./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-006.c --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/xcsp/AllInterval-006.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5db620ad631bbb2b4f2f184a6694f3d470d0214c96a5cb4b6c65ad330c77841f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:48:17,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:48:18,039 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:48:18,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:48:18,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:48:18,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:48:18,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:48:18,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:48:18,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:48:18,069 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:48:18,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:48:18,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:48:18,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:48:18,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:48:18,070 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:48:18,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:48:18,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:48:18,070 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:48:18,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:48:18,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:48:18,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:48:18,071 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:48:18,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:48:18,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:48:18,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:48:18,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:48:18,072 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:48:18,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:48:18,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:48:18,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:48:18,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:48:18,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:48:18,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:48:18,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:48:18,073 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 -> 5db620ad631bbb2b4f2f184a6694f3d470d0214c96a5cb4b6c65ad330c77841f [2025-03-09 02:48:18,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:48:18,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:48:18,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:48:18,319 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:48:18,319 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:48:18,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-006.c [2025-03-09 02:48:19,476 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9c688a1/767b5dc469564072ba195a356ef68aac/FLAG6230b7867 [2025-03-09 02:48:19,742 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:48:19,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c [2025-03-09 02:48:19,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9c688a1/767b5dc469564072ba195a356ef68aac/FLAG6230b7867 [2025-03-09 02:48:19,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9c688a1/767b5dc469564072ba195a356ef68aac [2025-03-09 02:48:19,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:48:19,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:48:19,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:48:19,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:48:19,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:48:19,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:19,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb9f40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19, skipping insertion in model container [2025-03-09 02:48:19,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:19,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:48:19,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:48:19,916 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:48:19,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:48:19,947 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:48:19,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19 WrapperNode [2025-03-09 02:48:19,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:48:19,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:48:19,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:48:19,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:48:19,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:19,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:19,984 INFO L138 Inliner]: procedures = 13, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 175 [2025-03-09 02:48:19,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:48:19,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:48:19,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:48:19,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:48:19,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:19,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:19,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,003 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 02:48:20,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:48:20,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:48:20,013 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:48:20,013 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:48:20,014 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (1/1) ... [2025-03-09 02:48:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:48:20,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:20,041 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 02:48:20,043 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 02:48:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:48:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:48:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:48:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:48:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-03-09 02:48:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-03-09 02:48:20,106 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:48:20,107 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:48:20,314 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-03-09 02:48:20,315 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:48:20,327 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:48:20,330 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:48:20,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:48:20 BoogieIcfgContainer [2025-03-09 02:48:20,330 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:48:20,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:48:20,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:48:20,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:48:20,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:48:19" (1/3) ... [2025-03-09 02:48:20,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444e2583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:48:20, skipping insertion in model container [2025-03-09 02:48:20,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:48:19" (2/3) ... [2025-03-09 02:48:20,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444e2583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:48:20, skipping insertion in model container [2025-03-09 02:48:20,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:48:20" (3/3) ... [2025-03-09 02:48:20,340 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-006.c [2025-03-09 02:48:20,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:48:20,353 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-006.c that has 2 procedures, 125 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2025-03-09 02:48:20,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:48:20,399 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;@492d2fec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:48:20,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-09 02:48:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 71 states have internal predecessors, (77), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-03-09 02:48:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-03-09 02:48:20,417 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:20,418 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:20,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:20,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:20,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1480420744, now seen corresponding path program 1 times [2025-03-09 02:48:20,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:20,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679634516] [2025-03-09 02:48:20,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:20,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:20,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-09 02:48:20,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-09 02:48:20,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:20,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2025-03-09 02:48:20,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:20,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679634516] [2025-03-09 02:48:20,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679634516] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:20,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299257649] [2025-03-09 02:48:20,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:20,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:20,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:20,716 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 02:48:20,721 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 02:48:20,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-09 02:48:20,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-09 02:48:20,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:20,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:20,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:48:20,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2025-03-09 02:48:20,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:48:20,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299257649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:48:20,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:48:20,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:48:20,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415265751] [2025-03-09 02:48:20,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:48:20,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:48:20,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:20,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:48:20,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:48:20,970 INFO L87 Difference]: Start difference. First operand has 125 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 71 states have internal predecessors, (77), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2025-03-09 02:48:20,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:20,995 INFO L93 Difference]: Finished difference Result 243 states and 407 transitions. [2025-03-09 02:48:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:48:20,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) Word has length 250 [2025-03-09 02:48:20,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:21,003 INFO L225 Difference]: With dead ends: 243 [2025-03-09 02:48:21,004 INFO L226 Difference]: Without dead ends: 118 [2025-03-09 02:48:21,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:48:21,009 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:21,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:48:21,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-03-09 02:48:21,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2025-03-09 02:48:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 46 states have (on average 1.5) internal successors, (69), 65 states have internal predecessors, (69), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2025-03-09 02:48:21,050 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 250 [2025-03-09 02:48:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:21,051 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2025-03-09 02:48:21,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2025-03-09 02:48:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2025-03-09 02:48:21,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-03-09 02:48:21,056 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:21,056 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:21,063 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 02:48:21,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-09 02:48:21,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:21,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1068341479, now seen corresponding path program 1 times [2025-03-09 02:48:21,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:21,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781547827] [2025-03-09 02:48:21,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:21,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:21,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-09 02:48:21,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-09 02:48:21,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:21,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:21,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781547827] [2025-03-09 02:48:21,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781547827] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428942741] [2025-03-09 02:48:21,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:21,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:21,756 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 02:48:21,757 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 02:48:21,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-09 02:48:21,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-09 02:48:21,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:21,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:21,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:21,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:22,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:22,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428942741] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:22,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:22,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 02:48:22,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442187879] [2025-03-09 02:48:22,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:22,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:48:22,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:22,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:48:22,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:22,572 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) [2025-03-09 02:48:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:22,854 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2025-03-09 02:48:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:48:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) Word has length 250 [2025-03-09 02:48:22,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:22,857 INFO L225 Difference]: With dead ends: 118 [2025-03-09 02:48:22,857 INFO L226 Difference]: Without dead ends: 117 [2025-03-09 02:48:22,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:22,858 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 3 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:22,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 542 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:22,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-09 02:48:22,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-03-09 02:48:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 64 states have internal predecessors, (68), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2025-03-09 02:48:22,887 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 250 [2025-03-09 02:48:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:22,888 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2025-03-09 02:48:22,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) [2025-03-09 02:48:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2025-03-09 02:48:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-03-09 02:48:22,891 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:22,891 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:22,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:48:23,095 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,SelfDestructingSolverStorable1 [2025-03-09 02:48:23,095 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:23,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:23,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1241152549, now seen corresponding path program 1 times [2025-03-09 02:48:23,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224192245] [2025-03-09 02:48:23,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:23,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:23,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-03-09 02:48:23,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-03-09 02:48:23,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:23,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:23,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224192245] [2025-03-09 02:48:23,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224192245] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:23,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892958426] [2025-03-09 02:48:23,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:23,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:23,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:23,356 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 02:48:23,357 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 02:48:23,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-03-09 02:48:23,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-03-09 02:48:23,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:23,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:23,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:23,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:23,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:23,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892958426] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:23,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:23,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2025-03-09 02:48:23,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223125826] [2025-03-09 02:48:23,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:23,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:48:23,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:23,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:48:23,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:23,963 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2025-03-09 02:48:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:24,211 INFO L93 Difference]: Finished difference Result 117 states and 170 transitions. [2025-03-09 02:48:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:48:24,212 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) Word has length 251 [2025-03-09 02:48:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:24,214 INFO L225 Difference]: With dead ends: 117 [2025-03-09 02:48:24,214 INFO L226 Difference]: Without dead ends: 116 [2025-03-09 02:48:24,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 497 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:24,215 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:24,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:24,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-03-09 02:48:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2025-03-09 02:48:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 63 states have internal predecessors, (67), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2025-03-09 02:48:24,240 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 251 [2025-03-09 02:48:24,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:24,241 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2025-03-09 02:48:24,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2025-03-09 02:48:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2025-03-09 02:48:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-03-09 02:48:24,245 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:24,245 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:24,254 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 02:48:24,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:24,449 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:24,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1253307773, now seen corresponding path program 1 times [2025-03-09 02:48:24,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:24,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779041391] [2025-03-09 02:48:24,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:24,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-03-09 02:48:24,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-03-09 02:48:24,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:24,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2025-03-09 02:48:24,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:24,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779041391] [2025-03-09 02:48:24,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779041391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:48:24,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:48:24,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:48:24,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30819077] [2025-03-09 02:48:24,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:48:24,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:48:24,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:24,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:48:24,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:48:24,558 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2025-03-09 02:48:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:24,601 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2025-03-09 02:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:48:24,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 253 [2025-03-09 02:48:24,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:24,603 INFO L225 Difference]: With dead ends: 116 [2025-03-09 02:48:24,603 INFO L226 Difference]: Without dead ends: 111 [2025-03-09 02:48:24,603 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 02:48:24,604 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 5 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:24,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 280 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:48:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-03-09 02:48:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2025-03-09 02:48:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 58 states have internal predecessors, (62), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 164 transitions. [2025-03-09 02:48:24,625 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 164 transitions. Word has length 253 [2025-03-09 02:48:24,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:24,626 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 164 transitions. [2025-03-09 02:48:24,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2025-03-09 02:48:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2025-03-09 02:48:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-03-09 02:48:24,629 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:24,629 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:24,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:48:24,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:24,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:24,630 INFO L85 PathProgramCache]: Analyzing trace with hash -197835274, now seen corresponding path program 1 times [2025-03-09 02:48:24,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:24,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110161549] [2025-03-09 02:48:24,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:24,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:24,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-03-09 02:48:24,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-03-09 02:48:24,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:24,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:24,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:24,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110161549] [2025-03-09 02:48:24,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110161549] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:24,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670511782] [2025-03-09 02:48:24,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:24,846 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 02:48:24,847 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 02:48:24,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-03-09 02:48:24,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-03-09 02:48:24,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:24,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:24,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:48:24,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:25,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-03-09 02:48:25,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670511782] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:25,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:25,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-09 02:48:25,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174842788] [2025-03-09 02:48:25,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:25,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:48:25,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:25,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:48:25,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:48:25,408 INFO L87 Difference]: Start difference. First operand 111 states and 164 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 3 states have call predecessors, (92), 4 states have call successors, (92) [2025-03-09 02:48:25,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:25,622 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2025-03-09 02:48:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:48:25,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 3 states have call predecessors, (92), 4 states have call successors, (92) Word has length 254 [2025-03-09 02:48:25,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:25,625 INFO L225 Difference]: With dead ends: 111 [2025-03-09 02:48:25,625 INFO L226 Difference]: Without dead ends: 110 [2025-03-09 02:48:25,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 503 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:48:25,627 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:25,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 415 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:25,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-03-09 02:48:25,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2025-03-09 02:48:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 46 states have (on average 1.326086956521739) internal successors, (61), 57 states have internal predecessors, (61), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2025-03-09 02:48:25,642 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 254 [2025-03-09 02:48:25,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:25,642 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2025-03-09 02:48:25,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 3 states have call predecessors, (92), 4 states have call successors, (92) [2025-03-09 02:48:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2025-03-09 02:48:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-03-09 02:48:25,645 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:25,645 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:25,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 02:48:25,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:25,851 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:25,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2135689795, now seen corresponding path program 1 times [2025-03-09 02:48:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:25,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811517053] [2025-03-09 02:48:25,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:25,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:25,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-03-09 02:48:25,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-03-09 02:48:25,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:25,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:26,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:26,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811517053] [2025-03-09 02:48:26,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811517053] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:26,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59738206] [2025-03-09 02:48:26,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:26,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:26,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:26,031 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 02:48:26,033 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 02:48:26,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-03-09 02:48:26,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-03-09 02:48:26,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:26,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:26,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:26,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:26,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:26,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:26,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59738206] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:26,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:26,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 02:48:26,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546482911] [2025-03-09 02:48:26,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:26,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:48:26,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:26,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:48:26,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:26,508 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 states have internal predecessors, (59), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) [2025-03-09 02:48:26,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:26,701 INFO L93 Difference]: Finished difference Result 110 states and 163 transitions. [2025-03-09 02:48:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:48:26,701 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 states have internal predecessors, (59), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) Word has length 259 [2025-03-09 02:48:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:26,703 INFO L225 Difference]: With dead ends: 110 [2025-03-09 02:48:26,703 INFO L226 Difference]: Without dead ends: 109 [2025-03-09 02:48:26,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:26,704 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 8 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:26,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 550 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-03-09 02:48:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2025-03-09 02:48:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 56 states have internal predecessors, (60), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 162 transitions. [2025-03-09 02:48:26,714 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 162 transitions. Word has length 259 [2025-03-09 02:48:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:26,716 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 162 transitions. [2025-03-09 02:48:26,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 states have internal predecessors, (59), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) [2025-03-09 02:48:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2025-03-09 02:48:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2025-03-09 02:48:26,718 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:26,718 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:26,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 02:48:26,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:26,919 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:26,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:26,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1781874223, now seen corresponding path program 1 times [2025-03-09 02:48:26,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:26,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683921888] [2025-03-09 02:48:26,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:26,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-03-09 02:48:26,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-03-09 02:48:26,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:26,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:27,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:27,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683921888] [2025-03-09 02:48:27,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683921888] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:27,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12867932] [2025-03-09 02:48:27,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:27,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:27,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:27,097 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 02:48:27,098 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 02:48:27,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-03-09 02:48:27,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-03-09 02:48:27,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:27,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:27,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:27,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:27,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:27,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12867932] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:27,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:27,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2025-03-09 02:48:27,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553483889] [2025-03-09 02:48:27,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:27,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:48:27,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:27,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:48:27,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:48:27,552 INFO L87 Difference]: Start difference. First operand 109 states and 162 transitions. Second operand has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 13 states have internal predecessors, (63), 8 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 7 states have call predecessors, (140), 8 states have call successors, (140) [2025-03-09 02:48:27,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:27,880 INFO L93 Difference]: Finished difference Result 109 states and 162 transitions. [2025-03-09 02:48:27,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:48:27,881 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 13 states have internal predecessors, (63), 8 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 7 states have call predecessors, (140), 8 states have call successors, (140) Word has length 260 [2025-03-09 02:48:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:27,883 INFO L225 Difference]: With dead ends: 109 [2025-03-09 02:48:27,883 INFO L226 Difference]: Without dead ends: 108 [2025-03-09 02:48:27,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:48:27,884 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 20 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:27,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 742 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:48:27,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-09 02:48:27,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-03-09 02:48:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 55 states have internal predecessors, (59), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2025-03-09 02:48:27,891 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 260 [2025-03-09 02:48:27,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:27,894 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2025-03-09 02:48:27,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 13 states have internal predecessors, (63), 8 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 7 states have call predecessors, (140), 8 states have call successors, (140) [2025-03-09 02:48:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2025-03-09 02:48:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2025-03-09 02:48:27,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:27,896 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:27,902 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 02:48:28,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:28,096 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:28,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1980784352, now seen corresponding path program 1 times [2025-03-09 02:48:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:28,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148203988] [2025-03-09 02:48:28,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:28,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 263 statements into 1 equivalence classes. [2025-03-09 02:48:28,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 263 of 263 statements. [2025-03-09 02:48:28,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:28,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 18 proven. 258 refuted. 0 times theorem prover too weak. 4236 trivial. 0 not checked. [2025-03-09 02:48:28,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:28,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148203988] [2025-03-09 02:48:28,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148203988] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:28,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333069984] [2025-03-09 02:48:28,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:28,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:28,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:28,283 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 02:48:28,284 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 02:48:28,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 263 statements into 1 equivalence classes. [2025-03-09 02:48:28,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 263 of 263 statements. [2025-03-09 02:48:28,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:28,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:28,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:48:28,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:28,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-03-09 02:48:28,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333069984] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:28,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:28,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-03-09 02:48:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099105259] [2025-03-09 02:48:28,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:28,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:48:28,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:28,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:48:28,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:48:28,733 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (136), 5 states have call predecessors, (136), 5 states have call successors, (136) [2025-03-09 02:48:28,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:28,933 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2025-03-09 02:48:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:48:28,933 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (136), 5 states have call predecessors, (136), 5 states have call successors, (136) Word has length 263 [2025-03-09 02:48:28,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:28,935 INFO L225 Difference]: With dead ends: 108 [2025-03-09 02:48:28,935 INFO L226 Difference]: Without dead ends: 107 [2025-03-09 02:48:28,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 522 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:48:28,935 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 9 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:28,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 382 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:28,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-03-09 02:48:28,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-03-09 02:48:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 54 states have internal predecessors, (58), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 160 transitions. [2025-03-09 02:48:28,944 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 160 transitions. Word has length 263 [2025-03-09 02:48:28,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:28,945 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 160 transitions. [2025-03-09 02:48:28,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (136), 5 states have call predecessors, (136), 5 states have call successors, (136) [2025-03-09 02:48:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2025-03-09 02:48:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2025-03-09 02:48:28,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:28,946 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:28,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:48:29,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:29,147 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:29,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash 261001029, now seen corresponding path program 1 times [2025-03-09 02:48:29,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:29,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937083963] [2025-03-09 02:48:29,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:29,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-03-09 02:48:29,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-03-09 02:48:29,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:29,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-03-09 02:48:29,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:29,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937083963] [2025-03-09 02:48:29,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937083963] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:29,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145528778] [2025-03-09 02:48:29,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:29,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:29,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:29,304 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 02:48:29,306 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 02:48:29,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-03-09 02:48:29,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-03-09 02:48:29,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:29,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:29,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 02:48:29,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-03-09 02:48:29,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-03-09 02:48:29,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145528778] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:29,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:29,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-09 02:48:29,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770292541] [2025-03-09 02:48:29,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:29,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:48:29,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:29,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:48:29,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:48:29,994 INFO L87 Difference]: Start difference. First operand 107 states and 160 transitions. Second operand has 20 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 17 states have internal predecessors, (71), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-03-09 02:48:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:30,465 INFO L93 Difference]: Finished difference Result 111 states and 167 transitions. [2025-03-09 02:48:30,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:48:30,466 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 17 states have internal predecessors, (71), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) Word has length 268 [2025-03-09 02:48:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:30,467 INFO L225 Difference]: With dead ends: 111 [2025-03-09 02:48:30,467 INFO L226 Difference]: Without dead ends: 110 [2025-03-09 02:48:30,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:48:30,468 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 51 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:30,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 968 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:48:30,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-03-09 02:48:30,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2025-03-09 02:48:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 53 states have internal predecessors, (57), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 159 transitions. [2025-03-09 02:48:30,475 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 159 transitions. Word has length 268 [2025-03-09 02:48:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:30,476 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 159 transitions. [2025-03-09 02:48:30,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 17 states have internal predecessors, (71), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-03-09 02:48:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2025-03-09 02:48:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2025-03-09 02:48:30,477 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:30,477 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:30,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 02:48:30,678 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,SelfDestructingSolverStorable8 [2025-03-09 02:48:30,678 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:30,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:30,679 INFO L85 PathProgramCache]: Analyzing trace with hash -498902687, now seen corresponding path program 1 times [2025-03-09 02:48:30,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:30,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794677028] [2025-03-09 02:48:30,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:30,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:30,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-03-09 02:48:30,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-03-09 02:48:30,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:30,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-03-09 02:48:30,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:30,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794677028] [2025-03-09 02:48:30,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794677028] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:30,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102526941] [2025-03-09 02:48:30,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:30,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:30,827 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 02:48:30,828 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 02:48:30,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-03-09 02:48:30,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-03-09 02:48:30,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:30,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:30,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:30,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-03-09 02:48:31,057 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-03-09 02:48:31,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102526941] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:31,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:31,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-09 02:48:31,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837572822] [2025-03-09 02:48:31,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:31,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:48:31,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:31,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:48:31,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:48:31,262 INFO L87 Difference]: Start difference. First operand 106 states and 159 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-03-09 02:48:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:31,415 INFO L93 Difference]: Finished difference Result 106 states and 159 transitions. [2025-03-09 02:48:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:48:31,415 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 269 [2025-03-09 02:48:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:31,417 INFO L225 Difference]: With dead ends: 106 [2025-03-09 02:48:31,417 INFO L226 Difference]: Without dead ends: 105 [2025-03-09 02:48:31,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 534 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:48:31,417 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 6 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:31,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 378 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:48:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-03-09 02:48:31,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-03-09 02:48:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 52 states have internal predecessors, (56), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2025-03-09 02:48:31,425 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 269 [2025-03-09 02:48:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:31,425 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2025-03-09 02:48:31,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-03-09 02:48:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2025-03-09 02:48:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2025-03-09 02:48:31,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:31,427 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:31,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 02:48:31,627 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,SelfDestructingSolverStorable9 [2025-03-09 02:48:31,627 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:31,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2071867938, now seen corresponding path program 1 times [2025-03-09 02:48:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:31,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488375556] [2025-03-09 02:48:31,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:31,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-09 02:48:31,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-09 02:48:31,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:31,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 30 proven. 252 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2025-03-09 02:48:31,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:31,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488375556] [2025-03-09 02:48:31,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488375556] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:31,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95444910] [2025-03-09 02:48:31,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:31,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:31,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:31,792 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 02:48:31,793 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 02:48:31,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-09 02:48:31,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-09 02:48:31,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:31,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:31,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:48:31,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-03-09 02:48:32,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-03-09 02:48:32,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95444910] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:32,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:32,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-03-09 02:48:32,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222347671] [2025-03-09 02:48:32,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:32,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:48:32,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:32,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:48:32,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:48:32,449 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 23 states, 21 states have (on average 3.9523809523809526) internal successors, (83), 23 states have internal predecessors, (83), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-03-09 02:48:32,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:32,950 INFO L93 Difference]: Finished difference Result 109 states and 163 transitions. [2025-03-09 02:48:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:48:32,951 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.9523809523809526) internal successors, (83), 23 states have internal predecessors, (83), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) Word has length 272 [2025-03-09 02:48:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:32,952 INFO L225 Difference]: With dead ends: 109 [2025-03-09 02:48:32,952 INFO L226 Difference]: Without dead ends: 108 [2025-03-09 02:48:32,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-03-09 02:48:32,952 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 81 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:32,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 907 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:48:32,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-09 02:48:32,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2025-03-09 02:48:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 51 states have internal predecessors, (55), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:32,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2025-03-09 02:48:32,960 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 272 [2025-03-09 02:48:32,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:32,961 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2025-03-09 02:48:32,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.9523809523809526) internal successors, (83), 23 states have internal predecessors, (83), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-03-09 02:48:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2025-03-09 02:48:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-03-09 02:48:32,962 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:32,962 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:32,969 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 02:48:33,166 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,SelfDestructingSolverStorable10 [2025-03-09 02:48:33,166 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:33,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:33,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1777124719, now seen corresponding path program 1 times [2025-03-09 02:48:33,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:33,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219177049] [2025-03-09 02:48:33,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:33,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:33,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-03-09 02:48:33,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-03-09 02:48:33,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:33,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:33,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:33,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219177049] [2025-03-09 02:48:33,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219177049] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:33,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489371204] [2025-03-09 02:48:33,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:33,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:33,296 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 02:48:33,298 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 02:48:33,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-03-09 02:48:33,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-03-09 02:48:33,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:33,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:33,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:33,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:33,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:33,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489371204] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:33,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:33,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 02:48:33,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351679130] [2025-03-09 02:48:33,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:33,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:48:33,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:33,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:48:33,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:33,717 INFO L87 Difference]: Start difference. First operand 104 states and 157 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 6 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (136), 6 states have call predecessors, (136), 6 states have call successors, (136) [2025-03-09 02:48:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:33,938 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2025-03-09 02:48:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:48:33,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 6 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (136), 6 states have call predecessors, (136), 6 states have call successors, (136) Word has length 277 [2025-03-09 02:48:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:33,940 INFO L225 Difference]: With dead ends: 104 [2025-03-09 02:48:33,940 INFO L226 Difference]: Without dead ends: 103 [2025-03-09 02:48:33,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:33,941 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 20 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:33,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 372 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-03-09 02:48:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-03-09 02:48:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 46 states have (on average 1.173913043478261) internal successors, (54), 50 states have internal predecessors, (54), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 156 transitions. [2025-03-09 02:48:33,948 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 156 transitions. Word has length 277 [2025-03-09 02:48:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:33,948 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 156 transitions. [2025-03-09 02:48:33,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 6 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (136), 6 states have call predecessors, (136), 6 states have call successors, (136) [2025-03-09 02:48:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2025-03-09 02:48:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-03-09 02:48:33,949 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:33,950 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:33,956 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 02:48:34,150 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,SelfDestructingSolverStorable11 [2025-03-09 02:48:34,150 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:34,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash -743708565, now seen corresponding path program 1 times [2025-03-09 02:48:34,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:34,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742929721] [2025-03-09 02:48:34,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:34,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:34,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-03-09 02:48:34,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-03-09 02:48:34,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:34,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:34,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742929721] [2025-03-09 02:48:34,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742929721] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250207364] [2025-03-09 02:48:34,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:34,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:34,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:34,297 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 02:48:34,297 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 02:48:34,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-03-09 02:48:34,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-03-09 02:48:34,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:34,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:34,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:34,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:34,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:34,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250207364] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:34,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:34,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2025-03-09 02:48:34,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255535655] [2025-03-09 02:48:34,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:34,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:48:34,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:34,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:48:34,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:48:34,724 INFO L87 Difference]: Start difference. First operand 103 states and 156 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2025-03-09 02:48:34,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:34,981 INFO L93 Difference]: Finished difference Result 103 states and 156 transitions. [2025-03-09 02:48:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:48:34,981 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) Word has length 278 [2025-03-09 02:48:34,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:34,982 INFO L225 Difference]: With dead ends: 103 [2025-03-09 02:48:34,982 INFO L226 Difference]: Without dead ends: 102 [2025-03-09 02:48:34,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 551 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:48:34,983 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 42 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:34,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 524 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:34,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-03-09 02:48:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2025-03-09 02:48:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 49 states have internal predecessors, (53), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2025-03-09 02:48:34,996 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 278 [2025-03-09 02:48:34,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:34,996 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2025-03-09 02:48:34,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2025-03-09 02:48:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2025-03-09 02:48:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-03-09 02:48:34,998 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:34,998 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:35,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 02:48:35,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-09 02:48:35,202 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:35,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:35,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1914413132, now seen corresponding path program 1 times [2025-03-09 02:48:35,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:35,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746799253] [2025-03-09 02:48:35,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:35,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:35,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-03-09 02:48:35,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-03-09 02:48:35,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:35,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:35,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:35,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746799253] [2025-03-09 02:48:35,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746799253] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:35,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105685119] [2025-03-09 02:48:35,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:35,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:35,338 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 02:48:35,340 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 02:48:35,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-03-09 02:48:35,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-03-09 02:48:35,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:35,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:35,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:48:35,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:35,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:35,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-09 02:48:35,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105685119] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:35,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:35,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-09 02:48:35,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043904684] [2025-03-09 02:48:35,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:35,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:48:35,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:35,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:48:35,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:48:35,790 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-03-09 02:48:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:36,056 INFO L93 Difference]: Finished difference Result 102 states and 155 transitions. [2025-03-09 02:48:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:48:36,057 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 281 [2025-03-09 02:48:36,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:36,058 INFO L225 Difference]: With dead ends: 102 [2025-03-09 02:48:36,058 INFO L226 Difference]: Without dead ends: 101 [2025-03-09 02:48:36,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 557 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:48:36,058 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 9 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:36,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 472 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:36,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-03-09 02:48:36,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2025-03-09 02:48:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 48 states have internal predecessors, (52), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2025-03-09 02:48:36,066 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 281 [2025-03-09 02:48:36,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:36,067 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2025-03-09 02:48:36,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-03-09 02:48:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2025-03-09 02:48:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2025-03-09 02:48:36,068 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:36,068 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:36,075 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 02:48:36,272 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,SelfDestructingSolverStorable13 [2025-03-09 02:48:36,272 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:36,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash 457185137, now seen corresponding path program 1 times [2025-03-09 02:48:36,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:36,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509119263] [2025-03-09 02:48:36,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:36,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:36,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-09 02:48:36,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-09 02:48:36,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:36,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-03-09 02:48:36,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509119263] [2025-03-09 02:48:36,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509119263] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558866126] [2025-03-09 02:48:36,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:36,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:36,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:36,397 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 02:48:36,398 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 02:48:36,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-09 02:48:36,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-09 02:48:36,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:36,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:36,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:36,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-03-09 02:48:36,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-03-09 02:48:36,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558866126] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:36,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:36,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 02:48:36,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653563835] [2025-03-09 02:48:36,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:36,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:48:36,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:36,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:48:36,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:36,884 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand has 10 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 6 states have call successors, (134), 1 states have call predecessors, (134), 2 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2025-03-09 02:48:37,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:37,075 INFO L93 Difference]: Finished difference Result 101 states and 154 transitions. [2025-03-09 02:48:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:48:37,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 6 states have call successors, (134), 1 states have call predecessors, (134), 2 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) Word has length 286 [2025-03-09 02:48:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:37,077 INFO L225 Difference]: With dead ends: 101 [2025-03-09 02:48:37,077 INFO L226 Difference]: Without dead ends: 100 [2025-03-09 02:48:37,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:48:37,077 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 39 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:37,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 363 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:48:37,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-03-09 02:48:37,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-03-09 02:48:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 46 states have (on average 1.108695652173913) internal successors, (51), 47 states have internal predecessors, (51), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 153 transitions. [2025-03-09 02:48:37,090 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 153 transitions. Word has length 286 [2025-03-09 02:48:37,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:37,090 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 153 transitions. [2025-03-09 02:48:37,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 6 states have call successors, (134), 1 states have call predecessors, (134), 2 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2025-03-09 02:48:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2025-03-09 02:48:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2025-03-09 02:48:37,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:37,092 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:37,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-09 02:48:37,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:37,293 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:37,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:37,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1287837341, now seen corresponding path program 1 times [2025-03-09 02:48:37,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:37,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419240094] [2025-03-09 02:48:37,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:37,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:37,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 287 statements into 1 equivalence classes. [2025-03-09 02:48:37,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 287 of 287 statements. [2025-03-09 02:48:37,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:37,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-03-09 02:48:37,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:37,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419240094] [2025-03-09 02:48:37,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419240094] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:37,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18147442] [2025-03-09 02:48:37,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:37,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:37,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:37,461 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 02:48:37,463 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 02:48:37,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 287 statements into 1 equivalence classes. [2025-03-09 02:48:37,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 287 of 287 statements. [2025-03-09 02:48:37,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:37,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:37,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:48:37,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-03-09 02:48:37,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-03-09 02:48:37,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18147442] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:37,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:37,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2025-03-09 02:48:37,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993714646] [2025-03-09 02:48:37,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:37,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:48:37,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:37,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:48:37,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:48:37,930 INFO L87 Difference]: Start difference. First operand 100 states and 153 transitions. Second operand has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 7 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 7 states have call predecessors, (138), 7 states have call successors, (138) [2025-03-09 02:48:38,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:38,318 INFO L93 Difference]: Finished difference Result 105 states and 160 transitions. [2025-03-09 02:48:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:48:38,318 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), 7 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 7 states have call predecessors, (138), 7 states have call successors, (138) Word has length 287 [2025-03-09 02:48:38,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:38,320 INFO L225 Difference]: With dead ends: 105 [2025-03-09 02:48:38,320 INFO L226 Difference]: Without dead ends: 104 [2025-03-09 02:48:38,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:48:38,320 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 61 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:38,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 609 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:48:38,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-03-09 02:48:38,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2025-03-09 02:48:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 46 states have internal predecessors, (50), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:48:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 152 transitions. [2025-03-09 02:48:38,328 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 152 transitions. Word has length 287 [2025-03-09 02:48:38,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:38,328 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 152 transitions. [2025-03-09 02:48:38,329 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), 7 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 7 states have call predecessors, (138), 7 states have call successors, (138) [2025-03-09 02:48:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2025-03-09 02:48:38,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2025-03-09 02:48:38,330 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:48:38,330 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:38,336 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 02:48:38,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 02:48:38,530 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 02:48:38,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:48:38,531 INFO L85 PathProgramCache]: Analyzing trace with hash -980648370, now seen corresponding path program 1 times [2025-03-09 02:48:38,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:48:38,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440490311] [2025-03-09 02:48:38,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:38,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:48:38,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-03-09 02:48:38,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-03-09 02:48:38,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:38,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 54 proven. 240 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2025-03-09 02:48:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:48:38,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440490311] [2025-03-09 02:48:38,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440490311] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:48:38,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460184667] [2025-03-09 02:48:38,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:48:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:48:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:48:38,673 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 02:48:38,675 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 02:48:38,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-03-09 02:48:38,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-03-09 02:48:38,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:48:38,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:48:38,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:48:38,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:48:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 240 proven. 324 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2025-03-09 02:48:39,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:48:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 240 proven. 324 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2025-03-09 02:48:39,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460184667] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:48:39,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:48:39,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-03-09 02:48:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577948485] [2025-03-09 02:48:39,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:48:39,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:48:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:48:39,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:48:39,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:48:39,384 INFO L87 Difference]: Start difference. First operand 99 states and 152 transitions. Second operand has 23 states, 21 states have (on average 4.904761904761905) internal successors, (103), 23 states have internal predecessors, (103), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) [2025-03-09 02:48:39,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:48:39,828 INFO L93 Difference]: Finished difference Result 103 states and 157 transitions. [2025-03-09 02:48:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:48:39,828 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.904761904761905) internal successors, (103), 23 states have internal predecessors, (103), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) Word has length 290 [2025-03-09 02:48:39,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:48:39,829 INFO L225 Difference]: With dead ends: 103 [2025-03-09 02:48:39,829 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 02:48:39,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-03-09 02:48:39,830 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 148 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:48:39,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 799 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:48:39,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 02:48:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 02:48:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:48:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 02:48:39,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2025-03-09 02:48:39,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:48:39,831 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 02:48:39,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.904761904761905) internal successors, (103), 23 states have internal predecessors, (103), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) [2025-03-09 02:48:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 02:48:39,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 02:48:39,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-09 02:48:39,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-09 02:48:39,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-09 02:48:39,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-09 02:48:39,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-09 02:48:40,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-09 02:48:40,042 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:48:40,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 02:48:40,797 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 02:48:40,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:48:40 BoogieIcfgContainer [2025-03-09 02:48:40,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:48:40,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:48:40,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:48:40,802 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:48:40,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:48:20" (3/4) ... [2025-03-09 02:48:40,804 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 02:48:40,809 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume [2025-03-09 02:48:40,814 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-09 02:48:40,814 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 02:48:40,815 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 02:48:40,815 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 02:48:40,884 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:48:40,885 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:48:40,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:48:40,886 INFO L158 Benchmark]: Toolchain (without parser) took 21114.76ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 105.4MB in the beginning and 285.2MB in the end (delta: -179.8MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. [2025-03-09 02:48:40,886 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:48:40,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.43ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 91.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 02:48:40,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.01ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:48:40,887 INFO L158 Benchmark]: Boogie Preprocessor took 23.63ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:48:40,887 INFO L158 Benchmark]: IcfgBuilder took 320.27ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 69.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 02:48:40,888 INFO L158 Benchmark]: TraceAbstraction took 20469.65ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 69.2MB in the beginning and 293.3MB in the end (delta: -224.1MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2025-03-09 02:48:40,889 INFO L158 Benchmark]: Witness Printer took 82.80ms. Allocated memory is still 503.3MB. Free memory was 293.3MB in the beginning and 285.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:48:40,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.43ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 91.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.01ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.63ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 320.27ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 69.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20469.65ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 69.2MB in the beginning and 293.3MB in the end (delta: -224.1MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Witness Printer took 82.80ms. Allocated memory is still 503.3MB. Free memory was 293.3MB in the beginning and 285.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 111]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 111]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 102]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 102]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 233 edges, 20 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 17, TraceHistogramMax: 51, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 502 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 502 mSDsluCounter, 8915 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7117 mSDsCounter, 357 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7008 IncrementalHoareTripleChecker+Invalid, 7365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 357 mSolverCounterUnsat, 1798 mSDtfsCounter, 7008 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8445 GetRequests, 8238 SyntacticMatches, 10 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 8843 NumberOfCodeBlocks, 8843 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 12840 ConstructedInterpolants, 0 QuantifiedInterpolants, 28841 SizeOfPredicates, 24 NumberOfNonLiveVariables, 8127 ConjunctsInSsa, 162 ConjunctsInUnsatCore, 48 InterpolantComputations, 2 PerfectInterpolantSequences, 217297/224832 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-09 02:48:40,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE