./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/sum01_bug02.i -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 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:56:03,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:56:03,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:56:03,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:56:03,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:56:03,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:56:03,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:56:03,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:56:03,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:56:03,466 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:56:03,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:56:03,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:56:03,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:56:03,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:56:03,468 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:56:03,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:56:03,468 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e [2025-03-09 01:56:03,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:56:03,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:56:03,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:56:03,712 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:56:03,712 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:56:03,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02.i [2025-03-09 01:56:04,830 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b115b0a11/02e28aec40f44e42b592f173bc808982/FLAG55b7524a4 [2025-03-09 01:56:05,037 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:56:05,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02.i [2025-03-09 01:56:05,052 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b115b0a11/02e28aec40f44e42b592f173bc808982/FLAG55b7524a4 [2025-03-09 01:56:05,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b115b0a11/02e28aec40f44e42b592f173bc808982 [2025-03-09 01:56:05,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:56:05,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:56:05,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:56:05,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:56:05,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:56:05,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3867afc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05, skipping insertion in model container [2025-03-09 01:56:05,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:56:05,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:56:05,202 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:56:05,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:56:05,227 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:56:05,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05 WrapperNode [2025-03-09 01:56:05,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:56:05,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:56:05,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:56:05,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:56:05,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,251 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2025-03-09 01:56:05,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:56:05,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:56:05,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:56:05,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:56:05,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,271 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]. [2025-03-09 01:56:05,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:56:05,278 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:56:05,278 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:56:05,278 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:56:05,280 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (1/1) ... [2025-03-09 01:56:05,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:56:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:05,310 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) [2025-03-09 01:56:05,313 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 [2025-03-09 01:56:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:56:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:56:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:56:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:56:05,375 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:56:05,377 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:56:05,499 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2025-03-09 01:56:05,500 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:56:05,510 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:56:05,511 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:56:05,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:56:05 BoogieIcfgContainer [2025-03-09 01:56:05,511 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:56:05,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:56:05,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:56:05,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:56:05,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:56:05" (1/3) ... [2025-03-09 01:56:05,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9634a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:56:05, skipping insertion in model container [2025-03-09 01:56:05,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:56:05" (2/3) ... [2025-03-09 01:56:05,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9634a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:56:05, skipping insertion in model container [2025-03-09 01:56:05,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:56:05" (3/3) ... [2025-03-09 01:56:05,521 INFO L128 eAbstractionObserver]: Analyzing ICFG sum01_bug02.i [2025-03-09 01:56:05,533 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:56:05,535 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum01_bug02.i that has 1 procedures, 30 locations, 1 initial locations, 1 loop locations, and 8 error locations. [2025-03-09 01:56:05,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:56:05,585 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;@b7646e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:56:05,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 01:56:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.619047619047619) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 01:56:05,594 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:05,595 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 01:56:05,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:05,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:05,600 INFO L85 PathProgramCache]: Analyzing trace with hash 62952177, now seen corresponding path program 1 times [2025-03-09 01:56:05,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:05,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009248547] [2025-03-09 01:56:05,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:05,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:56:05,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:56:05,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:05,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:05,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:05,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009248547] [2025-03-09 01:56:05,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009248547] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:05,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:05,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:56:05,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359946770] [2025-03-09 01:56:05,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:05,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:56:05,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:05,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:56:05,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:56:05,767 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.619047619047619) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2025-03-09 01:56:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:05,789 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2025-03-09 01:56:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:56:05,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2025-03-09 01:56:05,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:05,795 INFO L225 Difference]: With dead ends: 34 [2025-03-09 01:56:05,795 INFO L226 Difference]: Without dead ends: 21 [2025-03-09 01:56:05,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:56:05,798 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:05,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 29 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:05,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-09 01:56:05,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-09 01:56:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-03-09 01:56:05,822 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 5 [2025-03-09 01:56:05,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:05,823 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-03-09 01:56:05,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2025-03-09 01:56:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-03-09 01:56:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 01:56:05,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:05,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 01:56:05,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:56:05,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:05,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1951516985, now seen corresponding path program 1 times [2025-03-09 01:56:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:05,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885561142] [2025-03-09 01:56:05,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:05,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 01:56:05,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 01:56:05,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:05,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:05,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:05,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885561142] [2025-03-09 01:56:05,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885561142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:05,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:05,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:56:05,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945092847] [2025-03-09 01:56:05,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:05,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:56:05,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:05,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:56:05,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:56:05,858 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:05,880 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2025-03-09 01:56:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:56:05,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2025-03-09 01:56:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:05,881 INFO L225 Difference]: With dead ends: 39 [2025-03-09 01:56:05,881 INFO L226 Difference]: Without dead ends: 37 [2025-03-09 01:56:05,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:56:05,882 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:05,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 36 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:05,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-03-09 01:56:05,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2025-03-09 01:56:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.608695652173913) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2025-03-09 01:56:05,885 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 6 [2025-03-09 01:56:05,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:05,885 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2025-03-09 01:56:05,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2025-03-09 01:56:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 01:56:05,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:05,886 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 01:56:05,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:56:05,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:05,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:05,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1951517466, now seen corresponding path program 1 times [2025-03-09 01:56:05,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:05,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826333519] [2025-03-09 01:56:05,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:05,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:05,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 01:56:05,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 01:56:05,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:05,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:05,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:05,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826333519] [2025-03-09 01:56:05,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826333519] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:05,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:05,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:56:05,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557040463] [2025-03-09 01:56:05,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:05,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:56:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:05,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:56:05,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:05,937 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:05,989 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2025-03-09 01:56:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:56:05,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2025-03-09 01:56:05,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:05,991 INFO L225 Difference]: With dead ends: 45 [2025-03-09 01:56:05,991 INFO L226 Difference]: Without dead ends: 42 [2025-03-09 01:56:05,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:05,991 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:05,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 42 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-03-09 01:56:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2025-03-09 01:56:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2025-03-09 01:56:05,996 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 6 [2025-03-09 01:56:05,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:05,996 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2025-03-09 01:56:05,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2025-03-09 01:56:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:56:05,997 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:05,997 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:05,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:56:05,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:05,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash 367485248, now seen corresponding path program 1 times [2025-03-09 01:56:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976121979] [2025-03-09 01:56:05,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:06,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:56:06,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:56:06,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:06,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976121979] [2025-03-09 01:56:06,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976121979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:06,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:06,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 01:56:06,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572389322] [2025-03-09 01:56:06,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:06,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:56:06,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:06,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:56:06,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,065 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2025-03-09 01:56:06,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:06,092 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2025-03-09 01:56:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:56:06,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 [2025-03-09 01:56:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:06,094 INFO L225 Difference]: With dead ends: 53 [2025-03-09 01:56:06,094 INFO L226 Difference]: Without dead ends: 26 [2025-03-09 01:56:06,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,094 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:06,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 48 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:06,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-09 01:56:06,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2025-03-09 01:56:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 24 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) [2025-03-09 01:56:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2025-03-09 01:56:06,099 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 7 [2025-03-09 01:56:06,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:06,099 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2025-03-09 01:56:06,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2025-03-09 01:56:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2025-03-09 01:56:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 01:56:06,099 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:06,099 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:06,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 01:56:06,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:06,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:06,102 INFO L85 PathProgramCache]: Analyzing trace with hash 965173501, now seen corresponding path program 1 times [2025-03-09 01:56:06,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:06,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034619331] [2025-03-09 01:56:06,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:06,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 01:56:06,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 01:56:06,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:06,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034619331] [2025-03-09 01:56:06,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034619331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:06,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:06,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:56:06,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684174304] [2025-03-09 01:56:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:06,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:56:06,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:06,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:56:06,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,164 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:06,198 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2025-03-09 01:56:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:56:06,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-09 01:56:06,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:06,199 INFO L225 Difference]: With dead ends: 29 [2025-03-09 01:56:06,199 INFO L226 Difference]: Without dead ends: 28 [2025-03-09 01:56:06,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,199 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:06,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:06,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-03-09 01:56:06,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2025-03-09 01:56:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.4) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2025-03-09 01:56:06,202 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 9 [2025-03-09 01:56:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:06,202 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2025-03-09 01:56:06,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2025-03-09 01:56:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-09 01:56:06,202 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:06,204 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:06,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 01:56:06,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:06,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:06,205 INFO L85 PathProgramCache]: Analyzing trace with hash -144392554, now seen corresponding path program 1 times [2025-03-09 01:56:06,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:06,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895352134] [2025-03-09 01:56:06,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:06,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 01:56:06,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 01:56:06,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:06,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895352134] [2025-03-09 01:56:06,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895352134] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:06,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:06,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:56:06,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9997180] [2025-03-09 01:56:06,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:06,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:56:06,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:06,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:56:06,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,259 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:06,277 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2025-03-09 01:56:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:56:06,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-03-09 01:56:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:06,278 INFO L225 Difference]: With dead ends: 27 [2025-03-09 01:56:06,278 INFO L226 Difference]: Without dead ends: 26 [2025-03-09 01:56:06,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,278 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:06,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-09 01:56:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-03-09 01:56:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.35) internal successors, (27), 25 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) [2025-03-09 01:56:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-03-09 01:56:06,281 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 10 [2025-03-09 01:56:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:06,281 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-03-09 01:56:06,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-03-09 01:56:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-09 01:56:06,283 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:06,283 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:06,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 01:56:06,283 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:06,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash -181201893, now seen corresponding path program 1 times [2025-03-09 01:56:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551907479] [2025-03-09 01:56:06,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:06,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 01:56:06,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 01:56:06,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:06,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551907479] [2025-03-09 01:56:06,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551907479] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:06,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:56:06,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:56:06,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791268922] [2025-03-09 01:56:06,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:06,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:56:06,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:06,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:56:06,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,361 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:06,395 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2025-03-09 01:56:06,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:56:06,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2025-03-09 01:56:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:06,395 INFO L225 Difference]: With dead ends: 31 [2025-03-09 01:56:06,395 INFO L226 Difference]: Without dead ends: 29 [2025-03-09 01:56:06,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:56:06,396 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:06,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 41 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-03-09 01:56:06,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-03-09 01:56:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2025-03-09 01:56:06,399 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 11 [2025-03-09 01:56:06,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:06,399 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2025-03-09 01:56:06,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2025-03-09 01:56:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 01:56:06,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:06,399 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 01:56:06,399 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:06,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1056820296, now seen corresponding path program 1 times [2025-03-09 01:56:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437693658] [2025-03-09 01:56:06,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:06,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:56:06,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:56:06,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:06,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437693658] [2025-03-09 01:56:06,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437693658] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:06,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364737577] [2025-03-09 01:56:06,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:06,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:06,455 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) [2025-03-09 01:56:06,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:56:06,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:56:06,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:56:06,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:56:06,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,539 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:56:06,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364737577] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:06,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:56:06,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 01:56:06,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476137022] [2025-03-09 01:56:06,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:06,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:56:06,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:06,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:56:06,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 01:56:06,540 INFO L87 Difference]: Start difference. First operand 29 states and 30 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) [2025-03-09 01:56:06,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:06,553 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2025-03-09 01:56:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:56:06,554 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 [2025-03-09 01:56:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:06,554 INFO L225 Difference]: With dead ends: 29 [2025-03-09 01:56:06,554 INFO L226 Difference]: Without dead ends: 28 [2025-03-09 01:56:06,554 INFO L434 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 [2025-03-09 01:56:06,555 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:06,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 24 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:06,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-03-09 01:56:06,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-03-09 01:56:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2025-03-09 01:56:06,557 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 15 [2025-03-09 01:56:06,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:06,561 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2025-03-09 01:56:06,561 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) [2025-03-09 01:56:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2025-03-09 01:56:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 01:56:06,561 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:06,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:06,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:56:06,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:06,762 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:06,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:06,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1056820777, now seen corresponding path program 1 times [2025-03-09 01:56:06,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:06,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728314788] [2025-03-09 01:56:06,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:06,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:56:06,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:56:06,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:06,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728314788] [2025-03-09 01:56:06,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728314788] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:06,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392116840] [2025-03-09 01:56:06,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:06,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:06,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:06,828 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) [2025-03-09 01:56:06,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 01:56:06,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:56:06,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:56:06,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:06,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:06,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 01:56:06,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,900 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:06,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392116840] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:06,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:06,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-09 01:56:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009824141] [2025-03-09 01:56:06,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:06,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 01:56:06,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:06,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 01:56:06,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:56:06,955 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:07,052 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2025-03-09 01:56:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 01:56:07,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-09 01:56:07,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:07,053 INFO L225 Difference]: With dead ends: 39 [2025-03-09 01:56:07,053 INFO L226 Difference]: Without dead ends: 34 [2025-03-09 01:56:07,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2025-03-09 01:56:07,054 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 46 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:07,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 58 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:56:07,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-09 01:56:07,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 25. [2025-03-09 01:56:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 24 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) [2025-03-09 01:56:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2025-03-09 01:56:07,059 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 15 [2025-03-09 01:56:07,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:07,059 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2025-03-09 01:56:07,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2025-03-09 01:56:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-09 01:56:07,060 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:07,060 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:07,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:07,260 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,SelfDestructingSolverStorable8 [2025-03-09 01:56:07,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:07,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:07,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1598309200, now seen corresponding path program 1 times [2025-03-09 01:56:07,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:07,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42967892] [2025-03-09 01:56:07,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:07,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:07,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 01:56:07,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 01:56:07,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:07,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:07,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42967892] [2025-03-09 01:56:07,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42967892] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212274275] [2025-03-09 01:56:07,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:07,294 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) [2025-03-09 01:56:07,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 01:56:07,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 01:56:07,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 01:56:07,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:07,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:07,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:56:07,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:07,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:07,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212274275] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:07,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:07,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 01:56:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924502259] [2025-03-09 01:56:07,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:07,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 01:56:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:07,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 01:56:07,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 01:56:07,385 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:07,407 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2025-03-09 01:56:07,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:56:07,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-03-09 01:56:07,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:07,408 INFO L225 Difference]: With dead ends: 62 [2025-03-09 01:56:07,408 INFO L226 Difference]: Without dead ends: 61 [2025-03-09 01:56:07,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 01:56:07,409 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:07,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 72 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-09 01:56:07,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2025-03-09 01:56:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 51 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2025-03-09 01:56:07,416 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 16 [2025-03-09 01:56:07,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:07,416 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2025-03-09 01:56:07,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2025-03-09 01:56:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-09 01:56:07,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:07,416 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:07,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 01:56:07,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:07,617 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:07,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:07,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1598308335, now seen corresponding path program 1 times [2025-03-09 01:56:07,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:07,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251842441] [2025-03-09 01:56:07,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:07,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:07,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 01:56:07,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 01:56:07,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:07,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:07,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251842441] [2025-03-09 01:56:07,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251842441] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16542592] [2025-03-09 01:56:07,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:07,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:07,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:07,655 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) [2025-03-09 01:56:07,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 01:56:07,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 01:56:07,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 01:56:07,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:07,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:07,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 01:56:07,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:07,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:07,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16542592] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:07,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:07,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2025-03-09 01:56:07,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527071638] [2025-03-09 01:56:07,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:07,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 01:56:07,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:07,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 01:56:07,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-03-09 01:56:07,835 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:07,915 INFO L93 Difference]: Finished difference Result 91 states and 112 transitions. [2025-03-09 01:56:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 01:56:07,916 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-03-09 01:56:07,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:07,916 INFO L225 Difference]: With dead ends: 91 [2025-03-09 01:56:07,916 INFO L226 Difference]: Without dead ends: 51 [2025-03-09 01:56:07,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2025-03-09 01:56:07,917 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:07,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 57 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:56:07,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-03-09 01:56:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2025-03-09 01:56:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.255813953488372) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2025-03-09 01:56:07,924 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 16 [2025-03-09 01:56:07,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:07,924 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2025-03-09 01:56:07,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2025-03-09 01:56:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-09 01:56:07,924 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:07,924 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-09 01:56:07,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 01:56:08,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:08,125 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:08,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:08,126 INFO L85 PathProgramCache]: Analyzing trace with hash 774480492, now seen corresponding path program 1 times [2025-03-09 01:56:08,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:08,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676396037] [2025-03-09 01:56:08,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:08,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:08,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 01:56:08,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 01:56:08,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:08,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:08,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:08,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676396037] [2025-03-09 01:56:08,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676396037] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:08,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734598518] [2025-03-09 01:56:08,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:08,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:08,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:08,173 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) [2025-03-09 01:56:08,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 01:56:08,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 01:56:08,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 01:56:08,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:08,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:08,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 01:56:08,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:08,243 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:56:08,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734598518] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:08,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:56:08,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-09 01:56:08,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844518942] [2025-03-09 01:56:08,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:08,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:56:08,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:08,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:56:08,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:56:08,244 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) [2025-03-09 01:56:08,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:08,270 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2025-03-09 01:56:08,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:56:08,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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 [2025-03-09 01:56:08,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:08,271 INFO L225 Difference]: With dead ends: 47 [2025-03-09 01:56:08,271 INFO L226 Difference]: Without dead ends: 46 [2025-03-09 01:56:08,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:56:08,271 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:08,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-09 01:56:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-09 01:56:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 43 states have (on average 1.186046511627907) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2025-03-09 01:56:08,276 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 20 [2025-03-09 01:56:08,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:08,276 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2025-03-09 01:56:08,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) [2025-03-09 01:56:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2025-03-09 01:56:08,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-09 01:56:08,276 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:08,276 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 01:56:08,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:08,477 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,SelfDestructingSolverStorable11 [2025-03-09 01:56:08,477 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:08,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:08,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1760908541, now seen corresponding path program 1 times [2025-03-09 01:56:08,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:08,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134060667] [2025-03-09 01:56:08,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:08,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:08,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 01:56:08,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 01:56:08,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:08,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:08,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:08,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134060667] [2025-03-09 01:56:08,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134060667] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:08,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554537007] [2025-03-09 01:56:08,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:08,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:08,520 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) [2025-03-09 01:56:08,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 01:56:08,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 01:56:08,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 01:56:08,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:08,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:08,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 01:56:08,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:08,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:08,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554537007] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:08,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:08,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-09 01:56:08,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124994849] [2025-03-09 01:56:08,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:08,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 01:56:08,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:08,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 01:56:08,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:56:08,621 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:08,659 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2025-03-09 01:56:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 01:56:08,660 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 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 [2025-03-09 01:56:08,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:08,660 INFO L225 Difference]: With dead ends: 68 [2025-03-09 01:56:08,660 INFO L226 Difference]: Without dead ends: 67 [2025-03-09 01:56:08,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:56:08,661 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:08,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 63 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:08,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-03-09 01:56:08,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2025-03-09 01:56:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2025-03-09 01:56:08,665 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 21 [2025-03-09 01:56:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:08,665 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2025-03-09 01:56:08,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2025-03-09 01:56:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 01:56:08,665 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:08,665 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-09 01:56:08,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:08,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:08,866 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:08,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:08,866 INFO L85 PathProgramCache]: Analyzing trace with hash 204223517, now seen corresponding path program 1 times [2025-03-09 01:56:08,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:08,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694746843] [2025-03-09 01:56:08,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:08,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:08,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 01:56:08,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 01:56:08,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:08,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:08,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:08,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694746843] [2025-03-09 01:56:08,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694746843] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:08,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148232120] [2025-03-09 01:56:08,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:08,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:08,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:08,957 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) [2025-03-09 01:56:08,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 01:56:08,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 01:56:08,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 01:56:08,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:08,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:08,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 01:56:08,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:09,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:09,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148232120] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:09,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:09,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2025-03-09 01:56:09,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967200282] [2025-03-09 01:56:09,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:09,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-09 01:56:09,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:09,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-09 01:56:09,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2025-03-09 01:56:09,182 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 21 states, 20 states have (on average 3.95) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:09,338 INFO L93 Difference]: Finished difference Result 142 states and 169 transitions. [2025-03-09 01:56:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 01:56:09,339 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 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 [2025-03-09 01:56:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:09,339 INFO L225 Difference]: With dead ends: 142 [2025-03-09 01:56:09,339 INFO L226 Difference]: Without dead ends: 141 [2025-03-09 01:56:09,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2025-03-09 01:56:09,341 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 36 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:09,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 107 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:56:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-03-09 01:56:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2025-03-09 01:56:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.203125) internal successors, (154), 130 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2025-03-09 01:56:09,350 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 27 [2025-03-09 01:56:09,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:09,350 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2025-03-09 01:56:09,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2025-03-09 01:56:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-09 01:56:09,351 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:09,351 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-03-09 01:56:09,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 01:56:09,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:09,553 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:09,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1916728289, now seen corresponding path program 2 times [2025-03-09 01:56:09,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:09,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446381363] [2025-03-09 01:56:09,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:56:09,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:09,559 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-03-09 01:56:09,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 01:56:09,565 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:56:09,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:09,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:09,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446381363] [2025-03-09 01:56:09,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446381363] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:09,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137553009] [2025-03-09 01:56:09,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:56:09,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:09,625 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) [2025-03-09 01:56:09,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 01:56:09,649 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-03-09 01:56:09,659 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 01:56:09,659 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:56:09,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:09,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 01:56:09,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:09,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:09,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137553009] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:09,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:09,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-03-09 01:56:09,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884500098] [2025-03-09 01:56:09,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:09,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 01:56:09,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:09,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 01:56:09,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-09 01:56:09,787 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:09,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:09,827 INFO L93 Difference]: Finished difference Result 262 states and 312 transitions. [2025-03-09 01:56:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 01:56:09,828 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 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 43 [2025-03-09 01:56:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:09,829 INFO L225 Difference]: With dead ends: 262 [2025-03-09 01:56:09,831 INFO L226 Difference]: Without dead ends: 261 [2025-03-09 01:56:09,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-09 01:56:09,832 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 53 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:09,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 120 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-03-09 01:56:09,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 247. [2025-03-09 01:56:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 244 states have (on average 1.2131147540983607) internal successors, (296), 246 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 296 transitions. [2025-03-09 01:56:09,852 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 296 transitions. Word has length 43 [2025-03-09 01:56:09,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:09,852 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 296 transitions. [2025-03-09 01:56:09,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 296 transitions. [2025-03-09 01:56:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-09 01:56:09,855 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:09,855 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1] [2025-03-09 01:56:09,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-09 01:56:10,059 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,SelfDestructingSolverStorable14 [2025-03-09 01:56:10,059 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:10,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1217605268, now seen corresponding path program 1 times [2025-03-09 01:56:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:10,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27854441] [2025-03-09 01:56:10,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:10,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-09 01:56:10,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-09 01:56:10,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:10,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:10,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27854441] [2025-03-09 01:56:10,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27854441] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672438603] [2025-03-09 01:56:10,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:56:10,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:10,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:10,191 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) [2025-03-09 01:56:10,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 01:56:10,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-09 01:56:10,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-09 01:56:10,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:56:10,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:10,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 01:56:10,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 01:56:10,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 01:56:10,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672438603] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:10,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:10,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 34 [2025-03-09 01:56:10,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279464482] [2025-03-09 01:56:10,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:10,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-09 01:56:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:10,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-09 01:56:10,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 01:56:10,579 INFO L87 Difference]: Start difference. First operand 247 states and 296 transitions. Second operand has 34 states, 34 states have (on average 3.3529411764705883) internal successors, (114), 34 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:10,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:10,732 INFO L93 Difference]: Finished difference Result 345 states and 416 transitions. [2025-03-09 01:56:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 01:56:10,733 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.3529411764705883) internal successors, (114), 34 states have internal predecessors, (114), 0 states have call successors, (0), 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 44 [2025-03-09 01:56:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:10,734 INFO L225 Difference]: With dead ends: 345 [2025-03-09 01:56:10,734 INFO L226 Difference]: Without dead ends: 170 [2025-03-09 01:56:10,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2025-03-09 01:56:10,736 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:10,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 101 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:56:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-03-09 01:56:10,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2025-03-09 01:56:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 159 states have (on average 1.1886792452830188) internal successors, (189), 161 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 189 transitions. [2025-03-09 01:56:10,743 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 189 transitions. Word has length 44 [2025-03-09 01:56:10,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:10,743 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 189 transitions. [2025-03-09 01:56:10,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.3529411764705883) internal successors, (114), 34 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 189 transitions. [2025-03-09 01:56:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-09 01:56:10,744 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:10,744 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2025-03-09 01:56:10,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:10,948 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,SelfDestructingSolverStorable15 [2025-03-09 01:56:10,948 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:10,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash -499509792, now seen corresponding path program 2 times [2025-03-09 01:56:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:10,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660996273] [2025-03-09 01:56:10,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:56:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:10,953 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-03-09 01:56:10,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 55 statements. [2025-03-09 01:56:10,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 01:56:10,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-09 01:56:10,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:10,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660996273] [2025-03-09 01:56:10,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660996273] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:10,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991091923] [2025-03-09 01:56:10,999 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:56:10,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:10,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:11,001 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) [2025-03-09 01:56:11,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 01:56:11,026 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-03-09 01:56:11,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 55 statements. [2025-03-09 01:56:11,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 01:56:11,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:11,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 01:56:11,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-09 01:56:11,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-09 01:56:11,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991091923] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:11,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:11,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2025-03-09 01:56:11,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775960419] [2025-03-09 01:56:11,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:11,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:56:11,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:11,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:56:11,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:56:11,201 INFO L87 Difference]: Start difference. First operand 162 states and 189 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2025-03-09 01:56:11,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:11,226 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2025-03-09 01:56:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:56:11,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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 55 [2025-03-09 01:56:11,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:11,227 INFO L225 Difference]: With dead ends: 162 [2025-03-09 01:56:11,227 INFO L226 Difference]: Without dead ends: 161 [2025-03-09 01:56:11,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 6 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:56:11,227 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:11,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:56:11,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-09 01:56:11,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-09 01:56:11,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 159 states have (on average 1.119496855345912) internal successors, (178), 160 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 178 transitions. [2025-03-09 01:56:11,233 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 178 transitions. Word has length 55 [2025-03-09 01:56:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:11,233 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 178 transitions. [2025-03-09 01:56:11,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2025-03-09 01:56:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 178 transitions. [2025-03-09 01:56:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-09 01:56:11,234 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:11,234 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 1, 1, 1, 1] [2025-03-09 01:56:11,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:11,434 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,SelfDestructingSolverStorable16 [2025-03-09 01:56:11,435 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:11,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:11,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1099742659, now seen corresponding path program 2 times [2025-03-09 01:56:11,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:11,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721968175] [2025-03-09 01:56:11,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:56:11,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:11,439 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-03-09 01:56:11,451 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 01:56:11,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:56:11,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:11,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721968175] [2025-03-09 01:56:11,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721968175] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:11,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688216620] [2025-03-09 01:56:11,680 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:56:11,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:11,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:11,681 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) [2025-03-09 01:56:11,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 01:56:11,707 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-03-09 01:56:11,724 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 01:56:11,725 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:56:11,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:11,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 01:56:11,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:11,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:12,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688216620] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:12,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:12,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 37 [2025-03-09 01:56:12,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629825738] [2025-03-09 01:56:12,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:12,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-03-09 01:56:12,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:12,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-03-09 01:56:12,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=1027, Unknown=0, NotChecked=0, Total=1406 [2025-03-09 01:56:12,156 INFO L87 Difference]: Start difference. First operand 161 states and 178 transitions. Second operand has 38 states, 37 states have (on average 3.918918918918919) internal successors, (145), 38 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:12,273 INFO L93 Difference]: Finished difference Result 687 states and 819 transitions. [2025-03-09 01:56:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-09 01:56:12,273 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 3.918918918918919) internal successors, (145), 38 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2025-03-09 01:56:12,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:12,275 INFO L225 Difference]: With dead ends: 687 [2025-03-09 01:56:12,275 INFO L226 Difference]: Without dead ends: 686 [2025-03-09 01:56:12,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1027, Unknown=0, NotChecked=0, Total=1406 [2025-03-09 01:56:12,277 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 65 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:12,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 151 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:56:12,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2025-03-09 01:56:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 678. [2025-03-09 01:56:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 676 states have (on average 1.1242603550295858) internal successors, (760), 677 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 760 transitions. [2025-03-09 01:56:12,298 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 760 transitions. Word has length 73 [2025-03-09 01:56:12,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:12,298 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 760 transitions. [2025-03-09 01:56:12,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 3.918918918918919) internal successors, (145), 38 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 760 transitions. [2025-03-09 01:56:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 01:56:12,300 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:12,300 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2025-03-09 01:56:12,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:12,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-09 01:56:12,500 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:12,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:12,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1521063295, now seen corresponding path program 3 times [2025-03-09 01:56:12,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:12,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744082266] [2025-03-09 01:56:12,501 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:56:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:12,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 11 equivalence classes. [2025-03-09 01:56:12,536 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 01:56:12,537 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 01:56:12,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:12,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:12,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744082266] [2025-03-09 01:56:12,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744082266] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:12,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805329144] [2025-03-09 01:56:12,718 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:56:12,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:12,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:12,720 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) [2025-03-09 01:56:12,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 01:56:12,745 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 11 equivalence classes. [2025-03-09 01:56:12,765 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 01:56:12,765 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 01:56:12,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:12,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-03-09 01:56:12,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:13,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:56:13,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805329144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:56:13,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:56:13,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [12] total 45 [2025-03-09 01:56:13,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054419301] [2025-03-09 01:56:13,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:56:13,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-09 01:56:13,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:13,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-09 01:56:13,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=1672, Unknown=0, NotChecked=0, Total=1980 [2025-03-09 01:56:13,463 INFO L87 Difference]: Start difference. First operand 678 states and 760 transitions. Second operand has 34 states, 34 states have (on average 2.8529411764705883) internal successors, (97), 34 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:13,688 INFO L93 Difference]: Finished difference Result 679 states and 760 transitions. [2025-03-09 01:56:13,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-09 01:56:13,689 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.8529411764705883) internal successors, (97), 34 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2025-03-09 01:56:13,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:13,690 INFO L225 Difference]: With dead ends: 679 [2025-03-09 01:56:13,690 INFO L226 Difference]: Without dead ends: 144 [2025-03-09 01:56:13,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=308, Invalid=1672, Unknown=0, NotChecked=0, Total=1980 [2025-03-09 01:56:13,691 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:13,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 80 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 01:56:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-03-09 01:56:13,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2025-03-09 01:56:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.006993006993007) internal successors, (144), 143 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2025-03-09 01:56:13,698 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 97 [2025-03-09 01:56:13,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:13,698 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2025-03-09 01:56:13,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.8529411764705883) internal successors, (97), 34 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2025-03-09 01:56:13,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-09 01:56:13,700 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:13,700 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 14, 5, 5, 5, 1, 1, 1, 1] [2025-03-09 01:56:13,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-09 01:56:13,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:13,901 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:13,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:13,902 INFO L85 PathProgramCache]: Analyzing trace with hash -476169795, now seen corresponding path program 3 times [2025-03-09 01:56:13,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:13,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120604373] [2025-03-09 01:56:13,902 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:56:13,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:13,912 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 143 statements into 15 equivalence classes. [2025-03-09 01:56:13,953 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 143 of 143 statements. [2025-03-09 01:56:13,953 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-09 01:56:13,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 0 proven. 1163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:14,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:14,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120604373] [2025-03-09 01:56:14,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120604373] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:14,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100659305] [2025-03-09 01:56:14,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:56:14,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:14,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:14,756 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) [2025-03-09 01:56:14,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 01:56:14,784 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 143 statements into 15 equivalence classes. [2025-03-09 01:56:14,815 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 143 of 143 statements. [2025-03-09 01:56:14,815 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-09 01:56:14,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:14,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-03-09 01:56:14,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 62 proven. 1101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:15,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 62 proven. 1101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:16,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100659305] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:16,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:16,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 40] total 87 [2025-03-09 01:56:16,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133707514] [2025-03-09 01:56:16,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:16,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-03-09 01:56:16,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:16,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-03-09 01:56:16,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1368, Invalid=6288, Unknown=0, NotChecked=0, Total=7656 [2025-03-09 01:56:16,245 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand has 88 states, 87 states have (on average 3.7241379310344827) internal successors, (324), 88 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:18,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:18,456 INFO L93 Difference]: Finished difference Result 257 states and 272 transitions. [2025-03-09 01:56:18,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2025-03-09 01:56:18,457 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 87 states have (on average 3.7241379310344827) internal successors, (324), 88 states have internal predecessors, (324), 0 states have call successors, (0), 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 143 [2025-03-09 01:56:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:18,458 INFO L225 Difference]: With dead ends: 257 [2025-03-09 01:56:18,459 INFO L226 Difference]: Without dead ends: 256 [2025-03-09 01:56:18,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9880 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5544, Invalid=29988, Unknown=0, NotChecked=0, Total=35532 [2025-03-09 01:56:18,466 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 133 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:18,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 130 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 01:56:18,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-03-09 01:56:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2025-03-09 01:56:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.003921568627451) internal successors, (256), 255 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 256 transitions. [2025-03-09 01:56:18,481 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 256 transitions. Word has length 143 [2025-03-09 01:56:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:18,481 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 256 transitions. [2025-03-09 01:56:18,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 3.7241379310344827) internal successors, (324), 88 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 256 transitions. [2025-03-09 01:56:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-03-09 01:56:18,484 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:18,484 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 30, 5, 5, 5, 1, 1, 1, 1] [2025-03-09 01:56:18,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 01:56:18,685 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,SelfDestructingSolverStorable19 [2025-03-09 01:56:18,685 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:18,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:18,686 INFO L85 PathProgramCache]: Analyzing trace with hash 966739389, now seen corresponding path program 4 times [2025-03-09 01:56:18,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:18,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108349759] [2025-03-09 01:56:18,686 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:56:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:18,692 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 255 statements into 2 equivalence classes. [2025-03-09 01:56:18,733 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-03-09 01:56:18,734 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:56:18,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 4083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:20,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108349759] [2025-03-09 01:56:20,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108349759] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86058931] [2025-03-09 01:56:20,886 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:56:20,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:20,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:20,888 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) [2025-03-09 01:56:20,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 01:56:20,920 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 255 statements into 2 equivalence classes. [2025-03-09 01:56:20,960 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-03-09 01:56:20,960 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:56:20,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:20,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-03-09 01:56:20,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 4083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:21,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 4083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:24,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86058931] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:24,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:24,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 141 [2025-03-09 01:56:24,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964912595] [2025-03-09 01:56:24,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:24,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2025-03-09 01:56:24,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:24,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2025-03-09 01:56:24,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5111, Invalid=14911, Unknown=0, NotChecked=0, Total=20022 [2025-03-09 01:56:24,099 INFO L87 Difference]: Start difference. First operand 256 states and 256 transitions. Second operand has 142 states, 141 states have (on average 3.6099290780141846) internal successors, (509), 142 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:24,435 INFO L93 Difference]: Finished difference Result 509 states and 544 transitions. [2025-03-09 01:56:24,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-03-09 01:56:24,436 INFO L78 Accepts]: Start accepts. Automaton has has 142 states, 141 states have (on average 3.6099290780141846) internal successors, (509), 142 states have internal predecessors, (509), 0 states have call successors, (0), 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 255 [2025-03-09 01:56:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:24,438 INFO L225 Difference]: With dead ends: 509 [2025-03-09 01:56:24,438 INFO L226 Difference]: Without dead ends: 508 [2025-03-09 01:56:24,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5917 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=5111, Invalid=14911, Unknown=0, NotChecked=0, Total=20022 [2025-03-09 01:56:24,439 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:24,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 291 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 01:56:24,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2025-03-09 01:56:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2025-03-09 01:56:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 507 states have (on average 1.0019723865877712) internal successors, (508), 507 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 508 transitions. [2025-03-09 01:56:24,452 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 508 transitions. Word has length 255 [2025-03-09 01:56:24,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:24,453 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 508 transitions. [2025-03-09 01:56:24,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 141 states have (on average 3.6099290780141846) internal successors, (509), 142 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 508 transitions. [2025-03-09 01:56:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2025-03-09 01:56:24,457 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:24,457 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 66, 5, 5, 5, 1, 1, 1, 1] [2025-03-09 01:56:24,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-09 01:56:24,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:24,658 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:24,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:24,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1006149443, now seen corresponding path program 5 times [2025-03-09 01:56:24,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:24,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622361062] [2025-03-09 01:56:24,659 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 01:56:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:24,676 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 507 statements into 67 equivalence classes. [2025-03-09 01:56:24,907 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) and asserted 507 of 507 statements. [2025-03-09 01:56:24,908 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) [2025-03-09 01:56:24,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:32,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:56:32,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622361062] [2025-03-09 01:56:32,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622361062] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:56:32,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061765426] [2025-03-09 01:56:32,680 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 01:56:32,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:32,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:56:32,682 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) [2025-03-09 01:56:32,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 01:56:32,725 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 507 statements into 67 equivalence classes. [2025-03-09 01:56:32,860 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) and asserted 507 of 507 statements. [2025-03-09 01:56:32,860 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) [2025-03-09 01:56:32,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:56:32,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 143 conjuncts are in the unsatisfiable core [2025-03-09 01:56:32,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:56:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:33,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:56:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:56:44,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061765426] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:56:44,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:56:44,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [143, 143, 143] total 285 [2025-03-09 01:56:44,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550223140] [2025-03-09 01:56:44,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:56:44,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 286 states [2025-03-09 01:56:44,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:56:44,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 286 interpolants. [2025-03-09 01:56:44,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20591, Invalid=60919, Unknown=0, NotChecked=0, Total=81510 [2025-03-09 01:56:44,728 INFO L87 Difference]: Start difference. First operand 508 states and 508 transitions. Second operand has 286 states, 285 states have (on average 3.5543859649122806) internal successors, (1013), 286 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:56:46,204 INFO L93 Difference]: Finished difference Result 1013 states and 1084 transitions. [2025-03-09 01:56:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2025-03-09 01:56:46,205 INFO L78 Accepts]: Start accepts. Automaton has has 286 states, 285 states have (on average 3.5543859649122806) internal successors, (1013), 286 states have internal predecessors, (1013), 0 states have call successors, (0), 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 507 [2025-03-09 01:56:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:56:46,213 INFO L225 Difference]: With dead ends: 1013 [2025-03-09 01:56:46,214 INFO L226 Difference]: Without dead ends: 1012 [2025-03-09 01:56:46,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1155 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24781 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=20591, Invalid=60919, Unknown=0, NotChecked=0, Total=81510 [2025-03-09 01:56:46,221 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 01:56:46,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 479 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 01:56:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2025-03-09 01:56:46,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2025-03-09 01:56:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1011 states have (on average 1.0009891196834817) internal successors, (1012), 1011 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1012 transitions. [2025-03-09 01:56:46,259 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1012 transitions. Word has length 507 [2025-03-09 01:56:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:56:46,260 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1012 transitions. [2025-03-09 01:56:46,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 286 states, 285 states have (on average 3.5543859649122806) internal successors, (1013), 286 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:56:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1012 transitions. [2025-03-09 01:56:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1012 [2025-03-09 01:56:46,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:56:46,286 INFO L218 NwaCegarLoop]: trace histogram [143, 143, 142, 142, 142, 142, 138, 5, 5, 5, 1, 1, 1, 1] [2025-03-09 01:56:46,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 01:56:46,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:56:46,487 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:56:46,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:56:46,487 INFO L85 PathProgramCache]: Analyzing trace with hash -28830019, now seen corresponding path program 6 times [2025-03-09 01:56:46,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:56:46,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722430905] [2025-03-09 01:56:46,488 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 01:56:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:56:46,508 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1011 statements into 139 equivalence classes. [2025-03-09 01:56:47,876 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) and asserted 1011 of 1011 statements. [2025-03-09 01:56:47,876 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) [2025-03-09 01:56:47,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:57:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 70665 backedges. 0 proven. 70665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:57:24,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:57:24,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722430905] [2025-03-09 01:57:24,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722430905] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:57:24,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489206066] [2025-03-09 01:57:24,182 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 01:57:24,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:57:24,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:57:24,186 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) [2025-03-09 01:57:24,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 01:57:24,305 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1011 statements into 139 equivalence classes. [2025-03-09 01:57:24,903 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) and asserted 1011 of 1011 statements. [2025-03-09 01:57:24,904 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) [2025-03-09 01:57:24,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:57:24,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 287 conjuncts are in the unsatisfiable core [2025-03-09 01:57:24,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:57:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 70665 backedges. 0 proven. 70665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:57:25,828 INFO L312 TraceCheckSpWp]: Computing backward predicates...