./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/jain_5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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/bitvector/jain_5-1.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 ce25b6bd0efa145a105c85604d85a015d6e6bffce3769a218e2fa9a5cf656dc9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:41:13,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:41:13,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:41:13,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:41:13,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:41:13,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:41:13,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:41:13,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:41:13,496 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:41:13,497 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:41:13,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:41:13,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:41:13,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:41:13,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:41:13,498 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:41:13,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:41:13,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:41:13,498 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:41:13,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:41:13,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:41:13,499 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:41:13,500 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:41:13,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:41:13,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:41:13,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:41:13,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:41:13,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:41:13,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:41:13,501 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 -> ce25b6bd0efa145a105c85604d85a015d6e6bffce3769a218e2fa9a5cf656dc9 [2025-03-17 14:41:13,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:41:13,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:41:13,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:41:13,849 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:41:13,849 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:41:13,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_5-1.c [2025-03-17 14:41:14,956 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9103e085e/dcc0e03ce42c44949838b771929967d6/FLAG54be8f7b5 [2025-03-17 14:41:15,149 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:41:15,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_5-1.c [2025-03-17 14:41:15,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9103e085e/dcc0e03ce42c44949838b771929967d6/FLAG54be8f7b5 [2025-03-17 14:41:15,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9103e085e/dcc0e03ce42c44949838b771929967d6 [2025-03-17 14:41:15,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:41:15,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:41:15,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:41:15,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:41:15,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:41:15,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ce9961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15, skipping insertion in model container [2025-03-17 14:41:15,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:41:15,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:41:15,646 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:41:15,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:41:15,667 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:41:15,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15 WrapperNode [2025-03-17 14:41:15,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:41:15,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:41:15,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:41:15,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:41:15,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,691 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 30 [2025-03-17 14:41:15,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:41:15,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:41:15,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:41:15,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:41:15,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,707 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]. [2025-03-17 14:41:15,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,712 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:41:15,714 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:41:15,715 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:41:15,715 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:41:15,715 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (1/1) ... [2025-03-17 14:41:15,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:41:15,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:15,746 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) [2025-03-17 14:41:15,749 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 [2025-03-17 14:41:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:41:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:41:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:41:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:41:15,808 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:41:15,810 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:41:15,886 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 14:41:15,886 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:41:15,894 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:41:15,894 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:41:15,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:41:15 BoogieIcfgContainer [2025-03-17 14:41:15,895 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:41:15,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:41:15,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:41:15,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:41:15,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:41:15" (1/3) ... [2025-03-17 14:41:15,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab53f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:41:15, skipping insertion in model container [2025-03-17 14:41:15,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:41:15" (2/3) ... [2025-03-17 14:41:15,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab53f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:41:15, skipping insertion in model container [2025-03-17 14:41:15,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:41:15" (3/3) ... [2025-03-17 14:41:15,904 INFO L128 eAbstractionObserver]: Analyzing ICFG jain_5-1.c [2025-03-17 14:41:15,913 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:41:15,914 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG jain_5-1.c that has 1 procedures, 13 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2025-03-17 14:41:15,956 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:41:15,967 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;@3d1c5f27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:41:15,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-17 14:41:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-03-17 14:41:15,973 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:15,974 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-03-17 14:41:15,974 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:15,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:15,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1344, now seen corresponding path program 1 times [2025-03-17 14:41:15,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:15,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283660704] [2025-03-17 14:41:15,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 14:41:16,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 14:41:16,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:16,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283660704] [2025-03-17 14:41:16,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283660704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:41:16,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:41:16,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:41:16,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172846827] [2025-03-17 14:41:16,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:41:16,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:41:16,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:16,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:41:16,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,146 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:16,171 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2025-03-17 14:41:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:41:16,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2025-03-17 14:41:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:16,176 INFO L225 Difference]: With dead ends: 25 [2025-03-17 14:41:16,176 INFO L226 Difference]: Without dead ends: 13 [2025-03-17 14:41:16,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,181 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:16,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:16,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-17 14:41:16,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2025-03-17 14:41:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.5) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2025-03-17 14:41:16,210 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 2 [2025-03-17 14:41:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:16,210 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2025-03-17 14:41:16,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2025-03-17 14:41:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 14:41:16,211 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:16,211 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 14:41:16,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:41:16,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:16,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash 41642, now seen corresponding path program 1 times [2025-03-17 14:41:16,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:16,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319320882] [2025-03-17 14:41:16,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 14:41:16,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 14:41:16,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:16,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319320882] [2025-03-17 14:41:16,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319320882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:41:16,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:41:16,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:41:16,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962898628] [2025-03-17 14:41:16,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:41:16,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:41:16,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:16,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:41:16,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,264 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:16,289 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2025-03-17 14:41:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:41:16,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-17 14:41:16,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:16,290 INFO L225 Difference]: With dead ends: 14 [2025-03-17 14:41:16,290 INFO L226 Difference]: Without dead ends: 13 [2025-03-17 14:41:16,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,290 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:16,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:16,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-17 14:41:16,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-17 14:41:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2025-03-17 14:41:16,296 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 3 [2025-03-17 14:41:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:16,296 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-03-17 14:41:16,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2025-03-17 14:41:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 14:41:16,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:16,297 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 14:41:16,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 14:41:16,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:16,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1290878, now seen corresponding path program 1 times [2025-03-17 14:41:16,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:16,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262877704] [2025-03-17 14:41:16,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 14:41:16,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 14:41:16,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:16,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262877704] [2025-03-17 14:41:16,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262877704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:41:16,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:41:16,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:41:16,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700034394] [2025-03-17 14:41:16,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:41:16,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:41:16,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:16,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:41:16,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,334 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:16,348 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2025-03-17 14:41:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:41:16,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-17 14:41:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:16,350 INFO L225 Difference]: With dead ends: 13 [2025-03-17 14:41:16,350 INFO L226 Difference]: Without dead ends: 12 [2025-03-17 14:41:16,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,351 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:16,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:16,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-03-17 14:41:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-03-17 14:41:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2025-03-17 14:41:16,353 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2025-03-17 14:41:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:16,353 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2025-03-17 14:41:16,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2025-03-17 14:41:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 14:41:16,355 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:16,355 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 14:41:16,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 14:41:16,356 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:16,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:16,357 INFO L85 PathProgramCache]: Analyzing trace with hash 40017192, now seen corresponding path program 1 times [2025-03-17 14:41:16,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:16,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96621134] [2025-03-17 14:41:16,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 14:41:16,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 14:41:16,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:16,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96621134] [2025-03-17 14:41:16,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96621134] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:41:16,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:41:16,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:41:16,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639059012] [2025-03-17 14:41:16,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:41:16,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:41:16,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:16,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:41:16,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,388 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:16,401 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2025-03-17 14:41:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:41:16,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-17 14:41:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:16,402 INFO L225 Difference]: With dead ends: 15 [2025-03-17 14:41:16,402 INFO L226 Difference]: Without dead ends: 14 [2025-03-17 14:41:16,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:41:16,403 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:16,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:16,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-03-17 14:41:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-03-17 14:41:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2025-03-17 14:41:16,406 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2025-03-17 14:41:16,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:16,406 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2025-03-17 14:41:16,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2025-03-17 14:41:16,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 14:41:16,406 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:16,406 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:41:16,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 14:41:16,406 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:16,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1848768282, now seen corresponding path program 1 times [2025-03-17 14:41:16,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:16,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463001224] [2025-03-17 14:41:16,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 14:41:16,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 14:41:16,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:16,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463001224] [2025-03-17 14:41:16,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463001224] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:16,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787273470] [2025-03-17 14:41:16,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:16,481 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) [2025-03-17 14:41:16,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 14:41:16,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 14:41:16,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 14:41:16,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:41:16,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:41:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787273470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:41:16,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:41:16,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2025-03-17 14:41:16,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191577490] [2025-03-17 14:41:16,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:41:16,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:41:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:16,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:41:16,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:41:16,614 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:16,649 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2025-03-17 14:41:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:41:16,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-17 14:41:16,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:16,650 INFO L225 Difference]: With dead ends: 14 [2025-03-17 14:41:16,650 INFO L226 Difference]: Without dead ends: 13 [2025-03-17 14:41:16,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-17 14:41:16,651 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:16,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:16,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-17 14:41:16,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-17 14:41:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2025-03-17 14:41:16,653 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8 [2025-03-17 14:41:16,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:16,653 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-03-17 14:41:16,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2025-03-17 14:41:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 14:41:16,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:16,654 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:41:16,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 14:41:16,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:16,855 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:16,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1477241916, now seen corresponding path program 1 times [2025-03-17 14:41:16,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:16,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499277150] [2025-03-17 14:41:16,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 14:41:16,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 14:41:16,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:16,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:16,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499277150] [2025-03-17 14:41:16,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499277150] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:16,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103457700] [2025-03-17 14:41:16,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:16,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:16,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:16,942 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) [2025-03-17 14:41:16,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 14:41:16,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 14:41:16,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 14:41:16,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:16,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:41:16,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103457700] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:17,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:17,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2025-03-17 14:41:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967617325] [2025-03-17 14:41:17,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:17,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 14:41:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:17,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 14:41:17,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:41:17,047 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 11 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:17,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:17,087 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2025-03-17 14:41:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 14:41:17,087 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 14:41:17,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:17,088 INFO L225 Difference]: With dead ends: 24 [2025-03-17 14:41:17,088 INFO L226 Difference]: Without dead ends: 23 [2025-03-17 14:41:17,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2025-03-17 14:41:17,089 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:17,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:17,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-17 14:41:17,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-03-17 14:41:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2025-03-17 14:41:17,091 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 9 [2025-03-17 14:41:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:17,091 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2025-03-17 14:41:17,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2025-03-17 14:41:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 14:41:17,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:17,092 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2025-03-17 14:41:17,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:17,292 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,SelfDestructingSolverStorable5 [2025-03-17 14:41:17,292 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:17,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:17,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2004692930, now seen corresponding path program 1 times [2025-03-17 14:41:17,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:17,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014363733] [2025-03-17 14:41:17,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:17,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:17,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:41:17,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:41:17,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:17,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:17,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014363733] [2025-03-17 14:41:17,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014363733] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:17,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022623507] [2025-03-17 14:41:17,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:17,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:17,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:17,334 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) [2025-03-17 14:41:17,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 14:41:17,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:41:17,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:41:17,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:17,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:17,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:41:17,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022623507] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:17,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:17,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-03-17 14:41:17,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576713597] [2025-03-17 14:41:17,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:17,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:41:17,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:17,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:41:17,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:41:17,405 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:17,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:17,434 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2025-03-17 14:41:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:41:17,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 14:41:17,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:17,435 INFO L225 Difference]: With dead ends: 32 [2025-03-17 14:41:17,435 INFO L226 Difference]: Without dead ends: 31 [2025-03-17 14:41:17,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:41:17,435 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:17,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:17,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-17 14:41:17,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-03-17 14:41:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2025-03-17 14:41:17,442 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 11 [2025-03-17 14:41:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:17,442 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2025-03-17 14:41:17,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2025-03-17 14:41:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 14:41:17,445 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:17,445 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1] [2025-03-17 14:41:17,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:17,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:17,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:17,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:17,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1846436728, now seen corresponding path program 2 times [2025-03-17 14:41:17,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:17,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409137684] [2025-03-17 14:41:17,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:41:17,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:17,651 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 14:41:17,656 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 14:41:17,656 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:41:17,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409137684] [2025-03-17 14:41:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409137684] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761153725] [2025-03-17 14:41:17,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:41:17,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:17,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:17,753 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) [2025-03-17 14:41:17,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 14:41:17,773 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 14:41:17,781 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 14:41:17,781 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:41:17,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:17,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 14:41:17,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:17,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:18,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761153725] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:18,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:18,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2025-03-17 14:41:18,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352788653] [2025-03-17 14:41:18,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:18,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 14:41:18,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:18,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 14:41:18,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2025-03-17 14:41:18,013 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 23 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:18,150 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2025-03-17 14:41:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 14:41:18,150 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-03-17 14:41:18,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:18,151 INFO L225 Difference]: With dead ends: 48 [2025-03-17 14:41:18,152 INFO L226 Difference]: Without dead ends: 47 [2025-03-17 14:41:18,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=305, Invalid=565, Unknown=0, NotChecked=0, Total=870 [2025-03-17 14:41:18,153 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:18,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 42 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:41:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-03-17 14:41:18,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-03-17 14:41:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2025-03-17 14:41:18,161 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 21 [2025-03-17 14:41:18,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:18,161 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2025-03-17 14:41:18,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2025-03-17 14:41:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 14:41:18,162 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:18,162 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1] [2025-03-17 14:41:18,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:18,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:18,366 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:18,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash 719078032, now seen corresponding path program 2 times [2025-03-17 14:41:18,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:18,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435911804] [2025-03-17 14:41:18,367 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:41:18,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:18,371 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-03-17 14:41:18,376 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 14:41:18,377 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:41:18,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:18,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:18,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435911804] [2025-03-17 14:41:18,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435911804] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:18,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503116880] [2025-03-17 14:41:18,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:41:18,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:18,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:18,521 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) [2025-03-17 14:41:18,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 14:41:18,552 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-03-17 14:41:18,560 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 14:41:18,561 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:41:18,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:18,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 14:41:18,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:18,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:18,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503116880] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:18,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:18,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2025-03-17 14:41:18,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683512508] [2025-03-17 14:41:18,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:18,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-17 14:41:18,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:18,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-17 14:41:18,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2025-03-17 14:41:18,860 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 27 states, 26 states have (on average 3.0384615384615383) internal successors, (79), 26 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:19,013 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2025-03-17 14:41:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 14:41:19,014 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.0384615384615383) internal successors, (79), 26 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2025-03-17 14:41:19,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:19,014 INFO L225 Difference]: With dead ends: 47 [2025-03-17 14:41:19,014 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 14:41:19,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=365, Invalid=895, Unknown=0, NotChecked=0, Total=1260 [2025-03-17 14:41:19,015 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:19,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 55 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:41:19,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 14:41:19,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 14:41:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2025-03-17 14:41:19,019 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 29 [2025-03-17 14:41:19,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:19,020 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2025-03-17 14:41:19,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.0384615384615383) internal successors, (79), 26 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2025-03-17 14:41:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 14:41:19,020 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:19,020 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1] [2025-03-17 14:41:19,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 14:41:19,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:19,224 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:19,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash -979355424, now seen corresponding path program 3 times [2025-03-17 14:41:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:19,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187769148] [2025-03-17 14:41:19,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:41:19,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:19,230 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 45 statements into 8 equivalence classes. [2025-03-17 14:41:19,254 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 14:41:19,254 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-17 14:41:19,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:19,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187769148] [2025-03-17 14:41:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187769148] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575058448] [2025-03-17 14:41:19,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:41:19,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:19,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:19,468 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) [2025-03-17 14:41:19,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 14:41:19,494 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 45 statements into 8 equivalence classes. [2025-03-17 14:41:19,511 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 14:41:19,511 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-17 14:41:19,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:19,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 14:41:19,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:19,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:20,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575058448] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:20,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:20,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 45 [2025-03-17 14:41:20,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569014821] [2025-03-17 14:41:20,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:20,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-03-17 14:41:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:20,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-03-17 14:41:20,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=1571, Unknown=0, NotChecked=0, Total=2162 [2025-03-17 14:41:20,102 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 47 states, 46 states have (on average 2.9347826086956523) internal successors, (135), 46 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:20,597 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2025-03-17 14:41:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-17 14:41:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.9347826086956523) internal successors, (135), 46 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2025-03-17 14:41:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:20,598 INFO L225 Difference]: With dead ends: 95 [2025-03-17 14:41:20,598 INFO L226 Difference]: Without dead ends: 94 [2025-03-17 14:41:20,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1522 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1316, Invalid=2974, Unknown=0, NotChecked=0, Total=4290 [2025-03-17 14:41:20,600 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 56 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:20,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 78 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:41:20,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2025-03-17 14:41:20,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2025-03-17 14:41:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.010752688172043) internal successors, (94), 93 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2025-03-17 14:41:20,606 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 45 [2025-03-17 14:41:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:20,606 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2025-03-17 14:41:20,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.9347826086956523) internal successors, (135), 46 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2025-03-17 14:41:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 14:41:20,607 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:20,607 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 1, 1] [2025-03-17 14:41:20,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 14:41:20,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:20,808 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:20,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:20,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2088549296, now seen corresponding path program 4 times [2025-03-17 14:41:20,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:20,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165447677] [2025-03-17 14:41:20,809 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 14:41:20,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:20,816 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 93 statements into 2 equivalence classes. [2025-03-17 14:41:20,834 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 14:41:20,835 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 14:41:20,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:21,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165447677] [2025-03-17 14:41:21,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165447677] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179726522] [2025-03-17 14:41:21,487 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 14:41:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:21,489 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) [2025-03-17 14:41:21,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 14:41:21,520 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 93 statements into 2 equivalence classes. [2025-03-17 14:41:21,540 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 14:41:21,540 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 14:41:21,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:21,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 14:41:21,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:22,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:23,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179726522] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:23,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:23,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 93 [2025-03-17 14:41:23,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459429878] [2025-03-17 14:41:23,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:23,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-03-17 14:41:23,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:23,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-03-17 14:41:23,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2155, Invalid=6775, Unknown=0, NotChecked=0, Total=8930 [2025-03-17 14:41:23,092 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand has 95 states, 94 states have (on average 2.9680851063829787) internal successors, (279), 94 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:25,020 INFO L93 Difference]: Finished difference Result 191 states and 206 transitions. [2025-03-17 14:41:25,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-03-17 14:41:25,020 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 2.9680851063829787) internal successors, (279), 94 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2025-03-17 14:41:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:25,021 INFO L225 Difference]: With dead ends: 191 [2025-03-17 14:41:25,021 INFO L226 Difference]: Without dead ends: 190 [2025-03-17 14:41:25,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7098 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=5452, Invalid=13454, Unknown=0, NotChecked=0, Total=18906 [2025-03-17 14:41:25,026 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 270 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:25,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 156 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 14:41:25,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-03-17 14:41:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2025-03-17 14:41:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.0052910052910053) internal successors, (190), 189 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2025-03-17 14:41:25,038 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 93 [2025-03-17 14:41:25,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:25,038 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2025-03-17 14:41:25,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 2.9680851063829787) internal successors, (279), 94 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2025-03-17 14:41:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-17 14:41:25,040 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:25,040 INFO L218 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 1, 1] [2025-03-17 14:41:25,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:25,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:25,241 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:25,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:25,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1064902992, now seen corresponding path program 5 times [2025-03-17 14:41:25,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:25,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617036719] [2025-03-17 14:41:25,242 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 14:41:25,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:25,255 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 189 statements into 32 equivalence classes. [2025-03-17 14:41:25,375 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 14:41:25,376 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2025-03-17 14:41:25,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:27,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617036719] [2025-03-17 14:41:27,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617036719] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370715184] [2025-03-17 14:41:27,342 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 14:41:27,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:27,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:27,344 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) [2025-03-17 14:41:27,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 14:41:27,382 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 189 statements into 32 equivalence classes. [2025-03-17 14:41:27,461 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 14:41:27,461 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2025-03-17 14:41:27,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:27,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-03-17 14:41:27,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:29,864 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:32,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370715184] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:32,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:32,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 189 [2025-03-17 14:41:32,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460365221] [2025-03-17 14:41:32,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:32,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2025-03-17 14:41:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:32,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2025-03-17 14:41:32,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8008, Invalid=28282, Unknown=0, NotChecked=0, Total=36290 [2025-03-17 14:41:32,799 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand has 191 states, 190 states have (on average 2.9842105263157896) internal successors, (567), 190 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:42,231 INFO L93 Difference]: Finished difference Result 383 states and 414 transitions. [2025-03-17 14:41:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-03-17 14:41:42,231 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 2.9842105263157896) internal successors, (567), 190 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2025-03-17 14:41:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:42,233 INFO L225 Difference]: With dead ends: 383 [2025-03-17 14:41:42,233 INFO L226 Difference]: Without dead ends: 382 [2025-03-17 14:41:42,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29579 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=21957, Invalid=57285, Unknown=0, NotChecked=0, Total=79242 [2025-03-17 14:41:42,237 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 1435 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:42,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 304 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 14:41:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-03-17 14:41:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2025-03-17 14:41:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.0026246719160106) internal successors, (382), 381 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 382 transitions. [2025-03-17 14:41:42,265 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 382 transitions. Word has length 189 [2025-03-17 14:41:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:42,265 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 382 transitions. [2025-03-17 14:41:42,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 2.9842105263157896) internal successors, (567), 190 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:41:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 382 transitions. [2025-03-17 14:41:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2025-03-17 14:41:42,269 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:42,269 INFO L218 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 63, 1, 1] [2025-03-17 14:41:42,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 14:41:42,469 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,SelfDestructingSolverStorable11 [2025-03-17 14:41:42,469 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 14:41:42,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:42,470 INFO L85 PathProgramCache]: Analyzing trace with hash 226454672, now seen corresponding path program 6 times [2025-03-17 14:41:42,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:42,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722058647] [2025-03-17 14:41:42,470 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-17 14:41:42,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:42,489 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 381 statements into 64 equivalence classes. [2025-03-17 14:41:42,841 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) and asserted 381 of 381 statements. [2025-03-17 14:41:42,841 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2025-03-17 14:41:42,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:49,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:49,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722058647] [2025-03-17 14:41:49,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722058647] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:49,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570831184] [2025-03-17 14:41:49,553 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-17 14:41:49,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:49,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:49,555 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) [2025-03-17 14:41:49,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 14:41:49,611 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 381 statements into 64 equivalence classes. [2025-03-17 14:41:49,845 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) and asserted 381 of 381 statements. [2025-03-17 14:41:49,845 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2025-03-17 14:41:49,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:49,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-03-17 14:41:49,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:41:57,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:42:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:42:08,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570831184] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:42:08,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:42:08,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127, 127] total 381 [2025-03-17 14:42:08,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281112470] [2025-03-17 14:42:08,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:42:08,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 383 states [2025-03-17 14:42:08,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:42:08,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 383 interpolants. [2025-03-17 14:42:08,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31699, Invalid=114607, Unknown=0, NotChecked=0, Total=146306 [2025-03-17 14:42:08,377 INFO L87 Difference]: Start difference. First operand 382 states and 382 transitions. Second operand has 383 states, 382 states have (on average 2.992146596858639) internal successors, (1143), 382 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)