./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 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/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:30:12,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:30:12,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 10:30:12,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:30:12,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:30:12,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:30:12,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:30:12,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:30:12,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:30:12,705 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:30:12,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:30:12,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:30:12,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:30:12,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:30:12,706 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:30:12,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:30:12,707 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:30:12,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:30:12,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:30:12,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:30:12,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:30:12,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:30:12,708 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:30:12,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:30:12,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:30:12,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:30:12,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:30:12,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:30:12,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:30:12,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:30:12,709 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a [2025-03-04 10:30:12,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:30:12,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:30:12,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:30:12,927 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:30:12,927 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:30:12,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2025-03-04 10:30:14,072 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4596b31/be3902ae67b54b18b7426e1fcbc140ba/FLAG1532a53e6 [2025-03-04 10:30:14,267 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:30:14,268 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2025-03-04 10:30:14,279 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4596b31/be3902ae67b54b18b7426e1fcbc140ba/FLAG1532a53e6 [2025-03-04 10:30:14,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4596b31/be3902ae67b54b18b7426e1fcbc140ba [2025-03-04 10:30:14,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:30:14,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:30:14,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:30:14,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:30:14,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:30:14,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7d3ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14, skipping insertion in model container [2025-03-04 10:30:14,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:30:14,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:30:14,741 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:30:14,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:30:14,758 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:30:14,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14 WrapperNode [2025-03-04 10:30:14,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:30:14,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:30:14,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:30:14,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:30:14,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,774 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2025-03-04 10:30:14,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:30:14,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:30:14,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:30:14,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:30:14,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,781 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-04 10:30:14,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,782 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:30:14,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:30:14,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:30:14,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:30:14,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (1/1) ... [2025-03-04 10:30:14,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:30:14,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:14,810 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) [2025-03-04 10:30:14,811 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 [2025-03-04 10:30:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:30:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:30:14,864 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:30:14,865 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:30:14,949 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-03-04 10:30:14,950 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:30:14,958 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:30:14,958 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:30:14,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:30:14 BoogieIcfgContainer [2025-03-04 10:30:14,959 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:30:14,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:30:14,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:30:14,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:30:14,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:30:14" (1/3) ... [2025-03-04 10:30:14,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9bba61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:30:14, skipping insertion in model container [2025-03-04 10:30:14,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:30:14" (2/3) ... [2025-03-04 10:30:14,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9bba61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:30:14, skipping insertion in model container [2025-03-04 10:30:14,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:30:14" (3/3) ... [2025-03-04 10:30:14,965 INFO L128 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2025-03-04 10:30:14,974 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:30:14,975 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c that has 1 procedures, 21 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-03-04 10:30:15,006 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:30:15,013 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;@24e4ab2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:30:15,014 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-04 10:30:15,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 10:30:15,020 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:15,022 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 10:30:15,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:15,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:15,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1537321821, now seen corresponding path program 1 times [2025-03-04 10:30:15,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:15,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692740661] [2025-03-04 10:30:15,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:15,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 10:30:15,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 10:30:15,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:15,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692740661] [2025-03-04 10:30:15,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692740661] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:30:15,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:30:15,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:30:15,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646365788] [2025-03-04 10:30:15,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:30:15,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:30:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:15,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:30:15,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,163 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:15,203 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2025-03-04 10:30:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:30:15,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-04 10:30:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:15,209 INFO L225 Difference]: With dead ends: 35 [2025-03-04 10:30:15,209 INFO L226 Difference]: Without dead ends: 27 [2025-03-04 10:30:15,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,214 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:15,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 35 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-03-04 10:30:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2025-03-04 10:30:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2025-03-04 10:30:15,237 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 6 [2025-03-04 10:30:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:15,237 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2025-03-04 10:30:15,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2025-03-04 10:30:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-04 10:30:15,237 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:15,237 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:30:15,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:30:15,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:15,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash 412336177, now seen corresponding path program 1 times [2025-03-04 10:30:15,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:15,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633048587] [2025-03-04 10:30:15,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:15,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 10:30:15,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 10:30:15,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:15,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633048587] [2025-03-04 10:30:15,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633048587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:30:15,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:30:15,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:30:15,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715059764] [2025-03-04 10:30:15,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:30:15,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:30:15,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:15,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:30:15,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,274 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:15,304 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2025-03-04 10:30:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:30:15,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-04 10:30:15,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:15,305 INFO L225 Difference]: With dead ends: 41 [2025-03-04 10:30:15,305 INFO L226 Difference]: Without dead ends: 39 [2025-03-04 10:30:15,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,305 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:15,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:15,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-03-04 10:30:15,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2025-03-04 10:30:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2025-03-04 10:30:15,312 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 7 [2025-03-04 10:30:15,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:15,312 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2025-03-04 10:30:15,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2025-03-04 10:30:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 10:30:15,313 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:15,313 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:30:15,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:30:15,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:15,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:15,314 INFO L85 PathProgramCache]: Analyzing trace with hash -102480426, now seen corresponding path program 1 times [2025-03-04 10:30:15,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:15,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366580235] [2025-03-04 10:30:15,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:15,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 10:30:15,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 10:30:15,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:15,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366580235] [2025-03-04 10:30:15,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366580235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:30:15,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:30:15,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:30:15,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936213547] [2025-03-04 10:30:15,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:30:15,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:30:15,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:15,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:30:15,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,347 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2025-03-04 10:30:15,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:15,359 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2025-03-04 10:30:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:30:15,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2025-03-04 10:30:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:15,360 INFO L225 Difference]: With dead ends: 37 [2025-03-04 10:30:15,360 INFO L226 Difference]: Without dead ends: 36 [2025-03-04 10:30:15,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,361 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:15,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-04 10:30:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-04 10:30:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2025-03-04 10:30:15,364 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 8 [2025-03-04 10:30:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:15,364 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2025-03-04 10:30:15,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2025-03-04 10:30:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2025-03-04 10:30:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 10:30:15,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:15,365 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:30:15,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:30:15,365 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:15,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:15,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1118074063, now seen corresponding path program 1 times [2025-03-04 10:30:15,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:15,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884802194] [2025-03-04 10:30:15,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:15,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 10:30:15,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 10:30:15,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:15,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884802194] [2025-03-04 10:30:15,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884802194] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:30:15,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:30:15,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:30:15,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592078281] [2025-03-04 10:30:15,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:30:15,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:30:15,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:15,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:30:15,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,408 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:15,423 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2025-03-04 10:30:15,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:30:15,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-04 10:30:15,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:15,424 INFO L225 Difference]: With dead ends: 42 [2025-03-04 10:30:15,425 INFO L226 Difference]: Without dead ends: 41 [2025-03-04 10:30:15,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:30:15,426 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:15,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:15,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-04 10:30:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-04 10:30:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2025-03-04 10:30:15,433 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2025-03-04 10:30:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:15,433 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2025-03-04 10:30:15,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2025-03-04 10:30:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 10:30:15,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:15,434 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:30:15,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:30:15,434 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:15,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:15,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1073017410, now seen corresponding path program 1 times [2025-03-04 10:30:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:15,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111432961] [2025-03-04 10:30:15,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:15,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 10:30:15,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 10:30:15,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:15,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111432961] [2025-03-04 10:30:15,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111432961] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:15,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990271703] [2025-03-04 10:30:15,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:15,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:15,488 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) [2025-03-04 10:30:15,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:30:15,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 10:30:15,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 10:30:15,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:30:15,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990271703] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:15,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:15,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-04 10:30:15,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620314797] [2025-03-04 10:30:15,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:15,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:30:15,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:15,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:30:15,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:30:15,595 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2025-03-04 10:30:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:15,649 INFO L93 Difference]: Finished difference Result 99 states and 136 transitions. [2025-03-04 10:30:15,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:30:15,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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 12 [2025-03-04 10:30:15,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:15,651 INFO L225 Difference]: With dead ends: 99 [2025-03-04 10:30:15,651 INFO L226 Difference]: Without dead ends: 97 [2025-03-04 10:30:15,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:30:15,652 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:15,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 42 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-03-04 10:30:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 80. [2025-03-04 10:30:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 79 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 104 transitions. [2025-03-04 10:30:15,662 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 104 transitions. Word has length 12 [2025-03-04 10:30:15,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:15,663 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 104 transitions. [2025-03-04 10:30:15,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2025-03-04 10:30:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2025-03-04 10:30:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 10:30:15,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:15,663 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:30:15,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:30:15,863 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 [2025-03-04 10:30:15,864 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:15,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash -915529145, now seen corresponding path program 1 times [2025-03-04 10:30:15,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:15,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96621134] [2025-03-04 10:30:15,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:15,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:30:15,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:30:15,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:15,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96621134] [2025-03-04 10:30:15,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96621134] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:15,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639059012] [2025-03-04 10:30:15,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:15,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:15,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:15,917 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) [2025-03-04 10:30:15,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:30:15,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:30:15,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:30:15,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:15,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:15,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:30:15,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:15,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639059012] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:15,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:15,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-04 10:30:15,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147045708] [2025-03-04 10:30:15,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:15,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:30:15,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:15,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:30:15,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:30:15,999 INFO L87 Difference]: Start difference. First operand 80 states and 104 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 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) [2025-03-04 10:30:16,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:16,038 INFO L93 Difference]: Finished difference Result 136 states and 187 transitions. [2025-03-04 10:30:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:30:16,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-04 10:30:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:16,040 INFO L225 Difference]: With dead ends: 136 [2025-03-04 10:30:16,040 INFO L226 Difference]: Without dead ends: 134 [2025-03-04 10:30:16,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:30:16,043 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:16,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 23 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:16,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-03-04 10:30:16,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 101. [2025-03-04 10:30:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 97 states have (on average 1.3402061855670102) internal successors, (130), 100 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2025-03-04 10:30:16,050 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 13 [2025-03-04 10:30:16,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:16,050 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2025-03-04 10:30:16,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 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) [2025-03-04 10:30:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2025-03-04 10:30:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:30:16,050 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:16,050 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-04 10:30:16,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 10:30:16,251 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 [2025-03-04 10:30:16,251 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:16,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:16,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1179940918, now seen corresponding path program 1 times [2025-03-04 10:30:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:16,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640482353] [2025-03-04 10:30:16,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:16,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:30:16,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:30:16,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:16,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:16,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:16,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640482353] [2025-03-04 10:30:16,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640482353] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:16,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372247101] [2025-03-04 10:30:16,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:16,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:16,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:16,295 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) [2025-03-04 10:30:16,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:30:16,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:30:16,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:30:16,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:16,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:16,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:30:16,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:16,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:16,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372247101] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:16,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:16,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-04 10:30:16,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366214671] [2025-03-04 10:30:16,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:16,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:30:16,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:16,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:30:16,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:30:16,371 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:16,398 INFO L93 Difference]: Finished difference Result 216 states and 277 transitions. [2025-03-04 10:30:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:30:16,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 10:30:16,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:16,399 INFO L225 Difference]: With dead ends: 216 [2025-03-04 10:30:16,399 INFO L226 Difference]: Without dead ends: 215 [2025-03-04 10:30:16,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:30:16,400 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:16,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 49 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-03-04 10:30:16,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2025-03-04 10:30:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 209 states have (on average 1.229665071770335) internal successors, (257), 212 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 257 transitions. [2025-03-04 10:30:16,410 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 257 transitions. Word has length 15 [2025-03-04 10:30:16,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:16,410 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 257 transitions. [2025-03-04 10:30:16,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 257 transitions. [2025-03-04 10:30:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 10:30:16,411 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:16,411 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2025-03-04 10:30:16,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 10:30:16,612 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 [2025-03-04 10:30:16,612 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:16,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:16,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1656747912, now seen corresponding path program 1 times [2025-03-04 10:30:16,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:16,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10688745] [2025-03-04 10:30:16,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:16,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:30:16,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:30:16,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:16,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:16,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:16,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10688745] [2025-03-04 10:30:16,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10688745] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:16,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312971119] [2025-03-04 10:30:16,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:30:16,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:16,661 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) [2025-03-04 10:30:16,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:30:16,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:30:16,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:30:16,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:30:16,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:16,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:30:16,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:16,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:16,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312971119] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:16,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:16,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-04 10:30:16,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181742759] [2025-03-04 10:30:16,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:16,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:30:16,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:16,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:30:16,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:30:16,735 INFO L87 Difference]: Start difference. First operand 213 states and 257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:16,780 INFO L93 Difference]: Finished difference Result 412 states and 528 transitions. [2025-03-04 10:30:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:30:16,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-03-04 10:30:16,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:16,783 INFO L225 Difference]: With dead ends: 412 [2025-03-04 10:30:16,783 INFO L226 Difference]: Without dead ends: 411 [2025-03-04 10:30:16,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:30:16,784 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 40 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:16,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 49 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-03-04 10:30:16,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 342. [2025-03-04 10:30:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 338 states have (on average 1.2662721893491125) internal successors, (428), 341 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 428 transitions. [2025-03-04 10:30:16,812 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 428 transitions. Word has length 19 [2025-03-04 10:30:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:16,812 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 428 transitions. [2025-03-04 10:30:16,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 428 transitions. [2025-03-04 10:30:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-04 10:30:16,816 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:16,816 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2025-03-04 10:30:16,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 10:30:17,017 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 [2025-03-04 10:30:17,017 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:17,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:17,017 INFO L85 PathProgramCache]: Analyzing trace with hash -189462415, now seen corresponding path program 2 times [2025-03-04 10:30:17,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:17,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57002500] [2025-03-04 10:30:17,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:30:17,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:17,022 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-04 10:30:17,026 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 10:30:17,026 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:30:17,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:17,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:17,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57002500] [2025-03-04 10:30:17,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57002500] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:17,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103764449] [2025-03-04 10:30:17,089 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:30:17,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:17,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:17,091 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) [2025-03-04 10:30:17,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:30:17,107 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-04 10:30:17,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 10:30:17,114 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:30:17,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:17,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:30:17,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:17,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:17,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103764449] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:17,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:17,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-03-04 10:30:17,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786729346] [2025-03-04 10:30:17,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:17,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:30:17,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:17,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:30:17,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:30:17,252 INFO L87 Difference]: Start difference. First operand 342 states and 428 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:17,350 INFO L93 Difference]: Finished difference Result 885 states and 1209 transitions. [2025-03-04 10:30:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:30:17,351 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 30 [2025-03-04 10:30:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:17,355 INFO L225 Difference]: With dead ends: 885 [2025-03-04 10:30:17,355 INFO L226 Difference]: Without dead ends: 883 [2025-03-04 10:30:17,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:30:17,356 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 64 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:17,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 80 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:30:17,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2025-03-04 10:30:17,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 584. [2025-03-04 10:30:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 580 states have (on average 1.2810344827586206) internal successors, (743), 583 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 743 transitions. [2025-03-04 10:30:17,377 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 743 transitions. Word has length 30 [2025-03-04 10:30:17,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:17,377 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 743 transitions. [2025-03-04 10:30:17,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:17,377 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 743 transitions. [2025-03-04 10:30:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-04 10:30:17,378 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:17,378 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2025-03-04 10:30:17,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 10:30:17,579 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 [2025-03-04 10:30:17,579 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:17,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash -687796421, now seen corresponding path program 2 times [2025-03-04 10:30:17,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:17,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191577490] [2025-03-04 10:30:17,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:30:17,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:17,584 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-03-04 10:30:17,586 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 33 statements. [2025-03-04 10:30:17,586 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:30:17,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:30:17,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:17,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191577490] [2025-03-04 10:30:17,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191577490] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:17,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488435590] [2025-03-04 10:30:17,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:30:17,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:17,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:17,603 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) [2025-03-04 10:30:17,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:30:17,624 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-03-04 10:30:17,627 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 33 statements. [2025-03-04 10:30:17,627 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:30:17,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:17,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:30:17,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:30:17,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:30:17,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488435590] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:17,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:17,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2025-03-04 10:30:17,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775177894] [2025-03-04 10:30:17,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:17,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:30:17,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:17,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:30:17,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:30:17,699 INFO L87 Difference]: Start difference. First operand 584 states and 743 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:17,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:17,727 INFO L93 Difference]: Finished difference Result 584 states and 743 transitions. [2025-03-04 10:30:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:30:17,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2025-03-04 10:30:17,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:17,730 INFO L225 Difference]: With dead ends: 584 [2025-03-04 10:30:17,730 INFO L226 Difference]: Without dead ends: 583 [2025-03-04 10:30:17,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:30:17,731 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:17,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:30:17,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-03-04 10:30:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 457. [2025-03-04 10:30:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 454 states have (on average 1.1894273127753303) internal successors, (540), 456 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 540 transitions. [2025-03-04 10:30:17,746 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 540 transitions. Word has length 33 [2025-03-04 10:30:17,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:17,746 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 540 transitions. [2025-03-04 10:30:17,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 540 transitions. [2025-03-04 10:30:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-04 10:30:17,747 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:17,747 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1, 1] [2025-03-04 10:30:17,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 10:30:17,948 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 [2025-03-04 10:30:17,948 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:17,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:17,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1883022896, now seen corresponding path program 2 times [2025-03-04 10:30:17,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:17,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960621947] [2025-03-04 10:30:17,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:30:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:17,952 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-03-04 10:30:17,956 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 10:30:17,956 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:30:17,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:18,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:18,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960621947] [2025-03-04 10:30:18,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960621947] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:18,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403521803] [2025-03-04 10:30:18,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:30:18,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:18,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:18,056 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) [2025-03-04 10:30:18,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 10:30:18,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-03-04 10:30:18,088 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 10:30:18,088 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:30:18,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:18,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:30:18,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:18,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:18,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403521803] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:18,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:18,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-03-04 10:30:18,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366709038] [2025-03-04 10:30:18,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:18,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:30:18,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:18,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:30:18,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:30:18,246 INFO L87 Difference]: Start difference. First operand 457 states and 540 transitions. Second operand has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:18,345 INFO L93 Difference]: Finished difference Result 1649 states and 2020 transitions. [2025-03-04 10:30:18,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 10:30:18,345 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2025-03-04 10:30:18,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:18,350 INFO L225 Difference]: With dead ends: 1649 [2025-03-04 10:30:18,350 INFO L226 Difference]: Without dead ends: 1648 [2025-03-04 10:30:18,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:30:18,351 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 58 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:18,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 84 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:30:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2025-03-04 10:30:18,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 903. [2025-03-04 10:30:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 900 states have (on average 1.18) internal successors, (1062), 902 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1062 transitions. [2025-03-04 10:30:18,382 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1062 transitions. Word has length 43 [2025-03-04 10:30:18,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:18,382 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1062 transitions. [2025-03-04 10:30:18,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1062 transitions. [2025-03-04 10:30:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-04 10:30:18,383 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:18,383 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2025-03-04 10:30:18,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 10:30:18,584 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 [2025-03-04 10:30:18,584 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:18,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:18,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1126138993, now seen corresponding path program 3 times [2025-03-04 10:30:18,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:18,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068285592] [2025-03-04 10:30:18,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:30:18,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:18,593 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 11 equivalence classes. [2025-03-04 10:30:18,606 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:30:18,606 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-04 10:30:18,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:18,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:18,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068285592] [2025-03-04 10:30:18,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068285592] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:18,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889461289] [2025-03-04 10:30:18,777 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:30:18,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:18,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:18,779 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) [2025-03-04 10:30:18,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 10:30:18,799 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 11 equivalence classes. [2025-03-04 10:30:18,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:30:18,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-04 10:30:18,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:18,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:30:18,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:18,890 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:18,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:19,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889461289] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:19,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:19,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-03-04 10:30:19,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773482265] [2025-03-04 10:30:19,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:19,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-04 10:30:19,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:19,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-04 10:30:19,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-03-04 10:30:19,110 INFO L87 Difference]: Start difference. First operand 903 states and 1062 transitions. Second operand has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:19,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:19,296 INFO L93 Difference]: Finished difference Result 4199 states and 5264 transitions. [2025-03-04 10:30:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 10:30:19,296 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 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 66 [2025-03-04 10:30:19,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:19,308 INFO L225 Difference]: With dead ends: 4199 [2025-03-04 10:30:19,308 INFO L226 Difference]: Without dead ends: 4197 [2025-03-04 10:30:19,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-03-04 10:30:19,311 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 138 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:19,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 125 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:30:19,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2025-03-04 10:30:19,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 1945. [2025-03-04 10:30:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1942 states have (on average 1.1596292481977344) internal successors, (2252), 1944 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2252 transitions. [2025-03-04 10:30:19,395 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2252 transitions. Word has length 66 [2025-03-04 10:30:19,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:19,395 INFO L471 AbstractCegarLoop]: Abstraction has 1945 states and 2252 transitions. [2025-03-04 10:30:19,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2252 transitions. [2025-03-04 10:30:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-04 10:30:19,397 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:19,397 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1, 1] [2025-03-04 10:30:19,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 10:30:19,597 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 [2025-03-04 10:30:19,598 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:19,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:19,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1010277248, now seen corresponding path program 3 times [2025-03-04 10:30:19,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:19,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316024250] [2025-03-04 10:30:19,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:30:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:19,603 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 15 equivalence classes. [2025-03-04 10:30:19,619 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 10:30:19,619 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-04 10:30:19,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:19,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:19,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316024250] [2025-03-04 10:30:19,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316024250] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635757571] [2025-03-04 10:30:19,891 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:30:19,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:19,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:19,894 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) [2025-03-04 10:30:19,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 10:30:19,923 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 15 equivalence classes. [2025-03-04 10:30:19,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 10:30:19,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-04 10:30:19,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:19,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:30:19,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:20,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:20,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635757571] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:20,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:20,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2025-03-04 10:30:20,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779626965] [2025-03-04 10:30:20,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:20,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-03-04 10:30:20,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:20,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-03-04 10:30:20,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:30:20,414 INFO L87 Difference]: Start difference. First operand 1945 states and 2252 transitions. Second operand has 32 states, 31 states have (on average 5.806451612903226) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:20,732 INFO L93 Difference]: Finished difference Result 9843 states and 11726 transitions. [2025-03-04 10:30:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-04 10:30:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.806451612903226) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 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 91 [2025-03-04 10:30:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:20,758 INFO L225 Difference]: With dead ends: 9843 [2025-03-04 10:30:20,758 INFO L226 Difference]: Without dead ends: 9842 [2025-03-04 10:30:20,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:30:20,765 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 160 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:20,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 163 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:30:20,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9842 states. [2025-03-04 10:30:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9842 to 3731. [2025-03-04 10:30:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3731 states, 3728 states have (on average 1.1539699570815452) internal successors, (4302), 3730 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3731 states and 4302 transitions. [2025-03-04 10:30:20,960 INFO L78 Accepts]: Start accepts. Automaton has 3731 states and 4302 transitions. Word has length 91 [2025-03-04 10:30:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:20,960 INFO L471 AbstractCegarLoop]: Abstraction has 3731 states and 4302 transitions. [2025-03-04 10:30:20,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.806451612903226) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3731 states and 4302 transitions. [2025-03-04 10:30:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-04 10:30:20,966 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:20,966 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2025-03-04 10:30:20,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 10:30:21,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-04 10:30:21,167 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:21,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash -24199989, now seen corresponding path program 4 times [2025-03-04 10:30:21,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:21,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411099916] [2025-03-04 10:30:21,167 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 10:30:21,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:21,172 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-03-04 10:30:21,186 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-03-04 10:30:21,186 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 10:30:21,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:21,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:21,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411099916] [2025-03-04 10:30:21,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411099916] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:21,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212339696] [2025-03-04 10:30:21,654 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 10:30:21,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:21,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:21,656 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:30:21,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 10:30:21,677 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-03-04 10:30:21,701 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-03-04 10:30:21,701 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 10:30:21,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:21,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-04 10:30:21,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:21,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:22,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212339696] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:22,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:22,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-03-04 10:30:22,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318092401] [2025-03-04 10:30:22,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:22,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-03-04 10:30:22,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:22,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-03-04 10:30:22,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-03-04 10:30:22,591 INFO L87 Difference]: Start difference. First operand 3731 states and 4302 transitions. Second operand has 48 states, 47 states have (on average 5.829787234042553) internal successors, (274), 48 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:23,268 INFO L93 Difference]: Finished difference Result 26439 states and 31924 transitions. [2025-03-04 10:30:23,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-03-04 10:30:23,268 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.829787234042553) internal successors, (274), 48 states have internal predecessors, (274), 0 states have call successors, (0), 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 138 [2025-03-04 10:30:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:23,317 INFO L225 Difference]: With dead ends: 26439 [2025-03-04 10:30:23,317 INFO L226 Difference]: Without dead ends: 26437 [2025-03-04 10:30:23,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-03-04 10:30:23,329 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 332 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:23,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 244 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:30:23,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26437 states. [2025-03-04 10:30:23,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26437 to 7993. [2025-03-04 10:30:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7993 states, 7990 states have (on average 1.1429286608260325) internal successors, (9132), 7992 states have internal predecessors, (9132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7993 states to 7993 states and 9132 transitions. [2025-03-04 10:30:23,706 INFO L78 Accepts]: Start accepts. Automaton has 7993 states and 9132 transitions. Word has length 138 [2025-03-04 10:30:23,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:23,706 INFO L471 AbstractCegarLoop]: Abstraction has 7993 states and 9132 transitions. [2025-03-04 10:30:23,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.829787234042553) internal successors, (274), 48 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 7993 states and 9132 transitions. [2025-03-04 10:30:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-04 10:30:23,712 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:23,712 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1, 1, 1] [2025-03-04 10:30:23,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 10:30:23,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-04 10:30:23,916 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:23,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:23,917 INFO L85 PathProgramCache]: Analyzing trace with hash 913054176, now seen corresponding path program 4 times [2025-03-04 10:30:23,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:23,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70280212] [2025-03-04 10:30:23,917 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 10:30:23,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:23,922 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 187 statements into 2 equivalence classes. [2025-03-04 10:30:23,938 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-03-04 10:30:23,942 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 10:30:23,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:24,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:24,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70280212] [2025-03-04 10:30:24,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70280212] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:24,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830903533] [2025-03-04 10:30:24,592 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 10:30:24,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:24,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:24,594 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:30:24,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 10:30:24,616 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 187 statements into 2 equivalence classes. [2025-03-04 10:30:24,645 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-03-04 10:30:24,645 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 10:30:24,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:24,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-04 10:30:24,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:24,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:25,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830903533] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:25,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:25,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2025-03-04 10:30:25,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021028301] [2025-03-04 10:30:25,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:25,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-03-04 10:30:25,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:25,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-03-04 10:30:25,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-03-04 10:30:25,798 INFO L87 Difference]: Start difference. First operand 7993 states and 9132 transitions. Second operand has 64 states, 63 states have (on average 5.904761904761905) internal successors, (372), 64 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:27,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:27,100 INFO L93 Difference]: Finished difference Result 65015 states and 75718 transitions. [2025-03-04 10:30:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-04 10:30:27,100 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.904761904761905) internal successors, (372), 64 states have internal predecessors, (372), 0 states have call successors, (0), 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 187 [2025-03-04 10:30:27,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:27,193 INFO L225 Difference]: With dead ends: 65015 [2025-03-04 10:30:27,193 INFO L226 Difference]: Without dead ends: 65014 [2025-03-04 10:30:27,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-03-04 10:30:27,216 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 404 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:27,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 326 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:30:27,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65014 states. [2025-03-04 10:30:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65014 to 15147. [2025-03-04 10:30:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15147 states, 15144 states have (on average 1.1398573692551506) internal successors, (17262), 15146 states have internal predecessors, (17262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15147 states to 15147 states and 17262 transitions. [2025-03-04 10:30:28,169 INFO L78 Accepts]: Start accepts. Automaton has 15147 states and 17262 transitions. Word has length 187 [2025-03-04 10:30:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:28,170 INFO L471 AbstractCegarLoop]: Abstraction has 15147 states and 17262 transitions. [2025-03-04 10:30:28,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.904761904761905) internal successors, (372), 64 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15147 states and 17262 transitions. [2025-03-04 10:30:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2025-03-04 10:30:28,180 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:28,181 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2025-03-04 10:30:28,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 10:30:28,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-04 10:30:28,381 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:28,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:28,382 INFO L85 PathProgramCache]: Analyzing trace with hash 817539907, now seen corresponding path program 5 times [2025-03-04 10:30:28,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:28,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660218976] [2025-03-04 10:30:28,382 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 10:30:28,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:28,393 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 282 statements into 47 equivalence classes. [2025-03-04 10:30:28,487 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 282 of 282 statements. [2025-03-04 10:30:28,488 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-03-04 10:30:28,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6348 backedges. 0 proven. 6348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:30,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660218976] [2025-03-04 10:30:30,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660218976] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828024143] [2025-03-04 10:30:30,150 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 10:30:30,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:30,152 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:30:30,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 10:30:30,178 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 282 statements into 47 equivalence classes. [2025-03-04 10:30:30,251 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 282 of 282 statements. [2025-03-04 10:30:30,251 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-03-04 10:30:30,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:30,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-03-04 10:30:30,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6348 backedges. 0 proven. 6348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:30,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6348 backedges. 0 proven. 6348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:32,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828024143] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:32,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:32,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-03-04 10:30:32,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272239124] [2025-03-04 10:30:32,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:32,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-04 10:30:32,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:32,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-04 10:30:32,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-03-04 10:30:32,510 INFO L87 Difference]: Start difference. First operand 15147 states and 17262 transitions. Second operand has 96 states, 95 states have (on average 5.91578947368421) internal successors, (562), 96 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:36,405 INFO L93 Difference]: Finished difference Result 182335 states and 213860 transitions. [2025-03-04 10:30:36,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-03-04 10:30:36,405 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.91578947368421) internal successors, (562), 96 states have internal predecessors, (562), 0 states have call successors, (0), 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 282 [2025-03-04 10:30:36,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:36,609 INFO L225 Difference]: With dead ends: 182335 [2025-03-04 10:30:36,609 INFO L226 Difference]: Without dead ends: 182333 [2025-03-04 10:30:36,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-03-04 10:30:36,647 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 790 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:36,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 487 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:30:36,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182333 states. [2025-03-04 10:30:39,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182333 to 32377. [2025-03-04 10:30:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32377 states, 32374 states have (on average 1.1341199728176932) internal successors, (36716), 32376 states have internal predecessors, (36716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32377 states to 32377 states and 36716 transitions. [2025-03-04 10:30:39,287 INFO L78 Accepts]: Start accepts. Automaton has 32377 states and 36716 transitions. Word has length 282 [2025-03-04 10:30:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:30:39,288 INFO L471 AbstractCegarLoop]: Abstraction has 32377 states and 36716 transitions. [2025-03-04 10:30:39,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.91578947368421) internal successors, (562), 96 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 32377 states and 36716 transitions. [2025-03-04 10:30:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2025-03-04 10:30:39,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:30:39,303 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 1, 1, 1, 1] [2025-03-04 10:30:39,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 10:30:39,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-04 10:30:39,504 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:30:39,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:30:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2065302688, now seen corresponding path program 5 times [2025-03-04 10:30:39,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:30:39,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251564489] [2025-03-04 10:30:39,504 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 10:30:39,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:30:39,517 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 379 statements into 63 equivalence classes. [2025-03-04 10:30:39,604 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 379 of 379 statements. [2025-03-04 10:30:39,605 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-03-04 10:30:39,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:41,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:30:41,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251564489] [2025-03-04 10:30:41,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251564489] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:30:41,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235079534] [2025-03-04 10:30:41,725 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 10:30:41,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:30:41,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:30:41,727 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:30:41,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 10:30:41,760 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 379 statements into 63 equivalence classes. [2025-03-04 10:30:41,870 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 379 of 379 statements. [2025-03-04 10:30:41,870 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-03-04 10:30:41,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:30:41,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-03-04 10:30:41,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:30:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:42,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:30:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:30:45,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235079534] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:30:45,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:30:45,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2025-03-04 10:30:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534797500] [2025-03-04 10:30:45,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:30:45,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2025-03-04 10:30:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:30:45,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2025-03-04 10:30:45,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2025-03-04 10:30:45,665 INFO L87 Difference]: Start difference. First operand 32377 states and 36716 transitions. Second operand has 128 states, 127 states have (on average 5.952755905511811) internal successors, (756), 128 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:30:58,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:30:58,243 INFO L93 Difference]: Finished difference Result 464895 states and 533222 transitions. [2025-03-04 10:30:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-03-04 10:30:58,243 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 5.952755905511811) internal successors, (756), 128 states have internal predecessors, (756), 0 states have call successors, (0), 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 379 [2025-03-04 10:30:58,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:30:58,773 INFO L225 Difference]: With dead ends: 464895 [2025-03-04 10:30:58,773 INFO L226 Difference]: Without dead ends: 464894 [2025-03-04 10:30:58,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2025-03-04 10:30:58,816 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 1150 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 581 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:30:58,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 643 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [581 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:30:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464894 states. [2025-03-04 10:31:07,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464894 to 61019. [2025-03-04 10:31:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61019 states, 61016 states have (on average 1.132522617018487) internal successors, (69102), 61018 states have internal predecessors, (69102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:31:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61019 states to 61019 states and 69102 transitions. [2025-03-04 10:31:07,813 INFO L78 Accepts]: Start accepts. Automaton has 61019 states and 69102 transitions. Word has length 379 [2025-03-04 10:31:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:31:07,814 INFO L471 AbstractCegarLoop]: Abstraction has 61019 states and 69102 transitions. [2025-03-04 10:31:07,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 5.952755905511811) internal successors, (756), 128 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:31:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 61019 states and 69102 transitions. [2025-03-04 10:31:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2025-03-04 10:31:07,841 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:31:07,841 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 1, 1, 1, 1] [2025-03-04 10:31:07,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-04 10:31:08,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-04 10:31:08,045 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 10:31:08,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:31:08,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1574975539, now seen corresponding path program 6 times [2025-03-04 10:31:08,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:31:08,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493354294] [2025-03-04 10:31:08,046 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-04 10:31:08,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:31:08,060 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 570 statements into 95 equivalence classes. [2025-03-04 10:31:08,200 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 570 of 570 statements. [2025-03-04 10:31:08,200 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-03-04 10:31:08,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:31:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 26508 backedges. 0 proven. 26508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:31:12,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:31:12,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493354294] [2025-03-04 10:31:12,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493354294] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:31:12,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275563038] [2025-03-04 10:31:12,630 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-04 10:31:12,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:31:12,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:31:12,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:31:12,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 10:31:12,672 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 570 statements into 95 equivalence classes. [2025-03-04 10:31:12,820 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 570 of 570 statements. [2025-03-04 10:31:12,821 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-03-04 10:31:12,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:31:12,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-03-04 10:31:12,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:31:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26508 backedges. 0 proven. 26508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:31:13,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:31:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26508 backedges. 0 proven. 26508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:31:20,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275563038] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:31:20,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:31:20,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2025-03-04 10:31:20,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478253634] [2025-03-04 10:31:20,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:31:20,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-03-04 10:31:20,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:31:20,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-03-04 10:31:20,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-03-04 10:31:20,791 INFO L87 Difference]: Start difference. First operand 61019 states and 69102 transitions. Second operand has 192 states, 191 states have (on average 5.958115183246074) internal successors, (1138), 192 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)