2024-10-24 20:02:56,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277084234] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:56,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:56,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-10-24 20:02:56,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870558140] [2024-10-24 20:02:56,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:56,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:02:56,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:56,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:02:56,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:02:56,452 INFO L87 Difference]: Start difference. First operand 667 states and 860 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:07,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:07,552 INFO L93 Difference]: Finished difference Result 767 states and 981 transitions. [2024-10-24 20:03:07,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-24 20:03:07,552 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-10-24 20:03:07,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:07,554 INFO L225 Difference]: With dead ends: 767 [2024-10-24 20:03:07,554 INFO L226 Difference]: Without dead ends: 762 [2024-10-24 20:03:07,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=362, Invalid=1618, Unknown=0, NotChecked=0, Total=1980 [2024-10-24 20:03:07,558 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 652 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:07,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 409 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-10-24 20:03:07,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-10-24 20:03:07,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 673. [2024-10-24 20:03:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 619 states have (on average 1.3505654281098547) internal successors, (836), 656 states have internal predecessors, (836), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:03:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 860 transitions. [2024-10-24 20:03:07,587 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 860 transitions. Word has length 59 [2024-10-24 20:03:07,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:07,587 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 860 transitions. [2024-10-24 20:03:07,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 860 transitions. [2024-10-24 20:03:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 20:03:07,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:07,588 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:03:07,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-24 20:03:07,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:07,789 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:07,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:07,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1784791337, now seen corresponding path program 1 times [2024-10-24 20:03:07,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:07,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366514459] [2024-10-24 20:03:07,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:03:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:07,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:07,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366514459] [2024-10-24 20:03:07,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366514459] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:03:07,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997266229] [2024-10-24 20:03:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:07,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:07,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:07,850 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:03:07,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-24 20:03:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:03:07,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:07,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:08,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997266229] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:08,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:03:08,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-24 20:03:08,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640470388] [2024-10-24 20:03:08,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:08,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:03:08,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:08,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:03:08,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:03:08,111 INFO L87 Difference]: Start difference. First operand 673 states and 860 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:08,511 INFO L93 Difference]: Finished difference Result 798 states and 1026 transitions. [2024-10-24 20:03:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 20:03:08,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2024-10-24 20:03:08,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:08,513 INFO L225 Difference]: With dead ends: 798 [2024-10-24 20:03:08,513 INFO L226 Difference]: Without dead ends: 796 [2024-10-24 20:03:08,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:03:08,514 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 191 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:08,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 251 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:03:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-10-24 20:03:08,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 751. [2024-10-24 20:03:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 696 states have (on average 1.3793103448275863) internal successors, (960), 733 states have internal predecessors, (960), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 20:03:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 986 transitions. [2024-10-24 20:03:08,534 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 986 transitions. Word has length 61 [2024-10-24 20:03:08,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:08,534 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 986 transitions. [2024-10-24 20:03:08,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 986 transitions. [2024-10-24 20:03:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 20:03:08,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:08,535 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:03:08,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-24 20:03:08,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:08,736 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:08,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash -506043313, now seen corresponding path program 1 times [2024-10-24 20:03:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:08,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553610853] [2024-10-24 20:03:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:08,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:03:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:08,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:08,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553610853] [2024-10-24 20:03:08,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553610853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:03:08,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:03:08,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:03:08,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574046995] [2024-10-24 20:03:08,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:03:08,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:03:08,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:08,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:03:08,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:03:08,797 INFO L87 Difference]: Start difference. First operand 751 states and 986 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:03:09,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:09,142 INFO L93 Difference]: Finished difference Result 1015 states and 1357 transitions. [2024-10-24 20:03:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:03:09,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-10-24 20:03:09,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:09,145 INFO L225 Difference]: With dead ends: 1015 [2024-10-24 20:03:09,145 INFO L226 Difference]: Without dead ends: 1013 [2024-10-24 20:03:09,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:03:09,146 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 92 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:09,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 310 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:03:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-10-24 20:03:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 948. [2024-10-24 20:03:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 889 states have (on average 1.4128233970753656) internal successors, (1256), 926 states have internal predecessors, (1256), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:03:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1290 transitions. [2024-10-24 20:03:09,176 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1290 transitions. Word has length 62 [2024-10-24 20:03:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:09,176 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1290 transitions. [2024-10-24 20:03:09,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:03:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1290 transitions. [2024-10-24 20:03:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 20:03:09,182 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:09,183 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:03:09,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-24 20:03:09,183 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:09,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1492526571, now seen corresponding path program 1 times [2024-10-24 20:03:09,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:09,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035508438] [2024-10-24 20:03:09,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:09,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:03:09,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585388005] [2024-10-24 20:03:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:09,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:09,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:09,194 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:03:09,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-24 20:03:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:09,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 20:03:09,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:09,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 20:03:09,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:09,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035508438] [2024-10-24 20:03:09,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:03:09,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585388005] [2024-10-24 20:03:09,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585388005] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:09,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:03:09,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-10-24 20:03:09,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803683402] [2024-10-24 20:03:09,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:09,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:03:09,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:09,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:03:09,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:03:09,838 INFO L87 Difference]: Start difference. First operand 948 states and 1290 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:12,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:12,262 INFO L93 Difference]: Finished difference Result 978 states and 1321 transitions. [2024-10-24 20:03:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:03:12,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2024-10-24 20:03:12,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:12,266 INFO L225 Difference]: With dead ends: 978 [2024-10-24 20:03:12,266 INFO L226 Difference]: Without dead ends: 952 [2024-10-24 20:03:12,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-10-24 20:03:12,267 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 340 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:12,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 230 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 20:03:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-10-24 20:03:12,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 933. [2024-10-24 20:03:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 874 states have (on average 1.4153318077803203) internal successors, (1237), 911 states have internal predecessors, (1237), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:03:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1271 transitions. [2024-10-24 20:03:12,309 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1271 transitions. Word has length 63 [2024-10-24 20:03:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:12,309 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1271 transitions. [2024-10-24 20:03:12,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1271 transitions. [2024-10-24 20:03:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 20:03:12,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:12,310 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:03:12,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-24 20:03:12,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-24 20:03:12,514 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:12,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:12,515 INFO L85 PathProgramCache]: Analyzing trace with hash 413114653, now seen corresponding path program 1 times [2024-10-24 20:03:12,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:12,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28366761] [2024-10-24 20:03:12,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:03:12,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141397983] [2024-10-24 20:03:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:12,525 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:03:12,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-24 20:03:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:12,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:03:12,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:13,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:13,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:13,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28366761] [2024-10-24 20:03:13,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:03:13,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141397983] [2024-10-24 20:03:13,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141397983] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:13,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:03:13,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2024-10-24 20:03:13,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551255181] [2024-10-24 20:03:13,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:13,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:03:13,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:13,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:03:13,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:03:13,505 INFO L87 Difference]: Start difference. First operand 933 states and 1271 transitions. Second operand has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:17,886 INFO L93 Difference]: Finished difference Result 956 states and 1289 transitions. [2024-10-24 20:03:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-24 20:03:17,886 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2024-10-24 20:03:17,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:17,889 INFO L225 Difference]: With dead ends: 956 [2024-10-24 20:03:17,889 INFO L226 Difference]: Without dead ends: 952 [2024-10-24 20:03:17,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=373, Invalid=1519, Unknown=0, NotChecked=0, Total=1892 [2024-10-24 20:03:17,890 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 436 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:17,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 226 Invalid, 1500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-24 20:03:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-10-24 20:03:17,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 938. [2024-10-24 20:03:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 880 states have (on average 1.4045454545454545) internal successors, (1236), 916 states have internal predecessors, (1236), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:03:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1270 transitions. [2024-10-24 20:03:17,921 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1270 transitions. Word has length 66 [2024-10-24 20:03:17,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:17,921 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1270 transitions. [2024-10-24 20:03:17,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1270 transitions. [2024-10-24 20:03:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 20:03:17,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:17,922 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:03:17,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-24 20:03:18,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-24 20:03:18,123 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:18,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:18,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1684693696, now seen corresponding path program 1 times [2024-10-24 20:03:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:18,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346304696] [2024-10-24 20:03:18,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:18,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:18,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:03:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 20:03:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:18,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:18,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346304696] [2024-10-24 20:03:18,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346304696] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:03:18,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455952592] [2024-10-24 20:03:18,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:18,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:18,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:18,206 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:03:18,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-24 20:03:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:18,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:03:18,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:18,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:18,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455952592] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:18,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:03:18,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-24 20:03:18,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688676693] [2024-10-24 20:03:18,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:18,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:03:18,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:03:18,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:03:18,536 INFO L87 Difference]: Start difference. First operand 938 states and 1270 transitions. Second operand has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)